Profil

Beckers Jean-François

Département des sciences fonctionnelles (DSF)

See author's contact details
ORCID
0000-0003-3419-9698
Main Referenced Co-authors
Melo de Sousa, Noelita  (255)
Sulon, Joseph  (90)
Ectors, Francis  (64)
Ectors, Fabien  (60)
El Amiri, B. (49)
Main Referenced Keywords
PAG (113); Pregnancy-associated glycoprotein (106); N-terminal microsequence (52); Cattle (48); Pregnancy (37);
Main Referenced Unit & Research Centers
Laboratoire d'Endocrinologie et de Physiologie de la Reproduction animale (21)
FARAH - Fundamental and Applied Research for Animals and Health - ULiège [BE] (7)
Laboratoire d'Endocrinologie et de Reproduction Animale (3)
Centre Secondaire d'Elevage Caprin de Maradi (2)
CERAD2 (1)
Main Referenced Disciplines
Veterinary medicine & animal health (677)
Biochemistry, biophysics & molecular biology (57)
Animal production & animal husbandry (9)
Anatomy (cytology, histology, embryology...) & physiology (6)
Endocrinology, metabolism & nutrition (5)

Publications (total 755)

The most downloaded
2553 downloads
Peeters, M., Closson, C., Beckers, J.-F., & Vandenheede, M. (2013). Rider and horse salivary cortisol levels during competition and impact on performance. Journal of Equine Veterinary Science, 33 (3), 155-160. doi:10.1016/j.jevs.2012.05.073 https://hdl.handle.net/2268/156579

The most cited

271 citations (Scopus®)

Zoli, A. P., Guilbault, L. A., Delahaut, P., Ortiz, W. B., & Beckers, J.-F. (January 1992). Radioimmunoassay of a Bovine Pregnancy-Associated Glycoprotein in Serum: Its Application for Pregnancy Diagnosis. Biology of Reproduction, 46 (1), 83-92. doi:10.1095/biolreprod46.1.83 https://hdl.handle.net/2268/5798

THONON, F., Ectors, F., Delval, A., Fontes, R. S., Touati, K., & Beckers, J.-F. (2023). In vitro maturation, fertilization and development rates of bovine oocytes connected with the reproductive status of the donor. Theriogenology, 39 (1), 330.
Editorial reviewed

Thilmant, P., Maes, D., Beckers, J.-F., Moyse, E., Farnir, F., Detilleux, J., & Laitat, M. (12 September 2022). Ultrasound measurements of uterine height, horns diameter and presence of intraluminal fluid to investigate uterine involution in lactating sows housed in farrowing crates. Animal Reproduction, 19 (3). doi:10.1590/1984-3143-ar2021-0066
Peer reviewed

Abdou, H., Marichatou, H., Beckers, J.-F., Dufrasne, I., & Hornick, J.-L. (04 August 2022). Effect of Azawak Cattle Colostrum Supplementation on Performance and Survival of Red Goats During the First Year of Life. Journal of Quality Assurance in Agricultural Sciences, 2 (1), 53-62. doi:10.38211/jqaas.2022.2.1.8
Peer reviewed

Wooding, F. B. P., Forhead, A. J., Wilsher, S., Allen, W. R., Roberts, R. M., Green, J. A., Beckers, J.-F., Sousa, N. M., & Charpigny, G. (26 April 2022). Asymmetric expression of proteins in the granules of the placentomal Binucleate cells in Giraffa camelopardalis†. Biology of Reproduction, 106 (4), 814 - 822. doi:10.1093/biolre/ioab247
Peer Reviewed verified by ORBi

El Kadili, S., Chentouf, M., Raes, M., Bister, J.-L., Beckers, J.-F., Amzati, G., Madani, I., Archa, B., & Kirschvink, N. (2022). Response to the sexually active buck effect in Beni Arouss goats primed with progestagens during the anoestrus and breeding seasons. Italian Journal of Animal Science, 21 (1), 1094 - 1103. doi:10.1080/1828051X.2022.2093657
Peer Reviewed verified by ORBi

Barile, V. L., Menchetti, L., Casano, A. B., Brecchia, G., Melo de Sousa, N., Zelli, R., Canali, C., Beckers, J.-F., & Barbato, O. (12 February 2021). Approaches to Identify Pregnancy Failure in Buffalo Cows. Animals, 11 (2), 1 - 17. doi:10.3390/ani11020487
Peer reviewed

De Clercq, K., Vandaele, L., Vanbinst, T., Riou, M., Deblauwe, I., Wesselingh, W., Pinard, A., Van Eetvelde, M., Boulesteix, O., Leemans, B., Gélineau, R., Vercauteren, G., Van der Heyden, S., Beckers, J.-F., Saegerman, C., Sammin, D., de Kruif, A., & De Leeuw, I. (2021). Transmission of Bluetongue Virus Serotype 8 by Artificial Insemination with Frozen-Thawed Semen from Naturally Infected Bulls. Viruses, 13, 652. doi:10.3390/v13040652
Peer Reviewed verified by ORBi

Lozano, H., Raes, M., Vargas, J. J., Ballieu, A., Grajales, H., Manrique, C., Beckers, J.-F., & Kirschvink, N. (November 2020). Onset of puberty and regularity of oestral cycles in ewe lambs of four breeds under high-altitude conditions in a non-seasonal country. Tropical Animal Health and Production, 52 (6), 3395 - 3402. doi:10.1007/s11250-020-02372-w
Peer Reviewed verified by ORBi

Szenci, O., Touati, K., De Sousa, N. M., Hornick, J.-L., Van der Weyden, G. C., Taverne, M. A. M., & Beckers, J.-F. (28 August 2020). Development of a surgical technique for long-term catheterisation of bovine fetuses. Acta Veterinaria Hungarica, 68 (2), 212 - 220. doi:10.1556/004.2020.00033
Peer Reviewed verified by ORBi

Hanh, N. V., Nghia, S. H., De Sousa, N. M., Barbato, O., & Beckers, J.-F. (10 January 2020). Validation of Buffalo PAG Antisera for Early Pregnancy Diagnosis in Bovine. Indian Journal of Animal Research, 1135, 1-5. doi:10.18805/ijar.b-1135
Peer Reviewed verified by ORBi

Singh, S. P., Ramachandran, N., Sharma, N., Goel, A. K., de Sousa, N. M., Beckers, J.-F., Swain, D. K., Singh, M. K., & Kharche, S. D. (November 2019). Relationship of foetal number and parity in Barbari goats to plasma profile of caprine pregnancy-associated glycoprotein (caPAG) during gestation and the early postpartum period. Animal Reproduction Science, 210, 106190. doi:10.1016/j.anireprosci.2019.106190
Peer Reviewed verified by ORBi

El Kadili, S., Raes, M., Bister, J.-L., Beckers, J.-F., Amzati, G., Archa, B., Chentouf, M., & Kirschvink, N. (July 2019). Evaluation of different hormonal treatments on oestral and ovarian responses in Moroccan Beni Arouss goats during anoestrus and breeding season. Reproduction in Domestic Animals, 54 (7), 1003 - 1009. doi:10.1111/rda.13454
Peer Reviewed verified by ORBi

Barbato, O., Guelfi, G., Menchetti, L., Brecchia, G., de Sousa, N. M., Canali, C., Grandoni, F., Scatà, M. C., De Matteis, G., Casano, A. B., Beckers, J.-F., & Barile, V. L. (14 January 2019). Investigation of PAG2 mRNA Expression in Water Buffalo Peripheral Blood Mononuclear Cells and Polymorphonuclear Leukocytes from Maternal Blood at the Peri-Implantation Period. Veterinary Sciences, 6 (1), 8. doi:10.3390/vetsci6010008
Peer Reviewed verified by ORBi

Répási, A., Szelényi, Z., Melo de Sousa, N., Beckers, J.-F., Nagy, K., & Szenci, O. (2019). Effect of ovulation rate and timing of ovulation after different hormone treatments on pregnancy rate in dairy cows. Polish Journal of Veterinary Sciences, 22 (2), 355-362. doi:10.24425/pjvs.2019.129228
Peer Reviewed verified by ORBi

Cantón, G. J., Schock, A., Melo de Sousa, N., Beckers, J.-F., & Chianini, F. (2019). Characterization of CD79αcy + cells in placentas from ruminants. Veterinary Immunology and Immunopathology, 217. doi:10.1016/j.vetimm.2019.109942
Peer Reviewed verified by ORBi

Barbato, O., Menchetti, L., Melo de Sousa, N., Brecchia, G., Malfatti, A., Canali, C., Beckers, J.-F., & Barile, V. L. (2018). Correlation of two radioimmunoassay systems for measuring plasma pregnancy-associated glycoproteins concentrations during early pregnancy and postpartum periods in water buffalo. Reproduction in Domestic Animals, 53 (6), 1483-1490. doi:10.1111/rda.13294
Peer Reviewed verified by ORBi

Barbato, O., Menchetti, L., Sousa, N. M., Malfatti, A., Brecchia, G., Canali, C., Beckers, J.-F., & Barile, V. L. (15 July 2017). Pregnancy-associated glycoproteins (PAGs) concentrations in water buffaloes (Bubalus bubalis) during gestation and the postpartum period. Theriogenology, 97, 73 - 77. doi:10.1016/j.theriogenology.2017.04.021
Peer Reviewed verified by ORBi

Barbato, O., Guelfi, G., Barile, V. L., Menchetti, L., Tortiello, C., Canali, C., Brecchia, G., Traina, G., Beckers, J.-F., & Melo de Sousa, N. (2017). Using real-time PCR to identify pregnancy-associated glycoprotein 2 (PAG-2) in water buffalo (Bubalus bubalis) blood in early pregnancy. Theriogenology, 89, 106-113. doi:10.1016/j.theriogenology.2016.09.038
Peer Reviewed verified by ORBi

Souza-Fabjan, J. M. G., Locatelli, Y., Duffard, N., Corbin, E., Batista, R. I. T. P., de Figueirêdo Freitas, V. J., Beckers, J.-F., & Mermillod, P. (November 2016). Intrinsic quality of goat oocytes already found denuded at collection for in vitro embryo production. Theriogenology, 86 (8), 1989 - 1998. doi:10.1016/j.theriogenology.2016.06.021
Peer Reviewed verified by ORBi

Serrano-Pérez, B., Hansen, P. J., Mur-Novales, R., García-Ispierto, I., de Sousa, N. M., Beckers, J.-F., Almería, S., & López-Gatius, F. (August 2016). Crosstalk between uterine serpin (SERPINA14) and pregnancy-associated glycoproteins at the fetal-maternal interface in pregnant dairy heifers experimentally infected with Neospora caninum. Theriogenology, 86 (3), 824 - 830. doi:10.1016/j.theriogenology.2016.03.003
Peer Reviewed verified by ORBi

Mur-Novales, R., López-Gatius, F., Serrano-Pérez, B., García-Ispierto, I., Darwich, L., Cabezón, O., de Sousa, N. M., Beckers, J.-F., & Almería, S. (April 2016). Experimental Neospora Caninum Infection in Pregnant Dairy Heifers Raises Concentrations of Pregnancy-Associated Glycoproteins 1 and 2 in Foetal Fluids. Reproduction in Domestic Animals, 51 (2), 282 - 286. doi:10.1111/rda.12678
Peer Reviewed verified by ORBi

Nana, F. C. N., Tume, C., Daouda, D. M. B. S., Zoli, A., & Beckers, J.-F. (2016). Diagnostic précoce de la gestation chez la chèvre naine de Guinée. Livestock Research for Rural Development, 27 (5), 1-7.
Peer Reviewed verified by ORBi

Mur-Novales, R., Serrano-Perez, B., Garcia-Ispierto, I., Melo de Sousa, N., Beckers, J.-F., Almeria, S., & Lopez-Gatius, F. (2016). Experimental Neospora caninum infection modifies trophoblast cell populations and plasma pregnancy-associated glycoprotein 1 and 2 dynamics in pregnant dairy heifers. Veterinary Parasitology, 216, 7-12. doi:10.1016/j.vetpar.2015.12.001
Peer Reviewed verified by ORBi

Nana, F. C. N., Tume, C., Daouda, D. M. B. S., Zoli, A. P., & Beckers, J.-F. (2016). Enzyme link immuno assay for early detection of pregnancy associated glycoprotein’s in African dwarf goat. International Journal of Innovation and Applied Studies, 12 (2), 505-511.
Peer reviewed

Petrajtis-Gołobów, M., Beckers, J.-F., Domino, M., Pawlinski, B., Faundez, R., Melo de Sousa, N., & Gajewski, Z. (2016). Urine pregnancy-associated glycoproteins (PAG) in embryonic loss diagnosis in dairy cattle. In Reproduction in Domestic Animals. Wiley Online Library.
Editorial reviewed

Petrajtis-Gołobów, M., Domino, M., Pawliński B., Faundez R., Melo de Sousa, N., Beckers, J.-F., & Gajewski Z. (2016). Diagnostic value of pregnancy-associated glycoproteins (PAG) measurement in blood and urine in late embryonic mortality diagnosis in dairy cattle. Reproduction in Domestic Animals, 51 (Suppl 2), 131.
Editorial reviewed

Melo de Sousa, N., Tchimbou Njanjo, A. F., & Beckers, J.-F. (2015). Development of a new immunoradiometric assay for Pregnancy-Associated Glycoproteins (IRMA-PAG) allowing pregnancy follow-up in cattle by using milk samples. Biotechnologie, Agronomie, Société et Environnement, 19 (2), 120.
Editorial reviewed

Petrajtis-Gołobów, M., Gajewski, Z., Pawliński, B., Wehrend, A., Melo de Sousa, N., & Beckers, J.-F. (2015). Pregnancy-associated glycoprotein concentration in cow’s urine as a new method for pregnancy diagnosis. Reproduction in Domestic Animals, 50 (1), 42-43.
Peer Reviewed verified by ORBi

Karen, A., Melo de Sousa, N., Beckers, J.-F., Bajcsy, A. C., Tibold, J., Madl, I., & Szenci, O. (2015). Comparison of a commercial bovine pregnancy-associated glycoprotein ELISA test and a pregnancy-associated glycoprotein radiomimmunoassay test for early pregnancy diagnosis in dairy cattle. Animal Reproduction Science, 159, 31-37. doi:10.1016/j.anireprosci.2015.05.005
Peer Reviewed verified by ORBi

Szelenyi, Z., Répási, A., Melo de Sousa, N., Beckers, J.-F., & Szenci, O. (2015). Accuracy of diagnosing double corpora lutea and twin pregnancy by measuring serum progesterone and bovine pregnancy-associated glycoprotein 1 in the first trimester of gestation in dairy cows. Theriogenology, 84 (1), 76-81. doi:10.1016/j.theriogenology.2015.02.014
Peer Reviewed verified by ORBi

Engelke, J., Knaack, H., Linden, M., Feldmann, M., Gundling, N., Gundelach, Y., Egli, C., Greiner, M., Beckers, J.-F., Melo de Sousa, N., Meyerholz, M. M., Hoedemaker, M., & Piechotta, M. (2015). Identification of embryonic/fetal mortality in cows by semiquantitative detection of pregnancy-associated glycoproteins. Livestock Science, 178, 363-370. doi:10.1016/j.livsci.2015.05.030
Peer Reviewed verified by ORBi

Melo de Sousa, N., Tchimbou Njanjo, A. F., & Beckers, J.-F. (2015). Validation of a new immunoradiometric assay (IRMA) allowing quantification of Pregnancy-Associated Glycoproteins concentrations in bovine milk. Biotechnologie, Agronomie, Société et Environnement, 19 (2), 120.
Editorial reviewed

El Amiri, B., Melo de Sousa, N., Alvarez-Oxiley, A., Hadarbach, D., & Beckers, J.-F. (2015). Pregnancy-associated glycoprotein (PAG) concentration in plasma and milk samples for early pregnancy diagnosis in Lacaune dairy sheep. Research in Veterinary Science, 99, 30-36. doi:10.1016/j.rvsc.2014.12.016
Peer Reviewed verified by ORBi

Beckers, J.-F. (2015). Immunoradiometric assay (IRMA) of Pregnancy-Associated Glycoproteins (PAG) in bovine milk: determination of profiles in ongoing and failed pregnancies. In Board AETE, Proceedings of Association of Embryo Technology in Europe (AETE). AETE board.
Editorial reviewed

El Amiri, B., El Abbadi, N., Melo de Sousa, N., & Beckers, J.-F. (2015). Detection of Pregnancy.Associated Glycoproteins (PAGs) in prolific and non prolific ewes from early to late gestation and postpartum. In AETE Board, Proceedings of AETE. AETE board.
Editorial reviewed

Garcia-Ispierto, I., Serrano-Perez, B., Almeria, S., Martinez-Bello, D., Tchimbou, A. F., Melo de Sousa, N., Beckers, J.-F., & Lopez-Gatius, F. (2015). Effects of crossbreeding on endocrine patterns determined in pregnant beef/dairy cows naturally infected with Neospora caninum. Theriogenology, 83 (4), 491-496. doi:10.1016/j.theriogenology.2014.10.013
Peer Reviewed verified by ORBi

Piccart, K., Piepers, S., Verbeke, J., Melo de Sousa, N., Beckers, J.-F., & De Vliegher, S. (2015). Milk prolactin response and quarter milk yield after experimental infection with coagulase-negative staphylococci in dairy heifers. Journal of Dairy Science, 98 (7), 4593-4600. doi:10.3168/jds.2015-9349
Peer Reviewed verified by ORBi

Gajewski, Z., Petrajtis-Gołobów, M., Melo de Sousa, N., Beckers, J.-F., Pawliński, B., & Wehrend, A. (December 2014). Comparison of accuracy of pregnancy-associated glycoprotein (PAG) concentration in blood and milk for early pregnancy diagnosis in cows. Schweizer Archiv für Tierheilkunde, 156 (12), 585 - 590. doi:10.1024/0036-7281/a000654
Peer Reviewed verified by ORBi

Abdou, H., Marichatou, H., Beckers, J.-F., Dufrasne, I., & Hornick, J.-L. (17 October 2014). Effect of bovine colostrum on growth and survival in Red kids during the first year of life [Poster presentation]. 4th Scientific Meeting of the Faculty of Veterinary Medicine, ULg (Liege–Belgium) 17 October, 2014, Liège, Belgium.

Al Darwich, A., Perreau, C., Tsikis, G., Coudert, E., Touzé, J. L., Briant, E., Beckers, J.-F., Mermillod, P., & Guignot, F. (March 2014). Effect of different culture systems on adipocyte differentiation-related protein (ADRP) in bovine embryos. Animal Reproduction Science, 145 (3-4), 105 - 113. doi:10.1016/j.anireprosci.2014.01.010
Peer Reviewed verified by ORBi

Souza-Fabjan, J., Locatelli, Y., Duffard, N., Corbin, E., Touzé, J., Perreau, C., Beckers, J.-F., Freitas, V., & Mermillod, P. (2014). In vitro embryo production in goats: slaughterhouse and laparoscopic ovum pick up 2 (LOPU) derived oocytes have different kinetics and requirements regarding maturation 3 media. Theriogenology, 81, 1021-1031. doi:10.1016/j.theriogenology.2014.01.023
Peer Reviewed verified by ORBi

Nana, F. C. N., Tume, C., Daouda, F., Djitie, F. K., Dandji M.B.S., Zoli, A. P., & Beckers, J.-F. (2014). Impact de l ́abattage des chèvres gravides sur l ́élevage des petits ruminants au Cameroun. Livestock Research for Rural Development, 26 (11).
Peer Reviewed verified by ORBi

Piccart, K., Piepers, S., Verbeke, J., Melo de Sousa, N., Beckers, J.-F., & De Vliegher, S. (2014). Milk prolactin response after induced intramammary infection with coagulase-negative staphylococci in dairy heifers [Paper presentation]. Regional Meeting of National Mastitis Council, Ghent, Belgium.

El Amiri, B., Moussafir, Z., Allai, I., Druart, X., Szenci, O., Melo de Sousa, N., & Beckers, J.-F. (2014). Sheep seminal plasma contains some pregnancy associated glycoprotein forms. In Proceedings of the European Regional Conference on Goats. European Regional Conference on Goats.
Editorial reviewed

Abdou, H., Marichatou, H., Beckers, J.-F., Dufrasne, I., & Hornick, J.-L. (2014). Chemical composition of colostrum from Azawak cow in Niger compared with meta-analytical data. Animal Genetic Resources Information, 55, 1-7.
Peer reviewed

Harouna, A., Marichatou, H., Beckers, J.-F., Dufrasne, I., Issa, M., & Hornick, J.-L. (2014). Effect of bovine colostrum intake on growth, reproductive parameters and survival in red kids. Journal of Animal Physiology and Animal Nutrition, 98 (5), 845-852. doi:10.1111/jpn.12143
Peer Reviewed verified by ORBi

Gajewski, Z., Petrajtis-Golobów, M., Wehrend, A., Melo de Sousa, N., & Beckers, J.-F. (2014). Comparison of accuracy of pregnancy-associated glycoprotein's (PAG's) concentration in blood and milk as methods for early pregnancy diagnosis in cows. Reproduction in Domestic Animals, 18.
Editorial reviewed

Melo de Sousa, N., Beckers, J.-F., & Piccart, K. (2014). PAG-Test, drachtcontrole via het bloed. Management en Techniek, 1, p. 46-47.

Bériot, M., Tchimbou Njanjo, A. F., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2014). Identification of pregnancy-associated glycoproteins and alpha-fetoprotein in fallow deer (Dama dama) placenta. Acta Veterinaria Scandinavica, 56 (4), 1-11. doi:10.1186/1751-0147-56-4
Peer Reviewed verified by ORBi

Karen, A., Bajcsy, A., Minoia, R., Kovacs, R., Melo de Sousa, N., Beckers, J.-F., Tibold, J., Madl, I., & Szenci, O. (2014). Relationship of progesterone, bovine pregnancy-associated glycoprotein-1 and nitric oxide with late embryonic and early fetal mortalities in dairy cows. Journal of Reproduction and Developmen, 60 (2), 162-167. doi:10.1262/jrd.2013-033
Peer reviewed

El Amiri, B., Delahaut, P., Colemans, Y., Melo de Sousa, N., & Beckers, J.-F. (2014). Investigation of pregnancy-associated glycoproteins (PAGs) by means of an enzymoimunoassay (ELISA) sandwich kit for pregnancy monitoring in sheep. In M. Chentouf, A. López-Francos, M. Bengoumi, ... D. Gabiña (Eds.), Options méditerranéennes : Series A (pp. 299-303).
Peer reviewed

Serrano-Perez, B., Garcia-Ispierto, I., Melo de Sousa, N., Beckers, J.-F., Almeria, S., & Lopez-Gatius, F. (2014). Gamma interferon production and plasma concentrations of pregnancy-associated glycoproteins 1 and 2 in gestating dairy cows naturally infected with Neospora caninum. Reproduction in Domestic Animals, 49 (2), 275-280. doi:10.1111/rda.12267
Peer Reviewed verified by ORBi

Abdou, H., Marichatou, H., Beckers, J.-F., Dufrasne, I., & Hornick, J.-L. (05 December 2013). Effect of bovine colostrum administration on plasma protein profile, growth, and survival in Red kid. Small Ruminant Research, 117, 158-164. doi:10.1016/j.smallrumres.2013.12.005
Peer Reviewed verified by ORBi

Gatez, C., Ectors, F., Farnir, F., Beckers, J.-F., & Deleuze, S. (11 October 2013). Vitrification of immature equine oocytes: investigation of volume variations during the process [Poster presentation]. 3rd Scientific Meeting of the Faculty of Veterinary Medicine - University of Liege, Liege, Belgium.

Gatez, C., Ectors, F., Farnir, F., Beckers, J.-F., & Deleuze, S. (11 October 2013). Vitrification of immature equine oocytes [Poster presentation]. 3rd Scientific Meeting of the Faculty of Veterinary Medicine - University of Liege, Liege, Belgium.

Okuyama, M., Melo de Sousa, N., & Beckers, J.-F. (19 June 2013). Characteristics of Pregnancy-Associated glycoprotein (PAG) like proteins in red deer [Poster presentation]. Biomedica 2013, European Life Sciences Summit, Eurogress achen, Aachen, Germany.

Barbato, O., Merlo, M., Celi, P., Melo de Sousa, N., Guarneri, L., Beckers, J.-F., & Gabai, G. (2013). Relationship between plasma progesterone and pregnancy-associated glycoprotein concentrations during early pregnancy in dairy cows. Veterinary Journal, 195 (3), 385-387. doi:10.1016/j.tvjl.2012.06.028
Peer Reviewed verified by ORBi

Garcia-ispierto, I., Almeria, S., Serrano, B., Melo de Sousa, N., Beckers, J.-F., & Lopez-Gatius, F. (2013). Plasma concentrations of pregnancy-associated glycoproteins measured using anti-bovine PAG-2 antibodies on Day 120 of gestation predict abortion in dairy cows naturally infected with Neospora caninum. Reproduction in Domestic Animals, 48, 613-618. doi:10.1111/rda.12134
Peer Reviewed verified by ORBi

Shahin, M., Friedrich, M., Gauly, M., Beckers, J.-F., & Holtz, W. (2013). Pregnancy-associated glycoprotein (PAG) pattern and pregnancy detection in Boer goats using an ELISA with different antisera. Small Ruminant Research, 113, 141-144. doi:10.1016/j.smallrumres.2013.01.016
Peer Reviewed verified by ORBi

Bériot, M., Tchimbou Njanjo, A. F., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2013). Serum albumin [Fragment] from Dama dama placenta - Accession number C0HJD2. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157462.

Van Hahn, N., Viet Linh, N., Melo de Sousa, N., Beckers, J.-F., & Bui, X. (2013). Profiles of pregnancy-associated glycoprotein (PAG) concentrations during gestation in swamp buffalo. In Proceedings of the 10th World Buffalo Congress and 7th Asian Buffalo Congress.

Mala, J., Beckers, J.-F., Melo de Sousa, N., Indrova, E., Lopatarova, M., Dolezel, R., & Cech, S. (2013). Intrafollicular LH administration in dairy heifers treated with a GnRH agonist. Veterinarni Medicina, 58 (2), 81–86. doi:10.17221/6700-VETMED
Peer Reviewed verified by ORBi

Nguyen, V. H., Linh, N. V., Melo de Sousa, N., Beckers, J.-F., & Bui, X. N. (2013). Profiles of Pregnancy-Associated Glycoprotein (Pag) concentrations during gestation in Swamp Buffalo. Buffalo Bulletin, 32 (Suppl. 2), 448-451.
Peer reviewed

Havlicek, V., Hoelker, M., Tesfaye, D., Beckers, J.-F., Brem, G., & Besenfelder, U. (2013). Effect of the modifies superovulation protocol on the embryo development in cattle. In Proceedings of the 29th Scientific Meeting of the European Embryo Transfer Association (pp. 146). Association of Embryo Technology in Europe.
Editorial reviewed

Beriot, M., Tchimbou Njanjo, A. F., Barbato, O., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2013). Identification of pregnancy-associated glycoproteins and alphafetoprotein in fallow deer (Dama dama) placenta [Paper presentation]. 3rd Scientific Meeting of the Faculty of Veterinary Medicine (Liege, Belgium), Liege, Belgium.

Peeters, M., Closson, C., Beckers, J.-F., & Vandenheede, M. (2013). Rider and horse salivary cortisol levels during competition and impact on performance. Journal of Equine Veterinary Science, 33 (3), 155-160. doi:10.1016/j.jevs.2012.05.073
Peer Reviewed verified by ORBi

Melo de Sousa, N., Tchimbou Njanjo, A. F., & Beckers, J.-F. (2013). Assay of Pregnancy-Associated Glycoproteins in milk: Integration of the assay in periodic milk control to follow pregnancy in dairy cows [Paper presentation]. Pregnancy, Parturition, Postpartum Meeting (PPP), Liège, Belgium.

Bériot, M., Tchimbou Njanjo, A. F., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2013). Pregnancy-Associated Glycoprotein B-56 kDa [Fragment] from Dama dama placenta - Accession number C0HJC8. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157457.

Bériot, M., Tchimbou Njanjo, A. F., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2013). Pregnancy-Associated Glycoprotein A-62 kDa [Fragment] from Dama dama placenta - Accession number C0HJC7. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157456.

Bériot, M., Tchimbou Njanjo, A. F., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2013). Alpha-2-HS-glycoprotein [Fragment] from Dama dama placenta - Accession number C0HJD1. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157461.

Van Hanh, N., Melo de Sousa, N., Beckers, J.-F., & Bui, X. (2013). The prenatal development in swamp buffalo. Iranian Journal of Veterinary Research, 14 (4), 313-319.

El Amiri, B., Melo de Sousa, N., Szenci, O., & Beckers, J.-F. (2013). Pregnancy-associated glycoproteins in sheep: breeds, techniques and achievements. In Proceedings of the 23rd International Congress of Hungarian Association for Buiatrics (pp. 97-104). Budapest, Hungary: Hungarian Association for Buiatrics.

El Amiri, B., Melo de Sousa, N., El Abbadi, N., El Fadili, M., Szenci, O., & Beckers, J.-F. (2013). Pregnancy-Associated Glycoproteins (PAGs) in prolific (Boujaâd x D’man) and non- prolific (Boujaâd) Moroccan sheep by means of four radio-immunoassays. In Proceedings of the 23rd International Congress of Hungarian Association for Buiatrics (Hungarian Association for Buiatrics, pp. 177-181). Budapest, Hungary: Hungarian Association for Buiatrics.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2013). Purification of pregnancy-associated glycoproteins from late-pregnancy Bubalus bubalis placentas and development of a radioimmunoassay for pregnancy diagnosis in water buffalo females. BMC Veterinary Research, 9, 89. doi:10.1186/1746-6148-9-89
Peer Reviewed verified by ORBi

Bohak, Z., Szabo, F., Beckers, J.-F., Melo de Sousa, N., Kutasi, O., Nagy, K., & Szenci, O. (2013). Monitoring the circadian rhythm of serum and salivary cortisol concentrations in the horse. Domestic Animal Endocrinology, 45 (1), 38-42. doi:10.1016/j.domaniend.2013.04.001
Peer Reviewed verified by ORBi

Bériot, M., Tchimbou Njanjo, A. F., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2013). Pregnancy-Associated Glycoprotein C-39 kDa [Fragment] from Dama dama placenta - Accession number C0HJC9. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157458.

Bériot, M., Tchimbou Njanjo, A. F., Barbato, O., Beckers, J.-F., & Melo de Sousa, N. (2013). Pregnancy-Associated Glycoprotein D-56 kDa [Fragment] from Dama dama placenta - Accession number C0HJD0. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157459.

Mala, J., Beckers, J.-F., Melo de Sousa, N., Indrova, E., Lopatarova, M., Dolezel, R., Sevelova, H., & Cech, S. (2013). Determination of minimum effective doses of luteinizing hormone and human chorionic gonadotropin for intrafollicular treatment to induce ovulation in dairy heifers. Acta Veterinaria Brno, 82, 375-379. doi:10.2754/avb201382040375
Peer reviewed

Abdoul, H., Marichatou, H., Beckers, J.-F., Dufrasne, I., & Hornick, J.-L. (2012). Effect of Azawak colostrum administration on plasma protein profile in red kid. In Proceedings of the 2nd Scientific Meeting of the Faculty of Veterinary Medicine.

Gatez, C., Ectors, F., Farnir, F., Beckers, J.-F., & Deleuze, S. (19 October 2012). Immature equine oocyte vitrification [Paper presentation]. 2nd Scientific Meeting of the Faculty of Veterinary Medicine, Liège, Belgium.

Bella, A., Beckers, J.-F., & Melo de Sousa, N. (2012). Placental and gastric aspartic proteinases: new insights from bovine species. In Proceedings of the 2nd Scientific Meeting of the Faculty of Veterinary Medicine.

Abdou, H., Marichatou, H., Beckers, J.-F., Dufrasne, I., & Hornick, J.-L. (11 October 2012). Effect of bovine Azawak colostrum administration on plasma protein profile in red kid [Poster presentation]. Proceedings of the 2nd Scientific Meeting of the Faculty of Veterinary Medicine, ULg (Liege–Belgium), Liège, Belgium.

Nguyen, V. H., Barbato, O., Bui, X. N., Beckers, J.-F., & Melo de Sousa, N. (October 2012). Assessment of pregnancy-associated glycoprotein (PAG) concentrations in swamp buffalo samples from fetal and maternal origins by using interspecies antisera. Animal Science Journal, 83 (10), 683-689. doi:10.1111/j.1740-0929.2012.01009.x
Peer Reviewed verified by ORBi

Breukelman, S. P., Perényi, Z., Taverne, M. A. M., Jonker, H., Van der Weijden, G. C., Vos, P. L. A. M., de Ruigh, L., Dieleman, S. J., Beckers, J.-F., & Szenci, O. (October 2012). Characterisation of pregnancy losses after embryo transfer by measuring plasma progesterone and bovine pregnancy-associated glycoprotein-1 concentrations. Veterinary Record, 194 (1), 71-76. doi:10.1016/j.tvjl.2012.02.020
Peer Reviewed verified by ORBi

Velazquez, M., Hadeler, K., Herrmann, D., Kues, W., Remy, B., Beckers, J.-F., & Niemann, H. (August 2012). In vitro oocyte IGF-I priming increases inner cell mass proliferation of in vitro-formed bovine blastocysts. Theriogenology, 78 (3), 517-527. doi:10.1016/j.theriogenology.2012.02.034
Peer Reviewed verified by ORBi

Abdelfatah-Hassan, A., Almeria, S., Serrano, B., Melo de Sousa, N., Beckers, J.-F., & Lopez-Gatius, F. (15 April 2012). The inseminating bull and plasma pregnancy-associated glycoprotein levels were related to peripheral leukocyte counts during the late pregnancy/early postpartum period in high-producing dairy cows. Theriogenology, 77 (7), 1390-1397. doi:10.1016/j.theriogenology.2011.11.002
Peer Reviewed verified by ORBi

Petrova, A., Okuyama, M., Fondja, E., Beckers, J.-F., & Melo de Sousa, N. (February 2012). Fractionnement et immunoréactivité de type PAG (Pregnancy-Associated Glycoprotein) des protéines extraites des caroncules maternelles chez les cervidés (Cervus elaphus) [Poster presentation]. Jounées Portes Ouvertes Haute Ecole de la Province de Liège, Liège, Belgium.

Fondja, E., Okuyama, M., Petrova, A., Beckers, J.-F., & Melo de Sousa, N. (February 2012). Investigations sur les protéines placentaires extraites des cotylédons fœtaux du Cervus elaphus [Poster presentation]. Jounées Portes Ouvertes de la Haute Ecole de le Province de Liège, Liège, Belgium.

Parilla-Hernandez, S., Deleuze, S., Lecrenier, M. C., Beckers, J.-F., & Ponthier, J. (2012). Superovulation in the mare with commercially available pFSH [Paper presentation]. 2nd Scientific Meeting of the Faculty of Veterinary Medicine, Liège, Belgium.

Gharbi, I., Ferrouk, M., Dechicha, A., Baril, G., Beckers, J.-F., & Guetarni, D. (2012). Follicular status and embryo production in Ouled Djellal (Algeria) ewes breed pretreated with a GnRH agonist. Asian Journal of Animal and Veterinary Advances, 7 (2), 117-127. doi:10.3923/ajava.2012.117.127
Peer Reviewed verified by ORBi

Bella, A., Melo de Sousa, N., Dehimi, M. L., & Beckers, J.-F. (2012). Pregnancy-associated glycoprotein, chymosin and pepsinogen immunoreactivity of proteins extracted from fetal gastric tissue in bovine species. Research in Veterinary Science, 92 (3), 378-386. doi:10.1016/j.rvsc.2011.03.023
Peer Reviewed verified by ORBi

Abdou, H., Marichatou, H., Beckers, J.-F., Dufrasne, I., & Hornick, J.-L. (2012). Physiologie de la production et composition chimique du colostrum des grands mammifères domestiques: généralités. Annales de Médecine Vétérinaire, 156, 87-98.
Peer Reviewed verified by ORBi

Lamrani, F., Benyounes, A., Sulon, J., Melo de Sousa, N., Hornick, J.-L., Beckers, J.-F., & Tahar, A. (2012). Étude de la cyclicité en relation avec le poids vif et l’état corporel chez les agnelles Ouled Djellal nées en automne dans la région Est de l’Algérie. Annales de Médecine Vétérinaire, 156, 81-86.
Peer Reviewed verified by ORBi

Szenci, O., Karen, A., Bajcsy, A. C., Gaspardy, A., Melo de Sousa, N., & Beckers, J.-F. (November 2011). Effect of restraint stess on plasma concentrations of cortisol, progesterone and pregnancy associated-glycoproteins-1 in pregnant heifers during late embryonic development. Theriogenology, 76 (8), 1380-1385. doi:10.1016/j.theriogenology.2011.05.030
Peer Reviewed verified by ORBi

Beckers, J.-F., Bella, A., & Melo de Sousa, N. (24 September 2011). Placental and gastric arpartic proteinases: new insights from bovine species [Paper presentation]. Pregnancy, Parturition, Postpartum Meeting (PPP), Mariensee, Germany.

Melo de Sousa, N., Michiels, J.-A., Terroni, D., Bella, A., Czaplicki, G., & Beckers, J.-F. (07 September 2011). Concentrations of pepsinogens A and C in peripheral blood of cattle at different developmental stages [Paper presentation]. 6th European Congress of Bovine Health and Management (ECBHM).

Beckers, J.-F., & Melo de Sousa, N. (07 September 2011). Pregnancy-associated glycoprotein levels in cattle exhibiting prolonged pregnancy: case reports [Poster presentation]. 6th European Congress of Bovine Health and Management (ECBHM), Belgium.

Szenci, O., Bajcsy, A. C., Nagy, K., Madl, I., Tibolt, J., Melo de Sousa, N., Beckers, J.-F., Kulcsar, M., & Huszenicza, G. (2011). Prediction of stillbirth in Holstein-Friesian dairy cows by monotoring endocrine profiles in the periparturient period. In Proceedings of the 6th European Congress of Bovine Health and Management (ECBHM) (pp. 75).

Bella, A., Melo de Sousa, N., Lopez-Gatius, F., Garcia-Ispierto, I., Schoofs, L., Chahiba, N., & Beckers, J.-F. (07 September 2011). Development of a new radioimmunoassay by using antiserum against pregnancy-associated glycoprotein II : concentrations in holstein dairy cattle [Paper presentation]. 6th European Congress of Bovine Health and Management (ECBHM).

Beckers, J.-F., Melo de Sousa, N., Colemonts, Y., Huet, A. C., Bertrand, H., Bella, A., Barbato, O., & Delahaut, P. (07 September 2011). Pregnancy diagnosis in cattle by using a new ELISA for pregnancy-associated glycoprotein: preliminary results [Poster presentation]. 6th European Congress of Bovine Health and Management (ECBHM).

Delahaut, P., Melo de Sousa, N., Huet, A. C., Colemonts, Y., Bertrand, H., Barbato, O., & Beckers, J.-F. (07 September 2011). Development of a new ELISA for measurement of pregnancy-associated glycoprotein [Poster presentation]. 6th European Congress of Bovine Health and Management (ECBHM).

Parilla Hernandez, S., Deleuze, S., Beckers, J.-F., Lecrenier, M.-C., & Ponthier, J. (September 2011). Superovulation in the mare with commercially available pFSH. Reproduction in Domestic Animals, 46 (s3), 138.
Peer Reviewed verified by ORBi

Andreu-Vazquez, C., Garcia-Ispierto, I., Lopez-Bejar, M., Melo de Sousa, N., Beckers, J.-F., & Lopez-Gatius, F. (August 2011). Clinical implications of induced twin reduction in dairy cattle. Theriogenology, 76 (3), 512-521. doi:10.1016/j.theriogenology.2011.03.003
Peer Reviewed verified by ORBi

Velazquez, M. A., Hadeler, K. G., Herrmann, D., Kues, W. A., Ulbrich, S. E., Meyer, H. H., Remy, B., Beckers, J.-F., Sauerwein, H., Niemann, H., & Earley, L. (July 2011). In vivo oocyte developmental competence is reduced in lean but not in obese superovulated dairy cows after intraovarian administration of IGF1. Reproduction, 142 (1), 41-52. doi:10.1530/REP-10-0512
Peer Reviewed verified by ORBi

Guyot, H., Alves de Oliveira, L., Ramery, E., Beckers, J.-F., & Rollin, F. (April 2011). Effect of a combined iodine and selenium supplementation on I and Se status of cows and their calves. Journal of Trace Elements in Medicine and Biology, 25 (2), 118-124. doi:10.1016/j.jtemb.2011.02.003
Peer Reviewed verified by ORBi

Peeters, M., Closson, C., Beckers, J.-F., & Vandenheede, M. (24 February 2011). Le stress du cavalier et du cheval en compétition [Poster presentation]. 37ème Journée de la Recherche Equine, Paris, France.

Thilmant, Paniagua, S., Farnir, F., Maes, D., Beckers, J.-F., & Laitat, M. (2011). Contrôle de l'involution utérine au moyen de l'écographie transabdominale en mode B : validation de la technique. In Colloques de la 43e Journée de la Recherche Porcine (pp. 191-192).
Peer reviewed

Constant, F., Camous, S., Chavatte-Palmer, P., Heyman, Y., Melo de Sousa, N., Richard, C., Beckers, J.-F., & Guillomot, M. (2011). Altered secretion of pregnancy-associated glycoproteins during gestation in bovine somatic clones. Theriogenology, 76 (6), 1006-1021. doi:10.1016/j.theriogenology.2011.04.029
Peer Reviewed verified by ORBi

Zamfirescu, S., Anghel, A., Nadolu, D., & Beckers, J.-F. (2011). Plasmatic profiles of pregnancy-associated glycoprotein and progesterone levels during early pregnancy in carpathian goat. Annals of the Romanian Society for Cell Biology, 16 (2), 50-53.
Peer reviewed

Szelenyi, Z., Bajcsy, A. C., Nagy, K., Repasi, A., Madl, I., Tibold, J., Kulcsar, M., Huszenicza, G., Melo de Sousa, N., Beckers, J.-F., & Szenci, O. (2011). Prediction of twin pregnancies by measuring certain endocrine parameters in dairy cows in the peripartal period. In Proceedings 12th Middle European Buiatrics Congress. Hungarian Association for Buiatrics.
Editorial reviewed

Szenci, O., Bajcsy, A. C., Nagy, K., Bryd, E., Madl, I., Tibold, J., Melo de Sousa, N., Beckers, J.-F., Kulcsár, M., & Huszenicza, G. (2011). Monitoring endocrine profiles for prediction of stillbirth in Holstein-Friesian dairy heifers. In Proceedings 12th Middle European Buiatrics Congress. Hungary: Hungarian Association for Buiatrics.
Editorial reviewed

Peeters, M., Sulon, J., Beckers, J.-F., Ledoux, D., & Vandenheede, M. (2011). Comparison between blood and salivary cortisol levels in horses (Equus caballus) using an ACTH challenge [Paper presentation]. 1st Scientific Meeting of the Faculty of Veterinary Medicine (Liège – Belgium), Liège, Belgium.

Thilmant, P., Paniagua, S., Farnir, S., Maes, D., Beckers, J.-F., & Laitat, M. (2011). The use of trans-abdominal B-mode ultrasonography to assess uterine involution in sows: validation of the technique [Paper presentation]. 1st Scientific Meeting of the Faculty of Veterinary Medicine (Liège – Belgium), Liège, Belgium.

Barbato, O., Melo de Sousa, N., Canali, C., & Beckers, J.-F. (2011). The pregnancy-associated glycoproteins. Clinical applications for pregnancy follow-up in ruminant species. Revista Română de Medicină Veterinară, 21 (2), 117-126.
Peer reviewed

Cocero, M., Alabart, J., Hammami, S., Marti, J., Lahoz, B., Sanchez, P., Echegoyen, E., Beckers, J.-F., & Folch, J. (2011). The Efficiency of In vitro Ovine Embryo Production Using an Undefined or a Defined Maturation Medium is Determined by the Source of the Oocyte. Reproduction in Domestic Animals, 46 (3), 463-470. doi:10.1111/j.1439-0531.2010.01690.x
Peer Reviewed verified by ORBi

Peeters, M., Sulon, J., Beckers, J.-F., Ledoux, D., & Vandenheede, M. (2011). Comparison between blood serum and salivary cortisol concentrations in horses using an adrenocorticotropic hormone challenge. Equine Veterinary Journal, 43 (4), 487-493. doi:10.1111/j.2042-3306.2010.00294.x
Peer Reviewed verified by ORBi

Karen, A., Beckers, J.-F., Melo de Sousa, N., & Szenci, O. (2011). Plasma urea nitrogen in relation to pregnancy rate in dairy sheep. Animal Reproduction Science, 124 (1-2), 69-72. doi:10.1016/j.anireprosci.2011.01.012
Peer Reviewed verified by ORBi

Guignot, F., Perreau, C., Cavarroc, C., Touze, J. L., Pougnard, J. L., Dupont, F., Beckers, J.-F., Remy, B., Babilliot, J. M., Bed'hom, B., Lamoriniere, J., Mermillod, P., & Baril, G. (2011). Sex and PRNP genotype determination in preimplantation caprine embryos. Reproduction in Domestic Animals, 46 (4), 656-663. doi:10.1111/j.1439-0531.2010.01724.x
Peer Reviewed verified by ORBi

Karen, A. M., Darwish, S., Ramoun, A., Tawfeek, K., Van Hanh, N., Melo de Sousa, N., Sulon, J., Szenci, O., & Beckers, J.-F. (2011). Accuracy of transrectal palpation for early pregnancy diagnosis in Egyptian buffaloes. Tropical Animal Health and Production, 43 (1), 5-7. doi:10.1007/s11250-010-9675-2
Peer Reviewed verified by ORBi

Charallah, S., Amirat, Z., Sulon, J., Khammar, F., & Beckers, J.-F. (December 2010). Pregnancy-Associated Glycoprotein and Progesterone Concentrations during Pregnancy Failure in Bedouin Goat from the Southwest of Algeria. Reproduction in Domestic Animals, 45 (6), 213-238. doi:10.1111/j.1439-0531.2009.01511.x
Peer Reviewed verified by ORBi

Karen, A., Bajcsy, A. C., Kovacs, R., Beckers, J.-F., Chahiba, N., Schoofs, L., Melo de Sousa, N., Tibold, J., Takacs, L., Madl, I., & Szenci, O. (2010). Late embryonic and early fetal mortalities in dairy cows: the incidence and pregnancy protein profiles. In Proceedings of the 20th International Congress of Hungarian Association for Buiatrics (pp. 54-55).

Repasi, A., Melo de Sousa, N., Beckers, J.-F., & Szenci, O. (2010). Effect of a corpus luteum with or without a cavity on fertility in dairy cows after prostaglandin treatment. In Proceedings of the Hungarian Association for Buiatrics.

El Amiri, B., El Abbadi, N., Benjelloun, B., Melo de Sousa, N., & Beckers, J.-F. (15 September 2010). Could Western blot analysis be an alternative to radio-immunoassay for sheep pregnancy associated glycoproteins measurements ? Reproduction in Domestic Animals, 45 (Suppl 3), 65.
Peer Reviewed verified by ORBi

Szenci, O., Bajcsy, A. C., Brydl, E., Madl, I., Tibold, J., Melo de Sousa, N., Bella, A., Beckers, J.-F., Keresztes, M., Faigl, V., Kulcsar, M., & Huszenicza, G. (03 September 2010). Monitoring endocrine profiles for prediction of stillbirth in Holstein-Friesian dairy cattle [Paper presentation]. 8th International Ruminant Reproduction Congress, Anchorage(Alaska), United States.

Alabart, J. L., Lahoz, B., Folch, J., Marti, J. I., Sanchez, P., Delahaut, P., Colemonts, Y., Beckers, J.-F., & Melo de Sousa, N. (2010). Diagnostico precoz de gestation en Ganado ovino mediante un kit enzimoimmunoanalisis (EIA) de la glicoproteina asociada a la gestation (PAG) plasmatica. In Proceedings of the XXXV Congreso de la Sociedad Espanola de Ovinotechnia y Caprinotecnia (SEOC) (pp. 199-202).
Peer reviewed

Peeters, M., Godfroid, S., Sulon, J., Beckers, J.-F., Serteyn, D., & Vandenheede, M. (03 August 2010). Can we predict troubles during horse clinical examination by a simple test? [Poster presentation]. The 44th International Society for Applied Ethology Conference, Uppsala, Sweden.

Garcia-Ispierto, I., Nogareda, C., Yaniz, J. L., Almeria, S., Martinez-Bello, D., Melo de Sousa, N., Beckers, J.-F., & Lopez-Gatius, F. (2010). Neospora caninum and coxiella burnetii seropositivity are related to endocrine pattern changes during gestation in lactating dairy cows. Theriogenology, 74 (2), 212-230. doi:10.1016/j.theriogenology.2010.02.004
Peer Reviewed verified by ORBi

Boseret, G., & Beckers, J.-F. (2010). Le système de contrôle du chant des passériformes : un modèle d’étude de la plasticité neuronale. Annales de Médecine Vétérinaire, 154 (1), 48-60.
Peer Reviewed verified by ORBi

Havlicek, V., Kuzmany, A., Beckers, J.-F., Remy, B., Brem, G., & Besenfelder, U. (2010). Efficiency of day seven collection of bovine embryosafter superovulation by flushing the oviducts and the uterin horns. Reproduction, Fertility and Development, 22 (1), 363. doi:10.1071/RDv22n1Ab411
Peer Reviewed verified by ORBi

Zamfirescu, S., Anghel, A., & Beckers, J.-F. (2010). Research regarding the dynamics of proteins associated to gestation and plasmatic progesterone in goats of local breeds in precocious and early pregnancy [Paper presentation]. Lucrări Ştiinţifice.

Szenci, O., Bajcsy, A. C., Bryd, E., Mádl, I., Tibold, J., Melo de Sousa, N., Bella, A., Beckers, J.-F., Keresztes, M., Faigl, V., Kulecsár, M., & Huszenicza, G. (2010). Monitoring endocrine profiles for prediction of stillbirth in Holstein-Friesian dairy cattle [Poster presentation]. 8th Annual Interntional Ruminant Reproduction Symposium (IRRC), Anchorage, United States - Alaska.

Gajewski, Z., Petrajtis, M., Melo de Sousa, N., Kleczkowski, M., Beckers, J.-F., Pawlinski, B., Domanska, D., & Jakubowski, T. (2010). Comparison of accuracy of sonography, rectal palpation, and pregnancy-associated glycoproteins tests for pregnancy diagnosis in cows. In Proceedings of the XIth Middle European Buiatrics Congress.
Peer reviewed

Szenci, , Bajcsy, A. C., Brydl, E., Tegzes, L., Madl, I., Tibold, J., Melo de Sousa, N., Bella, A., Beckers, J.-F., Keresztes, M., Gaigl, V., Kulcsar, M., & Huszenicza, G. (2010). Prediction of stillbirth by monotoring endocrine and metabolic parameters in dairy cattle. Reproduction in Domestic Animals, 45 (Suppl 3), 109.
Peer Reviewed verified by ORBi

Zamfirescu, S., Nadolu, D., & Beckers, J.-F. (2010). Preliminary results obtained by ria determination of the proteins associated to pregnancy (PAG) in goat and sheep. Annals of the Romanian Society for Cell Biology, XV (1), 98-104.
Peer reviewed

Alvarez Oxiley, A. V., Melo de Sousa, N., Hornick, J.-L., Touati, K., van der Weijden, G. C., Taverne, M. A., Szenci, O., & Beckers, J.-F. (2010). Effect of exogenous circulating anti-bPL antibodies on bovine placental lactogen measurements in foetal samples. Acta Veterinaria Scandinavica, 52, 9. doi:10.1186/1751-0147-52-9
Peer Reviewed verified by ORBi

Peeters, M., Sulon, J., Beckers, J.-F., Ledoux, D., & Vandenheede, M. (July 2009). Comparison between blood and salivary cortisol levels in horses (Equus caballus) using an ACTH challenge [Poster presentation]. The 43rd Congress of the International Society for Applied Ethology, Cairns, Queensland, Australia.

El-Battawy, K. A., Melo de Sousa, N., Szenci, O., & Beckers, J.-F. (April 2009). Pregnancy-associated Glycoprotein Profile during the First Trimester of Pregnancy in Egyptian Buffalo Cows. Reproduction in Domestic Animals, 44 (2), 161–166. doi:10.1111/j.1439-0531.2007.00941.x
Peer Reviewed verified by ORBi

Ponthier, J., Beckers, J.-F., & Deleuze, S. (19 February 2009). Microscopic study of equine oocyte maturation within quaternary follicles [Paper presentation]. 1st congress of the Balkan Network for Animal Reproduction Biotechnologies, Sofia, Bulgaria.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein I-73 kDa [Fragment] from Bubalus bubalis placenta -Access number P86371. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106847.

Lopez-Gatius, F., Almeria, S., Yániz, J. L., Santolaria, P., Nogareda, C., Mezo, M., Gonzalez-Warleta, M., Castro-Hermida, J. A., Melo de Sousa, N., & Beckers, J.-F. (2009). Gamma interferon production correlates negatively with plasma levels of pregnancy-associated glycoprotein-1 (PAG-1) during gestation in dairy cows naturally infected with Neospora caninum. In M. O’Leary & J. Arnett, Pregnancy Protein Research (pp. 123-134). United States - District of Columbia: Nova Science Publishers.

Beckers, J.-F., Melo de Sousa, N., Dufrasne, M., & Czaplicki, G. (2009). Dosage des pepsinogènes A et C dans le sang pour diagnostiquer les verminoses gastro-intestinales chez le bovin. Nouvelles de l'Hiver, (2e trimestre), 32-33.

Zamfirescu, S., Topoleanu, I., & Beckers, J.-F. (2009). Preliminary results obtained by RIA determination of the proteins associated to pregnancy (PAG) in goat and sheep. Comptes Rendus de l'Académie Bulgare des Sciences, 62 (9), 1111-1118.
Peer Reviewed verified by ORBi

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., Panasiewicz, G., Gizejewski, Z., & Szafranska, B. (2009). Identification of multiple pregnancy-associated glycoproteins (PAGs) purified from the European bison (Eb; Bison bonasus L.) placentas. Animal Reproduction Science, 112, 229-250. doi:10.1016/j.anireprosci.2008.04.021
Peer Reviewed verified by ORBi

Savela, H., Vahtiala, S., Lindeberg, H., Dahl, E., Ropstad, E., Beckers, J.-F., & Saarela, S. (2009). Comparison of accuracy of ultrasonography, progesterone and pregnancy-associated 4 glycoprotein tests for pregnancy diagnosis in semi-domesticated reindeer. Theriogenology, 72, 1229–1236. doi:10.1016/j.theriogenology.2009.07.018
Peer Reviewed verified by ORBi

Lobago, F., Bekana, M., Gustafsson, H., Beckers, J.-F., Yohannes, G., Aster, Y., & Kindahl, H. (2009). Serum Profiles of Pregnancy-Associated Glycoprotein, Oestrone Sulphate and Progesterone During Gestation and Some Factors Influencing the Profiles in Ethiopian Borana and Crossbred Cattle. Reproduction in Domestic Animals, 44 (4), 685-692. doi:10.1111/j.1439-0531.2007.01049.x
Peer Reviewed verified by ORBi

Barbato, O., Melo de Sousa, N., Debenedetti, A., Canali, C., Todini, L., & Beckers, J.-F. (2009). Validation of a new pregnancy-associated glycoprotein radioimmunoassay method for the detection of early pregnancy in ewes. Theriogenology, 72, 993–1000. doi:10.1016/j.theriogenology.2009.06.020
Peer Reviewed verified by ORBi

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein H-63 kDa [Fragment] from Bubalus bubalis placenta - Access number P86379. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106855.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein E-65 kDa [Fragment] from Bubalus bubalis placenta - Access number P86376. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106852.

Bech-Sabat, G., Lopez-Gatius, F., Garcia-Ispierto, I., Santolaria, J. P., Serrano, B., Nogareda, C., Melo de Sousa, N., Beckers, J.-F., & Yaniz, J. (2009). Pregnancy patterns during the early fetal period in high producing dairy cows treated with GnRH or progesterone. Theriogenology, 71, 920–929. doi:10.1016/j.theriogenology.2008.10.013
Peer Reviewed verified by ORBi

Folch, J., Cocero, M. J., Chesne, P., Alabart, J. L., Dominguez, V., Cognie, Y., Rochez, A., Fernandez-Arias, A., Martin, J., Sanchez, P., Echegoyen, E., Beckers, J.-F., Bonastre, A. S., & Vignon, X. (2009). First birth of an animal from an extinct subspecies (Capra pyrenaica pyrenaica) by cloning. Theriogenology, 71, 1026-1034. doi:10.1016/j.theriogenology.2008.11.005
Peer Reviewed verified by ORBi

Ayad, A., Melo de Sousa, N., Sulon, J., Hornick, J.-L., Iguer-Ouada, M., & Beckers, J.-F. (2009). Correlation of five radioimmunoassay systems for measurement of bovine plasma pregnancy-associated glycoprotein concentrations at early pregnancy period. Research in Veterinary Science, 86, 377-382. doi:10.1016/j.rvsc.2008.10.003
Peer Reviewed verified by ORBi

Szenci, O., Bajcsy, A. C., Brydl, E., Madl, I., Tibold, J., Melo de Sousa, N., Bella, A., Beckers, J.-F., Keresztes, M., Faigl, V., Kulcsar, M., & Huszenicza, G. (2009). Monitoring certain endocrine parameters for predicting stillbirth in dairy cows. In Proceedings: XVII International congress of mediterranean federation of health and production of ruminants (pp. 92).
Peer reviewed

Rizzo, H., François, D., Fassier, T., Guitton, E., Baril, G., Coigné, J., Fatet, A., Guignot, F., Mermillot, P., Petit, J. P., Beckers, J.-F., Remy, B., Foucras, G., & Meyer, G. (2009). Embryo transfer as a tool for experimental reproduction of ovine herds. Ciência Animal Brasileira, Suppl 1, 814-820.

Velazquez, M. A., Hadeler, K. G., Beckers, J.-F., Remy, B., & Niemann, H. (2009). Effects of intraovarian application of insulin-like growth factor-1 (IGF-1) on the superovulatory response of diary cattle. Reproduction in Domestic Animals, 44 (S1), 38.
Peer Reviewed verified by ORBi

Repasi, A., Melo de Sousa, N., Beckers, J.-F., Bella, A., & Szenci, O. (2009). Effect of different prostaglandin treatment protocols on the time of ovulation and pregnancy rate in dairy cattle. Folia Veterinaria, 53 (Suppl. 2), 172.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein J-63 kDa [Fragment] from Bubalus bubalis placenta - Access number P86370. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106846.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein K-60 kDa [Fragment] from Bubalus bubalis placenta - Access number P83369. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106845.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein A-69 kDa [Fragment] from Bubalus bubalis placenta - Access number P86372. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106848.

Dethier, M., Melo de Sousa, N., Balci, S., & Beckers, J.-F. (2009). Purification de protéines associées à la gestation (PAG) chez le porc [Poster presentation]. Journée - Ecole Rennequin Sualem, Liège, Belgium.

Guignot, F., Baril, G., Dupont, F., Cognié, Y., Folch, J., Alabart, J. L., Poulin, N., Beckers, J.-F., Bed'hom, B., Babilliot, J.-M., & Mermillod, P. (2009). Determination of sex and scrapie resistance genotype in preimplantation ovine embryos. Molecular Reproduction and Development, 76 (2), 183-190. doi:10.1002/mrd.20940
Peer Reviewed verified by ORBi

Barbato, O., Melo de Sousa, N., Malfatti, A., Debenedetti, A., Todini, L., Barile, V. L., & Beckers, J.-F. (2009). Concentrations of pregnancy-associated glycoproteins in Water buffaloes females (Bubalus bubalis) during pregnancy and postpartum periods. In M. O’Leary & J. Arnett, Pregnancy Protein Research (pp. 123-134). United States - District of Columbia: Nova Science Publishers.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein B-73 kDa [Fragment] from Bubalus bubalis placenta - Access number P86373. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106849.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein C-61 kDa [Fragment] from Bubalus bubalis placenta - Access number P86374. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106850.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein D-76 kDa [Fragment] from Bubalus bubalis placenta - Access number P86375. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106851.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein F-58 kDa [Fragment] from Bubalus bubalis placenta - Access number P86377. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106853.

Barbato, O., Melo de Sousa, N., Barile, V. L., Canali, C., & Beckers, J.-F. (2009). Pregnancy-Associated Glycoprotein G-76 kDa [Fragment] from Bubalus bubalis placenta - Access number P86378. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106854.

Gajewski, Z., Pertajitis, Melo de Sousa, N., Beckers, J.-F., Pawliński, B., & Janett, P. (2009). Pregnancy-associated glycoproteins as diagnostic tool in cattle reproduction. Schweizer Archiv für Tierheilkunde, 151 (12), 577-582. doi:10.1024/0036-7281.151.12.577
Peer Reviewed verified by ORBi

Serrano, B., Lopez-Gatius, F., Santolaria, P., Almeria, S., Garcia-Ispierto, I., Bech-Sabat, G., Sulon, J., Melo de Sousa, N., Beckers, J.-F., & Yaniz, J. L. (2009). Factors Affecting Plasma Pregnancy-associated Glycoprotein 1 Concentrations Throughout Gestation in High-producing Dairy Cows. Reproduction in Domestic Animals, 44 (4), 600-605. doi:10.1111/j.1439-0531.2007.01025.x
Peer Reviewed verified by ORBi

Rico, C., Fabre, S., Medigue, C., di Clemente, N., Clement, F., Bontoux, M., Touze, J.-L., Dupont, M., Briant, E., Remy, B., Beckers, J.-F., & Monniaux, D. (2009). Anti-mullerian hormone is an endocrine marker of ovarian gonadotropin-responsive follicles and can help to predict superovulatory responses in the cow. Biology of Reproduction, 80 (1), 50-59. doi:10.1095/biolreprod.108.072157
Peer Reviewed verified by ORBi

Serrano, B., Lopez-Gatius, F., Hunter, R., Santolaria, P., Garcia-Ispierto, I., Bech-Sabat, G., Melo de Sousa, N., Beckers, J.-F., & Yaniz, J. (2009). Anomalous Pregnancies during Late Embryonic/Early Foetal Period in High Producing Dairy Cows. Reproduction in Domestic Animals, 44 (4), 672-676. doi:10.1111/j.1439-0531.2007.01045.x
Peer Reviewed verified by ORBi

Garcia-Ispierto, I., Lopez-Gatius, F., Almeria, S., Yaniz, J., Santolaria, P., Serrano, B., Bech-Sabat, G., Nogareda, C., Sulon, J., Melo de Sousa, N., & Beckers, J.-F. (2009). Factors affecting plasma prolactin concentrations throughout gestation in high producing dairy cows. Domestic Animal Endocrinology, 36 (2), 57-66. doi:10.1016/j.domaniend.2008.10.004
Peer Reviewed verified by ORBi

Hanh, N. V., Huu, Q. X., Uoc, N. T., Sulon, J., Melo de Sousa, N., Nguyen, B. X., & Beckers, J.-F. (2009). Detection of placental lactogens in swamp buffalo by radioimmunoassay technique. Reproduction, Fertility and Development, 21 (1), 152-153. doi:10.1071/RDv21n1Ab105
Peer Reviewed verified by ORBi

Rizzo, H., François, D., Fassier, T., Guitton, E., Baril, G., Cognié, J., Fatet, A., Guignot, F., Mermillot, P., Petit, J., Beckers, J.-F., Remy, B., Foucras, G., & Meyer, G. (2009). Transferêcia de embrioes como ferramenta para formaçao de rebanho experimental ovino. Ciência Animal Brasileira, Suppl 1, 814-820.

Ponthier, J., Beckers, J.-F., & Deleuze, S. (2009). Microscopic study of equine oocyte maturation within quaternary follicles. Comptes Rendus de l'Académie Bulgare des Sciences, 62 (4), 491-498.
Peer Reviewed verified by ORBi

Szenci, O., Beckers, J.-F., & Taverne, M. A. M. (November 2008). Recent possibilities for diagnosing early pregnancy (EP) in small ruminants and pigs. Reproduction in Domestic Animals, 43 (5), 104.
Peer Reviewed verified by ORBi

Gonzalez, F., Rodriguez, N., Cognie, Y., Sulon, J., Poulin, N., Guignot, F., Touze, J. L., Baril, G., Cabrera, F., Batista, M., Mermillod, P., Beckers, J.-F., & Gracia, A. (October 2008). Comparison of pregnancy-associated glycoprotein and oestrone sulphate concentrations in recipient goats of in vitro produced embryos cultured in synthetic oviduct fluid (fresh and vitrified) or co-cultured with goat epithelial oviduct cells (vitrified). Reproduction in Domestic Animals, 43 (4), 55.
Peer Reviewed verified by ORBi

Bonnet-Garnier, A., Lacaze, S., Beckers, J.-F., Berland, H., Pinton, A., Yerle, M., & Ducos, A. (2008). Meiotic segregation analysis in cows carrying the t(1;29) Robertsonian translocation. Cytogenetic and Genome Research, 120, 91-96. doi:10.1159/000118744
Peer Reviewed verified by ORBi

Hanh, N. V., Huu, Q. X., Uoc, N., Sulon, J., Melo de Sousa, N., Nguyen, B. X., & Beckers, J.-F. (2008). Detection of placental lactogens in swamp buffalo by radioimmunoassay technique. Reproduction, Fertility and Development, 21 (1), 152-153.
Editorial reviewed

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein G-71 kDa [Fragment] from Bison bonasus placenta - Access number P85325. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106833.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein C-50 kDa [Fragment] from Bison bonasus placenta - Access number P85322. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106830.

Alvarez Oxiley, A. V., Melo de Sousa, N., & Beckers, J.-F. (2008). Native and recombinant bovine placental lactogens. Reproductive Biology, 8 (2), 85-106. doi:10.1016/S1642-431X(12)60006-0
Peer Reviewed verified by ORBi

Melo de Sousa, N., Beckers, J.-F., & Gajewski, Z. (2008). Current trends in follow-up of trophoblastic function in ruminant species. Journal of Physiology and Pharmacology, 59 Suppl 9, 65-74.
Peer Reviewed verified by ORBi

Ayad, A., Melo de Sousa, N., Iguer-Ouada, M., & Beckers, J.-F. (2008). Effect of parity on pregnancy-associated glycoprotein (PAG) levels measurement by radioimmunoassay in bovine. Preliminary results [Poster presentation]. 24nd Scientific Meeting of the European Embryo Transfer Association, Pau, France.

Bonnet-Garnier, A., Lacaze, S., Beckers, J.-F., Berland, H. M., Pinton, A., Yerle, M., & Ducos, H. (2008). Meiotic segregation analysis in cows heterozygous for the T(1;29) Robertsonian translocation. In Proceedings of the 24th Association of Embryo Technology in Europe (AETE) (pp. 132). Association of Embryo Technology in Europe.
Editorial reviewed

Melo de Sousa, N., Szenci, O., Taverne, M. A. M., Lopez-Gatius, F., & Beckers, J.-F. (2008). Pregnancy diagnosis in ruminant species. Reproduction in Domestic Animals, 43 (Suppl 5), 104.
Peer Reviewed verified by ORBi

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Unknown placental glycoprotein J2-45 kDa [Fragment] from Bison bonasus placenta - Access number P85329. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106837.

Zongo, M., Pitala, W., Sawadogo, L., Boly, H., Melo de Sousa, N., Sulon, J., & Beckers, J.-F. (2008). Plasma luteinizing hormone and progesterone concentrations in Azawak zebu cows submitted to different estrus synchronization protocols. Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 61 (3-4), 221-227.
Peer Reviewed verified by ORBi

Gajewski, Z., Melo de Sousa, N., Beckers, J.-F., Pawlinski, B., Olszewska, M., Thun, R., & Kleczkowski, M. (2008). Concentration of bovine pregnancy associated glycoprotein in plasma and milk: its application for pregnancy diagnosis in cows. Journal of Physiology and Pharmacology, 59 (Suppl 9), 55-64.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein H-60 kDa [Fragment] from Bison bonasus placenta - Access number P85326. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106834.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein E-55 kDa [Fragment] from Bison bonasus placenta - Access number P85323. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106831.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein C-50 kDa [Fragment] from Bison bonasus placenta - Access number P85321. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106829.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein I-50 kDa [Fragment] from Bison bonasus placenta - Access number P85327. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106835.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein F-50 kDa [Fragment] from Bison bonasus placenta - Access number P85324. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106832.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Unknown placental glycoprotein K-76 kDa [Fragment] from Bison bonasus placenta - Access number P85330. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106838.

Clerget, E., Melo de Sousa, N., Bella, A., Maghuin-Rogister, G., & Beckers, J.-F. (2008). Les glycoproteines placentaires chez les mammiferes. Annales d'Endocrinologie, 69, 18-29. doi:10.1016/j.ando.2007.10.003
Peer Reviewed verified by ORBi

Ayad, A., Melo de Sousa, N., Iguer-Ouada, M., & Beckers, J.-F. (2008). No effect of parity on concentrations of bovine pregnancy associated glycoprotein (PAG) measurement by radioimmunoassay [Paper presentation]. 12th Annual Conference of the European Society for Domestic Animal Reproduction, Utrecht, Netherlands.

Locatelli, Y., Poulin, N., Baril, G., Touze, J., Fatet, A., Beckers, J.-F., & Mermillod, P. (2008). In vitro maturation treatment affects developmental competence of laparoscopic ovum pickup-derived oocytes in follicle-stimulating hormone-stimulated goats. Reproduction, Fertility and Development, 20 (1), 182-183.
Peer Reviewed verified by ORBi

Bech-Sabat, G., Lopez-Gatius, F., Yaniz, J. L., Garcia-Ispierto, I., Santolaria, P., Serrano, B., Sulon, J., Melo de Sousa, N., & Beckers, J.-F. (2008). Factors affecting plasma progesterone in the early fetal period in high producing dairy cows. Theriogenology, 69 (4), 426-32. doi:10.1016/j.theriogenology.2007.10.012
Peer Reviewed verified by ORBi

Lamrani, F., Benyounes, A., Sulon, J., Khaldi, G., Rekik, G., Bouraoui, R., Beckers, J.-F., & Tahar, A. (2008). Effects of repeated use of PMSG on reproductive performances of the Ouled Djellal ewes. Research Journal of Animal Sciences, 2 (1), p. 22-30.

Ayad, A., Melo de Sousa, N., Iguer-Ouada, M., & Beckers, J.-F. (2008). Correlation between five radioimmunoassay systems for bovine pregnancy associated glycoprotein (PAG) [Poster presentation]. 12th Annual Conference of the European Society for Domestic Animal Reproduction, Utrecht, Netherlands.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., Vervaecke, H., Panasiewicz, G., & Szafranska, B. (01 January 2008). Isolation of pregnancy-associated glycoproteins of the American bison (Bison bison) at first half of pregnancy. General and Comparative Endocrinology, 155 (1), 164-175. doi:10.1016/j.ygcen.2007.04.011
Peer Reviewed verified by ORBi

Savela, H., Vahtiala, S., Lindeberg, H., Dahl, E., Ropstad, E., Beckers, J.-F., & Saarela, S. (2008). Comparison of transrectal ultrasound and plasma pregnancy-associated glycoprotein (PAG) as pregnancy tests of reindeer. In Proceedings of the 16th International Congress on Animal Reproduction (pp. 81).

Gajewski, Z., Melo de Sousa, N., Konopka, A. A., Beckers, J.-F., & Thun, R. (2008). Determination of PAG in the milk and blood in cow’s in comparison to other examination methods for pregnancy diagnosis. Magyar Allatorvosok Lapja, (Suppl II), 190.

Repasy, A., Melo de Sousa, N., Beckers, J.-F., Bella, A., & Szenci, O. (2008). Effect of different treatment protocols on ovulation and pregnancy rate in dairy cattle. Magyar Allatorvosok Lapja, (Suppl II), 314.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein A-67 kDa [Fragment] from Bison bonasus placenta - Access number P85319. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106827.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Pregnancy-Associated Glycoprotein B-55 kDa [Fragment] from Bison bonasus placenta - Access number P85320. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106828.

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2008). Unknown placental glycoprotein J1-45 kDa [Fragment] from Bison bonasus placenta - P85328. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106836.

Garmo, R. T., Refsdal, A. O., Karlberg, K., Ropstad, E., Waldmann, A., Beckers, J.-F., & Reksen, O. (2008). Pregnancy incidence in Norwegian red cows using nonreturn to estrus, rectal palpation, pregnancy-associated glycoproteins, and progesterone. Journal of Dairy Science, 91 (8), 3025-3033. doi:10.3168/jds.2007-0778
Peer Reviewed verified by ORBi

Barbato, O., Melo de Sousa, N., Klisch, K., Clerget, E., Debenedetti, A., Barile, V. L., Malfatti, A., & Beckers, J.-F. (2008). Isolation of new pregnancy-associated glycoproteins from water buffalo (Bubalus bubalis) placenta by Vicia villosa affinity chromatography. Research in Veterinary Science, 85 (3), 457-66. doi:10.1016/j.rvsc.2008.01.004
Peer Reviewed verified by ORBi

Chentouf, M., El Amiri, B., Sulon, J., Beckers, J.-F., Kirschvink, N., Boulanouar, B., & Bister, J. L. (2008). Pregnancy-associated glycoprotein secretion in North Moroccan goats. Reproduction in Domestic Animals, 43 (6), 696-700. doi:10.1111/j.1439-0531.2007.00973.x
Peer Reviewed verified by ORBi

Terroni, D., Melo de Sousa, N., Michiels, J.-A., & Beckers, J.-F. (2008). Dosage des pepsinogènes bovins A et C par RIA [Poster presentation]. Journée - Ecole Rennequin Sualem, Liège, Belgium.

Theau-Clément, M., Lebas, F., Beckers, J.-F., & Drion, P. (2008). Evolution of anti-eCG antibodies in response to eCG doses and number of injections. Relation with rabbit does productivity. Animal, 2 (5), 746-751. doi:10.1017/S1751731108001833
Peer Reviewed verified by ORBi

Arranz, J. M., Freret, S., Fidelle, F., Fatet, A., Druart, X., Beckers, J.-F., Sulon, J., Melo de Sousa, N., Bodin, L., David, I., Lagriffoul, G., Beltran de Heredia, I., Sasieta, L., Arrese, F., Maezty Sardina, F., Lana Soto, M. P., & Lasarte, M. (2008). Réussite à l'insémination en élevages ovins laitiers pyrénéens : facteurs de variantion liés aux conduites de troupeaux. In Proceedings de la 15e Journée sur les Rencontres de Recherche chez les Ruminants (pp. 359-362).

Guyot, H., Sulon, J., Beckers, J.-F., Closset, J., Lebreton, P., Alves de Oliveira, L., & Rollin, F. (November 2007). Development and validation of a radioimmunoassay for thyrotropin in cattle. Journal of Veterinary Diagnostic Investigation, 19 (6), 643-651. doi:10.1177/104063870701900605
Peer Reviewed verified by ORBi

Karen, A., Darwish, S., Ramoun, A., Tawfeek, K., Van Hanh, N., Melo de Sousa, N., Sulon, J., Szenci, O., & Beckers, J.-F. (November 2007). Accuracy of ultrasonography and pregnancy-associated glycoprotein test for pregnancy diagnosis in buffaloes. Theriogenology, 68 (8), 1150-1155. doi:10.1016/j.theriogenology.2007.08.011
Peer Reviewed verified by ORBi

Mourier, E., Ponthier, J., Beckers, J.-F., & Deleuze, S. (September 2007). Assessment of three ovulation induction protocols in mares (hCG, Buserelin and Crude Equine Gonadotropin). Reproduction in Domestic Animals, 42 (Suppl. 2), 76.
Peer Reviewed verified by ORBi

Prvanovic, N., Vince, S., Duricic, D., Beckers, J.-F., Sulon, J., Samardzija, M., Cergolj, M., Grizelj, J., & Tomaskovic, A. (September 2007). Influence of continuous breeding goats on return to cyclicity in seasonal breeding goats. Reproduction in Domestic Animals, 42, 139.
Peer Reviewed verified by ORBi

El Amiri, B., Karen, A., Sulon, J., Melo de Sousa, N., Alvarez-Oxiley, A. V., Cognié, Y., Szenci, O., & Beckers, J.-F. (June 2007). Measurement of ovine pregnancy-associated glycoprotein (PAG) during early pregnancy in Lacaune sheep. Reproduction in Domestic Animals, 42 (3), 257-262. doi:10.1111/j.1439-0531.2006.00761.x
Peer Reviewed verified by ORBi

Lopez-Gatius, F., Hunter, R. H. F., Garbayo, J. M., Santolaria, P., Yaniz, J., Serrano, B., Ayad, A., Melo de Sousa, N., & Beckers, J.-F. (May 2007). Plasma concentrations of pregnancy-associated glycoprotein-1 (PAG-1) in high producing dairy cows suffering early fetal loss during the warm season. Theriogenology, 67 (8), 1324-1330. doi:10.1016/j.theriogenology.2007.02.004
Peer Reviewed verified by ORBi

Salvetti, P., Theau-Clement, M., Beckers, J.-F., Hurtaud, J., Guerin, P., Neto, V., Falieres, J., & Joly, T. (01 April 2007). Effect of the luteinizing hormone on embryo production in superovulated rabbit does. Theriogenology, 67 (6), 1185-1193. doi:10.1016/j.theriogenology.2007.01.013
Peer Reviewed verified by ORBi

Alvarez-Oxiley, A. V., Melo de Sousa, N., Hornick, J.-L., Touati, K., van der Weijden, G. C., Taverne, M. A. M., Szenci, O., Sulon, J., Debliquy, P., & Beckers, J.-F. (2007). Radioimmunoassay of bovine placental lactogen using recombinant and native preparations: determination of fetal concentrations across gestation. Reproduction, Fertility and Development, 19 (7), 877-885. doi:10.1071/RD06173
Peer Reviewed verified by ORBi

Prvanović, N., Vince, S., Đuričić, D., Beckers, J.-F., Sulon, J., Samardžija, M., Cergolj, M., Grizelj, J., & Tomašković, A. (2007). Influence of continous breeding goats on return to cyclicity in seasonal breeding goats. Reproduction in Domestic Animals, 42 (2), 139.
Peer Reviewed verified by ORBi

Lopez-Gatius, F., Almeria, S., Donofrio, G., Nogareda, C., Garcia-Ispierto, I., Bech-Sabat, G., Santolaria, P., Yaniz, J. L., Paben, M., Melo de Sousa, N., & Beckers, J.-F. (2007). Protection against abortion linked to gamma interferon production in pregnant dairy cows naturally infected with Neospora caninum. Theriogenology, 68 (7), 1067-1073. doi:10.1016/j.theriogenology.2007.08.006
Peer Reviewed verified by ORBi

Ayad, A., Melo de Sousa, N., Sulon, J., Iguer-Ouada, M., & Beckers, J.-F. (2007). Comparison of five radioimmunoassay systems for PAG measurement: Ability to detect early pregnancy in cows. Reproduction in Domestic Animals, 42 (4), 433-440. doi:10.1111/j.1439-0531.2006.00804.x
Peer Reviewed verified by ORBi

Idrissa-Sidikou, D., Remy, B., Dufrasne, I., Cabaraux, J.-F., Borceux, J.-P., & Beckers, J.-F. (2007). Development of a radioimmunoassay for bovine chymosin B. Tropicultura, 25 (3), 134-139.
Peer Reviewed verified by ORBi

Barbato, O., Merlo, M., Melo de Sousa, N., Trentin, E., Beckers, J.-F., & Gabai, G. (2007). Relationship between progesterone and pregnancy-associated glycoprotein concentrations in the maternal circulation during early pregnancy in dairy cows. In Proceedings of the 23rd Scientific Meeting of the European Embryo Transfer Association.

Melo de Sousa, N., Barbato, O., Bella, A., Alvarez Oxiley, A. V., Sulon, J., Debenedetti, A., & Beckers, J.-F. (2007). The Pregnancy-Associated Glycoproteins: Biochemical Aspects and Clinical Application for Pregnancy Follow-up [Paper presentation]. VII Congresso de la Societá Italiana di Fisiologia Veterinaria, Silvi Marina (Teramo), Italy.

Bonnet-Garnier, A., Lacaze, S., Beckers, J.-F., Berland, H. M., Pinton, A., Yerle, M., & Ducos, A. (2007). Meiotic segregation analysis in cow heterozygotes for the t(1;29) Robertsonian translocation. Chromosome Research, 15 (2), 87.
Peer Reviewed verified by ORBi

Lopez-Gatius, F., Garbayo, J. M., Santolaria, P., Yaniz, J. L., Almeria, S., Ayad, A., Melo de Sousa, N., & Beckers, J.-F. (2007). Plasma pregnancy-associated glycoprotein-1 (PAG-1) concentrations during gestation in Neospora-infected dairy cows. Theriogenology, 67 (3), 502-8. doi:10.1016/j.theriogenology.2006.08.014
Peer Reviewed verified by ORBi

Hanh, N., Huu, Q., Uoc, N., Nguyen, B., Sulon, J., Melo de Sousa, N., & Beckers, J.-F. (2007). Estrus synchronization, artificial insemination, and pregnancy diagnosis in water buffaloes (Bubalus bubalis). Reproduction, Fertility and Development, 19 (1), 198. doi:10.1071/RDv19n1Ab162
Peer Reviewed verified by ORBi

Rico, C., Fabre, S., Bontoux, M., Touze, J. L., Remy, B., Beckers, J.-F., Di Clemente, N., & Monniaux, D. (2007). Hormone Anti-Müllérienne (AMH) et réponse à un traitement de superovulation chez la vache Anti-Mullerian Hormone (AMH) and superovulatory response in the cow. In Proceedings 14e Rencontres Recherches des Ruminants (pp. 376). Institut de l'Élevage - Idele.fr.
Editorial reviewed

Guyot, H., Lebreton, P., Alves de Oliveira, L., Sulon, J., Beckers, J.-F., & Rollin, F. (2007). Thyrotropin in newborn calves as a tool for diagnosing hypothyroidism. Cattle Practice, 15 (Part 3), 271-275.
Peer reviewed

Ayad, A., Melo de Sousa, N., Sulon, J., Hornick, J.-L., Watts, J., Lopez-Gatius, F., Iguer-Ouada, M., & Beckers, J.-F. (2007). Influence of progesterone concentrations on secretory functions of trophoblast and pituitary during the first trimester of pregnancy in dairy cattle. Theriogenology, 67 (9), 1503-1511. doi:10.1016/j.theriogenology.2007.03.010
Peer Reviewed verified by ORBi

Lopez-Gatius, F., Garbayo, J. M., Santolaria, P., Yaniz, J., Ayad, A., Melo de Sousa, N., & Beckers, J.-F. (January 2007). Milk production correlates negatively with plasma levels of pregnancy-associated glycoprotein (PAG) during the early fetal period in high producing dairy cows with live fetuses. Domestic Animal Endocrinology, 32 (1), 29-42. doi:10.1016/j.domaniend.2005.12.007
Peer Reviewed verified by ORBi

Taverne, M. A. M., van der Weijden, G. C., Jonker, F. H., Szenci, O., & Beckers, J.-F. (2007). Approaches to unravel the pathophysiological background of unexplained perinatal mortality in dairy cows. Reproduction in Domestic Animals, 42 (Suppl. 2), 64.
Peer Reviewed verified by ORBi

Barbato, O., Melo de Sousa, N., Debenedetti, A., & Beckers, J.-F. (2007). Pregnancy-Associated Glycoprotein 62 [Fragment] from Bubalus bubalis placenta - Access number P85050. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106842.

Barbato, O., Melo de Sousa, N., Debenedetti, A., & Beckers, J.-F. (2007). Pregnancy-Associated Glycoprotein 70 [Fragment] from Bubalus bubalis placenta - Access number P85049. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106841.

Ayad, A., Melo de Sousa, N., Bella, A., Iguer-Ouada, M., & Beckers, J.-F. (2007). Pregnancy-associated glycoprotein (PAG) concentrations during the post partum period in four non-pregnant cows [Poster presentation]. The Life Science Summit, Aachen, Germany.

Bella, A., Melo de Sousa, N., Dehimi, M. L., Watts, J., & Beckers, J.-F. (2007). Western analyses of pregnancy-associated glycoprotein family (PAG) in placental extracts of various mammals. Theriogenology, 68 (7), 1055-1066. doi:10.1016/j.theriogenology.2007.08.002
Peer Reviewed verified by ORBi

Barbato, O., Melo de Sousa, N., Debenedetti, A., & Beckers, J.-F. (2007). Pregnancy-Associated Glycoprotein 75 [Fragment] from Bubalus bubalis placenta - Access number P85048. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106839.

Boutet, P., Sulon, J., Closset, R., Detilleux, J., Beckers, J.-F., Bureau, F., & Lekeux, P. (2007). Prolactin-induced activation of nuclear factor kappa B in bovine mammary epithelial cells: Role in chronic mastitis. Journal of Dairy Science, 90 (1), 155-164. doi:10.3168/jds.S0022-0302(07)72617-6
Peer Reviewed verified by ORBi

Karen, A., El Amiri, B., Beckers, J.-F., Sulon, J., Taverne, M. A. M., & Szenci, O. (15 July 2006). Comparison of accuracy of transabdominal ultrasonography, progesterone and pregnancy-associated glycoproteins tests for discrimination between single and multiple pregnancy in sheep. Theriogenology, 66 (2), 314-322. doi:10.1016/j.theriogenology.2005.11.017
Peer Reviewed verified by ORBi

Sidikou, D. I., Banga-Mboko, H., Tamboura, H. H., Hornick, J.-L., Remy, B., & Beckers, J.-F. (June 2006). Correlation between a proteolytic method and a radioimmunoassay for porcine serum pepsinogen concentrations. Research in Veterinary Science, 80 (3), 260-266. doi:10.1016/j.rvsc.2005.06.004
Peer Reviewed verified by ORBi

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2006). Pregnancy-Associated Glycoprotein 72 [Fragment] from Bison bison placenta - Access number P84916. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106824.

Othmani-Mecif, K., Benazzoug, Y., Jacob, M. P., & Beckers, J.-F. (2006). Variations in plasma matrix metalloproteinases and placental pregnancy-associated glycoproteins during gestation in rabbits (Oryctolagus cuniculus). World Rabbit Science, 14 (1, JAN-MAR), 39-50.
Peer reviewed

Karen, A., Kovacs, P., Beckers, J.-F., Sulon, J., & Szenci, O. (2006). Plasma urea nitrogen and phosphorus in relation to pregnancy rate in dairy sheep. In Proceedings of the 24th World Buiatrics Congress (pp. 077).

Ayad, A., Melo de Sousa, N., Hornick, J.-L., Touati, K., Iguer-Ouada, M., & Beckers, J.-F. (2006). Endocrinology of pregnancy in the cow: embryonic signals, placental hormones and proteins. Annales de Médecine Vétérinaire, 150 (4), 212-226.
Peer Reviewed verified by ORBi

Humblet, M.-F., Melo de Sousa, N., Boutet, Beckers, J.-F., Godeau, J. M., & Alvarez Oxiley, A. V. (2006). A preliminary study of serum haptoglobin in bovine fetal blood. In Proceedings of the 6th European Colloquium on Acute Phase Proteins.

Melo de Sousa, N., Ayad, A. H., Beckers, J.-F., & Gajewski, Z. (2006). PAG as a pregnancy marker in the ruminant. Journal of Physiology and Pharmacology, 57 (Suppl. 2), 111.
Editorial reviewed

Guignot, F., Poulin, N., Baril, G., Cognié, J., Bouttiers, A., Beckers, J.-F., Touze, A., & Mermillot, P. (2006). Amélioration de la survie embryonnaire après transfert d’embryons caprins produits in vitro et vitrifiés grâce à un développement sur tapis de cellules d’oviductes bovines. In Proceedings 13e Rencontres Recherches des Ruminants (pp. 297). Paris, France: Institut de l'Élevage - Idele.fr.
Editorial reviewed

Hanh, N. V., Huu, Q. X., Uoc, N. T., Nguyen, B. X., Sulon, J., Melo de Sousa, N., & Beckers, J.-F. (2006). Estrus synchronization, artificial insemination and pregnancy diagnosis in water buffaloes (Bubalus bubalis). Reproduction, Fertility and Development, 19 (1), 198.
Editorial reviewed

Chavatte-Palmer, P., Melo de Sousa, N., Laigre, P., Camous, S., Ponter, A. A., Beckers, J.-F., & Heyman, Y. (2006). Ultrasound fetal measurements and pregnancy associated glycoprotein secretion in early pregnancy in cattle recipients carrying somatic clones. Theriogenology, 66 (4), 829-840. doi:10.1016/j.theriogenology.2006.01.061
Peer Reviewed verified by ORBi

Klisch, K., Boos, A., Friedrich, M., Herzog, K., Feldmann, M., Melo de Sousa, N., Beckers, J.-F., LeiseR, R., & Schuler, G. (2006). The glycosylation of pregnancy-associated glycoproteins and prolactin-related protein-I in bovine binucleate trophoblast giant cells changes before parturition. Reproduction, 132, 791-798. doi:10.1530/REP-06-0040
Peer Reviewed verified by ORBi

Benyounes, A., Lamrani, F., Melo de Sousa, N., Sulon, J., Folch, J., Beckers, J.-F., & Guellati, M. A. (2006). Suivi de la gestation chez la brebis Ouled Djellal par dosage de la protéine associée a la gestation et de la progestérone. Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 59 (1-4), 65-73.
Peer Reviewed verified by ORBi

Touati, K., Melo de Sousa, N., Van der Weijden, G. C., Taverne, M. A. M., Szenci, O., & Beckers, J.-F. (2006). Cannulation of bovine fetuses for a long period blood collection: the chirurgical approach. In Proceedings: 24th World Buiatrics Congress.
Peer reviewed

López-Gatius, F., Garbayo, J. M., Serrano, B., Santolaria, P., Yániz, J., Almería, S., Ayad, A., Melo de Sousa, N., & Beckers, J.-F. (2006). Breed-cross pregnancies increased plasmatic pregnancy-associated glycoprotein (PAG) concentration in pregnant Neospora-seropositive dairy cows. Reproduction in Domestic Animals, 41 (suppl 2), 112.
Peer Reviewed verified by ORBi

Boutet, P., Sulon, J., Detilleux, J., Beckers, J.-F., Bureau, F., & Lekeux, P. (2006). Prolactine triggers a pro-inflamatory response in bovine mammary epithelial cells. In Proceedings: 24th World Buiatrics Congress (pp. 19-3).
Peer reviewed

Bella, A., Melo de Sousa, N., & Beckers, J.-F. (2006). The pregnancy-associated glycoproteins expressed in epitheliochorial placenta: new investigations by Western blot technique [Poster presentation]. 10e Journée de Rencontre Bioforum, Liège, Belgium.

Melo de Sousa, N., Ayad, A., Beckers, J.-F., & Gajewski, Z. (2006). Pregnancy-Associated Glycoproteins (Pag) as Pregnancy Markers in the Ruminants. Journal of Physiology and Pharmacology, 57 (Suppl 8), 153-71.
Peer Reviewed verified by ORBi

Ledezma-Torres, R. A., Beckers, J.-F., & Holtz, W. (2006). Assessment of plasma profile of pregnancy-associated glycoprotein (PAG) in sheep with a heterologous (anti-caPAG(55+59)) RIA diagnosing and its potential for pregnancy. Theriogenology, 66 (4), 906-912. doi:10.1016/j.theriogenology.2006.02.031
Peer Reviewed verified by ORBi

Guignot, F., Bouttier, A., Baril, G., Salvetti, P., Pignon, P., Beckers, J.-F., Touze, J. L., Cognié, J., Traldi, A. S., Cognié, Y., & Mermillod, P. (2006). Improved vitrification method allowing direct transfer of goat embryos. Theriogenology, 66 (4), 1004-1011. doi:10.1016/j.theriogenology.2006.02.040
Peer Reviewed verified by ORBi

Prvanović, N., Beckers, J.-F., Sulon, J., Tomašković, A., Cergolj, M., Dobranić, T., Grizelj, J., Samardžija, M., Vince, S., & Kočila, P. (2006). Comparison of ultrasound and pregnancy associated glycoproteins to diagnose and follow ongoing or failing pregnancy in pregnant heifers on the market. Slovenian Veterinary Research, 43 (10), 41-43.
Peer Reviewed verified by ORBi

Ayad, A., Melo de Sousa, N., Sulon, J., Clerget, E., Iguer-ouada, M., & Beckers, J.-F. (2006). Specificity of different RIA systems for measurement of bovine pregnancy associated glycoproteins against carbohydrates and placental hormones [Poster presentation]. 10e Journée de Rencontre Bioforum, Liège, Belgium.

Barbato, O., Melo de Sousa, N., Klisch, K., Clerget, E., Debenedetti, A., Barile, V. L., Malfatti, A., & Beckers, J.-F. (2006). Isolation of PAG from buffalo (Bubalus bubalis) placenta [Poster presentation]. Congress of the Society for Reproduction and Fertility.

Guyot, H., Uyttenhoef, A., Lebreton, P., Radigue, P.-E., Beckers, J.-F., Sulon, J., Vandeputte, S., Humblet, M.-F., & Rollin, F. (2006). Tools to assess iodine deficiency in calves born from deficient and non deficient dams [Poster presentation]. XXIV World Buiatrics Congress, Nice, France.

Klisch, K., Herzog, K., Feldmann, M., Schuler, G., Friedrich, M., Holtz, W., Melo de Sousa, N., & Beckers, J.-F. (2006). The Glycosylation of Bovine Pregnancy-Associated Glycoproteins Changes before Parturition. Reproduction in Domestic Animals.
Peer Reviewed verified by ORBi

Klisch, K., Melo de Sousa, N., Beckers, J.-F., Schuler, G., & Leiser, R. (2006). From lectin-histochemistry to pregnancy diagnosis by lectin-ELISA: applications of lectins for the characterisation of bovine pregnancy-associated glycoprotein. In Proceedings of the XXVIth Congress of the European Association of Veterinary Anatomists (pp. 53).

Taverne, M. A. M., Regeling, J. I., Sulon, J., & Beckers, J.-F. (2006). Effects of a single injection of a progesterone receptor antagonist during the third month of gestation in sheep. Reproduction in Domestic Animals, 41 (4), 310.
Peer Reviewed verified by ORBi

Lobago, F., Gustafsson, H., Bekana, M., Beckers, J.-F., & Kindahl, H. (2006). Clinical features and hormonal profiles of cloprostenol-induced early abortions in heifers monitored by ultrasonography. Acta Veterinaria Scandinavica, 48 (23), 1-9. doi:10.1186/1751-0147-48-23
Peer Reviewed verified by ORBi

Haugejorden, G., Waage, S., Dahl, E., Karlberg, K., Beckers, J.-F., & Ropstad, E. (2006). Pregnancy associated glycoproteins (PAG) in postpartum cows, ewes, goats and their offspring. Theriogenology, 66 (8), 1976-1984. doi:10.1016/j.theriogenology.2006.05.016
Peer Reviewed verified by ORBi

Szenci, O., Takacs, E., Sulon, J., Melo de Sousa, N., & Beckers, J.-F. (2006). Evaluation of GnRH treatment 12 days after AI in the reproductive performance of dairy cows. Theriogenology, 66 (8), 1811-1815. doi:10.1016/j.theriogenology.2006.04.034
Peer Reviewed verified by ORBi

Kiewisz, J., Melo de Sousa, N., Beckers, J.-F., & Szafranska, B. (2006). Pregnancy-Associated Glycoprotein 76 [Fragment] from Bison bison placenta - Access number P84918. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106826.

Ayad, A., Melo de Sousa, N., Sulon, J., Iguer-Ouada, M., & Beckers, J.-F. (2006). The ability of five radioimmunoassay systems to detect early pregnancy-associated glycoprotein in bovine plasma [Poster presentation]. 22nd Scientific Meeting of the European Embryo Transfer Association, Zug, Switzerland.

Alvarez Oxiley, A. V., Melo de Sousa, N., Sulon, J., & Beckers, J.-F. (2006). Fetal profiles of bovine placental lactogen (PL) and insulin like growth factors (IGF-I and IGF–II) through the late gestation [Poster presentation]. 10e Journée de Rencontre Bioforum, Liège, Belgium.

Bella, A., Melo de Sousa, N., & Beckers, J.-F. (2006). The pregnancy-associated glycoproteins expressed in epitheliochorial placenta: new investigations by Western blot technique [Poster presentation]. 10e Journée de Rencontre Bioforum, Liège, Belgium.

Ayad, A., Melo de Sousa, N., Sulon, J., Iguer-Ouada, M., & Beckers, J.-F. (2006). Progesterone, luteinizing hormone, prolactin and pregnancy-associated glycoproteins during the first trimester pregnancy in cattle [Poster presentation]. 22nd Scientific Meeting of the European Embryo Transfer Association, Zug, Switzerland.

Kiewisz, J., Melo de Sousa, N., & Beckers, J.-F. (2006). Pregnancy-Associated Glycoprotein 74 [Fragment] from Bison bison placenta - Access number P84917. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106825.

Drion, P., Beckers, J.-F., Derivaux, J., Hanzen, C., & Ectors Francis. (2005). Physiologie de la Reproduction animale TOME 2 (de 3)-205 pages. (ULiège - Université de Liège, VETE0070-1).

Drion, P., Beckers, J.-F., Derivaux, J., Hanzen, C., & Ectors, F. (2005). Physiologie de la Reproduction animale TOME 1 (de 3)- 187 pages. (ULiège - Université de Liège, VETE0070-1).

Breukelman, S. P., Szenci, O., Beckers, J.-F., Kindahl, H., Mulder, E. J. H., Jonker, F. H., van der Weijden, B., Revy, D., Pogany, K., Sulon, J., Nemedi, I., & Taverne, M. A. M. (01 September 2005). Ultrasonographic appearance of the conceptus, fetal heart rate and profiles of pregnancy-associated glycoproteins (PAG) and prostaglandin F-2 alpha-metabolite (PGF(2 alpha)-metabolite) after induction of fetal death with aglepristone during early gestation in cattle. Theriogenology, 64 (4), 917-933. doi:10.1016/j.theriogenology.2004.12.016
Peer Reviewed verified by ORBi

Drion, P., Beckers, J.-F., Derivaux, J., Hanzen, C., & Ectors Francis. (2005). Physiologie de la Reproduction animale TOME 3 (de 3) - 207 pages. (ULiège - Université de Liège, VETE0070-1).

Majewska, M., Panasiewicz, G., Dabrowski, M., Gizejewski, Z., Beckers, J.-F., & Szafrańska, B. (July 2005). Multiple forms of Pregnancy-Associated Glycoproteins released in vitro by porcine chorion or placentomal and interplacentomal explants of wild and domestic ruminants. Reproductive Biology, 5 (2), 185 - 203.
Peer Reviewed verified by ORBi

Repasi, A., Beckers, J.-F., Sulon, J., Karen, A., Reiczigel, J., & Szenci, O. (2005). Effect of the type and number of prostaglandin treatments on corpus luteum, the largest follicle and progesterone concentration in dairy cows. Reproduction in Domestic Animals, 40 (5), 436-442. doi:10.1111/j.1439-0531.2005.00610.x
Peer Reviewed verified by ORBi

Sidikou, I. D., Remy, B., & Beckers, J.-F. (2005). Development of a Radioimmunoassay for Bovine Pepsinogen A. Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 58 (4), 229-235.
Peer Reviewed verified by ORBi

Karen, A., Beckers, J.-F., Sulon, J., Kovacs, P., Reiczigel, J., & Szenci, O. (2005). Early pregnancy detection in sheep. Secondary communication.

Friedrich, M., Kuwer, A., Beckers, J.-F., & Holtz, W. (2005). Suitability of bovine pregnancy-associated glycoprotein (bPAG-1) for early pregnancy diagnosis in cows [Poster presentation]. European Society for Domestic Animal Reproduction (ESDAR), Murcia, Spain.

Heyman, Y., Chavatte-Palmer, P., Melo de Sousa, N., Constant, F., Guillomot, M., Vignon, X., & Beckers, J.-F. (2005). Pregnancy-associated glycoprotein (PAG) profiles during the peri-implantation period in recipients carrying bovine somatic clones: preliminary results [Poster presentation]. 31st Annual Conference of the International Embryo Transfer Society (IETS), Copenhagen, Denmark.

Repasi, A., Beckers, J.-F., Sulon, J., Reiczigel, J. É., & Szenci, O. (2005). Prosztaglandin kezelés hatása a sárgatestre, a plasma progeszteron koncentrációra és a graaf-féle tüszöre. In O. Szenci, E. Brydl, ... V. Jurkovich, Proceedings: 16.Magyar Buiatrikus Kongresszus - The effect of herd health of cattle, sheep and goat on the profitable production (pp. 47-55). Hungary: Magyar Buiatrics.
Peer reviewed

Beckers, J.-F. (2005). Méthode de diagnostic de la gestation chez les ruminants. Sillon Belge.

Vandaele, L., Verberckmoes, S., El Amiri, B., Sulon, J., Duchateau, L., Van Soom, A., Beckers, J.-F., & de Kruif, A. (2005). Use of a homologous radioimmunoassay (RIA) to evaluate the effect of maternal and foetal parameters on pregnancy-associated glycoprotein (PAG) concentrations in sheep. Theriogenology, 63 (7), 1914-1924. doi:10.1016/j.theriogenology.2004.08.009
Peer Reviewed verified by ORBi

Pitala, W., Zongo, M., Boly, H., Coulibali, I., Ba, Y., Melo de Sousa, N., Leroy, P., Beckers, J.-F., & Sawadogo, L. (2005). Induction des chaleurs chez le zebu Goudali : observation de l’oestrus et insémination artificielle.

Idrissa-Sidikou, D., Remy, B., Gerardin-Otthiers, N., Joris, B., & Beckers, J.-F. (2005). Bovine pepsinogen A: Isolation and parial characterization of isoforms with high activity. Journal of Animal and Veterinary Advances.
Peer Reviewed verified by ORBi

Klisch, K., Melo de Sousa, N., Beckers, J.-F., Leiser, R., & Pich, A. (2005). Pregnancy associated glycoprotein-1,-6,-7, and-17 are major products of bovine binucleate trophoblast giant cells at midpregnancy. Molecular Reproduction and Development, 71 (4), 453-460. doi:10.1002/mrd.20296
Peer Reviewed verified by ORBi

Ropstad, E., Veiberg, V., Sakkinen, H., Dahl, E., Kindahl, H., Holand, O., Beckers, J.-F., & Eloranta, E. (2005). Endocrinology of pregnancy and early pregnancy detection by reproductive hormones in reindeer (Rangifer tarandus tarandus). Theriogenology, 63 (6), 1775-1788. doi:10.1016/j.theriogenology.2004.08.003
Peer Reviewed verified by ORBi

Friedrich, M., Kuwer, A., Beckers, J.-F., & Holtz, W. (2005). Suitability of bovine pregnancy-associated glycoprotein (bPAG-1) for early pregnancy diagnosis in cows. Reproduction in Domestic Animals, 40 (4), 274.
Peer Reviewed verified by ORBi

Szafranska, B., Panasiewicz, G., Dabrowski, M., Majewska, M., Gizejewski, Z., & Beckers, J.-F. (2005). Chorionic mRNA expression and N-glycodiversity of pregnancy-associated glycoprotein family (PAG) of the European bison (Bison bonasus). Animal Reproduction Science, 88 (3-4), 225-243. doi:10.1016/j.anireprosci.2004.12.013
Peer Reviewed verified by ORBi

Sidikou, I. D., Remy, B., Hornick, J.-L., Losson, B., Duquesnoy, N., Yenikoye, A., & Beckers, J.-F. (2005). Bovine pepsinogen and Prochymosin : Current knowledge, applications and outlines in the management of gastrointestinal worms. Annales de Médecine Vétérinaire, 149 (4), 213-228.
Peer Reviewed verified by ORBi

Repasi, A., Beckers, J.-F., Sulon, J., Reiczigel, J., & Szenci, O. (2005). Prosztaglandin kezeles hat asa a sargatestre, a plazma progeszteron koncentraci6ra es a graaf-pele tuszre. In Proceedings of 16th Magyar Buiatrikus Kongresszus (pp. 47-55). Magyar Buiatrikus.
Editorial reviewed

Poulin, N., Cognié, Y., Baril, G., Touzé, J. L., Soler, A., Beckers, J.-F., & Mermillod, P. (2005). The viability of in vitro produced sheep embryos is negatively affected by the presence of estradiol during in vitro maturation. Reproduction in Domestic Animals, 40 (4), 92.
Peer Reviewed verified by ORBi

Breukelman, S. P., Perenyi, Z., de Ruigh, L., van Wagtendonk-de Leeuw, A. M., Jonker, F. H., Vernooij, J. C. M., Beckers, J.-F., van der Weijden, G. C., Vos, P., Dieleman, S. J., & Taverne, M. A. M. (2005). Plasma concentrations of bovine pregnancy-associated glycoprotein (bPAG) do not differ during the first 119 days between ongoing pregnancies derived by transfer of in vivo and in vitro produced embryos. Theriogenology, 63 (5), 1378-1389. doi:10.1016/j.theriogenology.2004.07.008
Peer Reviewed verified by ORBi

Heyman, Y., Chavatte-Palmer, P., Melo de Sousa, N., Constant, F., Guillomot, M., Vignon, X., & Beckers, J.-F. (2004). Pregnancy-Associated Glycoprotein (PAG) profiles during the peri-implantation period in recipients carrying bovine somatic clones: preliminary results. Journal of Reproduction and Fertility. Abstract Series, 17 (2), 168–169.
Peer reviewed

Pitala, W., Boly, H., Coulibaly, I., Melo de Sousa, N., Sawadogo, L., Leroy, P., & Beckers, J.-F. (2004). Application de l'échographie à l'étude de la dynamique folliculaire à l'oestrus induit chez les femelles zébu "Goudali". Tropicultura, 22 (3), 110-115.
Peer Reviewed verified by ORBi

Touati, K., Melo de Sousa, N., Gangl, M., Alvarez-Oxiley, A. V., Revy, D., Van der Weijden, G. C., Taverne, M. A. M., Serteyn, D., & Beckers, J.-F. (2004). Investigation on prenatal endocrinology: preliminary results on long term catheterisation of bovine foetuses. Reproduction. Abstract Series, 31, 26.
Peer reviewed

Baril, G., Cognié, Y., Belloc, J. P., Briois, M., Pollin, N., Bouttier, A., Pougnard, J. L., Vellet, J. C., Leboeuf, B., Remy, B., Beckers, J.-F., & Mermillod, P. (2004). Effet de prétraitements agoniste et antagoniste de GnRH sur la production d’embryons chez la brebis et la chèvre. In Proceedings: 11e Rencontres autour des Recherches sur les Ruminants (3R) (pp. 373-376).
Peer reviewed

Vandaele, L., Verberckmoes, S., Van Soom, A., El Amiri, B., Duchateau, L., Sulon, J., & Beckers, J.-F. (2004). Ovine pregnancy-associated glycoprotein profiles in ewes pregnant with singletons or twins. Reproduction in Domestic Animals, 39 (4), 278.
Peer Reviewed verified by ORBi

Gajewski, Z., Beckers, J.-F., Melo de Sousa, N., & Thun, R. (2004). Use of pregnancy specific proteins, P4, PGFM and E1S assays to monitor pregnancy in sheep. Reproduction in Domestic Animals, 39 (4), 288.
Peer Reviewed verified by ORBi

Vandaele, L., Verberckmoes, S., De Cat, S., El Amiri, B., Sulon, J., Duchateau, L., Van Soom, A., & Beckers, J.-F. (2004). Use of heterologous and homologous radioimmunoassay (RIA) for ovine pregnancy-associated glycoprotein (ovPAG) determination to detect pregnancy in sheep. Reproduction. Abstract Series, 31, 011.
Peer reviewed

Tomašković, A., Prvanović, N., Beckers, J.-F., Sulon, J., Cergolj, M., Getz, J., Grizelj, J., Samardźija, M., & Karadjole, T. (2004). PAG és progeszteron profilok alalkulás in vitro embrióbeültetést követõ vemhességnel hormanális stimuláció és petesejt kinyerés után tehenekben. In Proceedings: The 5th Middle-European Buiatrics Congress (pp. 707-712).
Peer reviewed

Szenci, O., & Beckers, J.-F. (2004). Embrionális mortalitás diagnosztikai lehetőségei szarvasmarhában. In Proceedings : 5th Middle-European Buiatrics Congress (pp. 155-157).

Beckers, J.-F., Touati, K., Alvarez-Oxiley, A. V., & Melo de Sousa, N. (2004). Embryonic signals and pregnancy diagnosis in ruminants. Reproduction in Domestic Animals, 39 (4), 252.
Peer Reviewed verified by ORBi

Metelo, R., Silva, S., Sulon, J., Beckers, J.-F., & Moreira da Silva, F. (2004). Determination of pregnancy-associated glycoproteins (bPAG) in cow’s milk. In Proceedings: 23rd World Buiatrics Congress, Québec, Canada.
Peer reviewed

Karen, A., Szabados, K., Reiczigel, J., Beckers, J.-F., & Szenci, O. (2004). Accuracy of transrectal ultrasonography for determination of pregnancy in sheep: effect of fasting and handling of the animals. Theriogenology, 61 (7-8), 1291-1298. doi:10.1016/j.theriogenology.2003.07.018
Peer Reviewed verified by ORBi

Alvarez-Oxiley, A. V., Melo de Sousa, N., Touati, K., Revy, D., Van der Weijden, G. C., Taverne, M. A. M., Hornick, J.-L., & Beckers, J.-F. (2004). Radioimmunoassay of bovine placental lactogen (bPL) using an antiserum raised in guinea pigs: measurement in foetal plasma.

Kornmatitsuk, B., Dahl, E., Ropstad, E., Beckers, J.-F., Gustafsson, H. G., & Kindahl, H. (2004). Endocrine profiles, haematology and pregnancy outcomes of late pregnant Holstein dairy heifers sired by bulls giving a high or low incidence of stillbirth. Acta Veterinaria Scandinavica, 45 (1-2), 47-68. doi:10.1186/1751-0147-45-47
Peer Reviewed verified by ORBi

Breukelman, S. P., Reinders, J. M. C., Jonker, F. H., de Ruigh, L., Kaal, L., van Wagtendonk-de Leeuw, A. M., Vos, P., Dieleman, S. J., Beckers, J.-F., Perenyi, Z., & Taverne, M. A. M. (2004). Fetometry and fetal heart rates between Day 35 and 108 in bovine pregnancies resulting from transfer of either MOET, IVP-co-culture or IVP-SOF embryos. Theriogenology, 61 (5), 867-882. doi:10.1016/j.theriogenology.2003.07.001
Peer Reviewed verified by ORBi

Karen, A., Beckers, J.-F., Sulon, J., Kocács, P., Reicziegel, J., & Szenci, O. (2004). A juhok korai vemhességének megállapítása. In Proceedings: The 5th Middle-European Buiatrics Congress (pp. 677-681).

Baril, G., Pougnard, J. L., Leboeuf, B., Forgerit, Y., Guignot, F., Touze, J. L., & Beckers, J.-F. (2004). Kidding and embryo survival rate after traditional or direct transfer of frozen/thawed goat embryons. In Proceedings of the 15th International Congress on Animal Reproduction (pp. 405).

Gonzalez, F., Cabrera, F., Batista, M., Rodriguez, N., Alamo, D., Sulon, J., Beckers, J.-F., & Gracia, A. (2004). A comparison of diagnosis of pregnancy in the goat via transrectal ultrasound scanning, progesterone, and pregnancy-associated glycoprotein assays. Theriogenology, 62 (6), 1108-1115. doi:10.1016/j.theriogenology.2003.12.009
Peer Reviewed verified by ORBi

Szenci, O., Taverne, M. A. M., & Beckers, J.-F. (2004). New possibilities for the diagnosis of early pregnancy (EP) and late embryonic mortality (LEM) in the cow. Reproduction in Domestic Animals, 39 (4), 252.
Peer Reviewed verified by ORBi

Könyves, L., Brydl, E., Jurkovich, V., Karen, A., Beckers, J.-F., Sulon, J., & Szenci, O. (2004). Az energiaegyensúly zavarának hatása a méh involúciójára és a ciklikus petefészek működésére tejhasznú tehenekben]. In Proceedings: 5th Middle-European Buiatrics Congress (pp. 713-720).
Peer reviewed

Gajewski, Z., Beckers, J.-F., & Thun, R. (2004). Determination of pregnancy-associated glycoprotein, P4, E1S and PgFM concentrations in the sheep during pregnancy. In Proceedings: 23rd World Buiatrics Congress, Québec, Canada (pp. 98).
Peer reviewed

Szenci, O., Perényi, Z., Karen, A., Takács, E., Sulon, J., & Beckers, J.-F. (2004). Effect of GnRH day 12 after artificial insemination on pregnancy rate in the cow. In Proceedings: 23rd World Buiatrics Congress, Québec, Canada (pp. 75).
Peer reviewed

Tomašković, A., Prvanović, N., Beckers, J.-F., Sulon, J., Cergolj, M., Getz, I., Grizelj, J., Samardžija, M., & Karadjole, T. (2004). PAG and progesterone profiles in IVF pregnancy after hormonal stimulation and ovum-pick-up method in cows. In Proceedings of the 5th Middle European Buiatrics Congress (pp. 708-712).
Peer reviewed

Vahtiala, S., Sakkinen, H., Dahl, E., Eloranta, E., Beckers, J.-F., & Ropstad, E. (2004). Ultrasonography in early pregnancy diagnosis and measurements of fetal size in reindeer (Rangifer tarandus tarandus). Theriogenology, 61 (4), 785-795. doi:10.1016/S0093-691X(03)00253-X
Peer Reviewed verified by ORBi

Verberckmoes, S., Vandaele, L., De Cat, S., El Amiri, B., Sulon, J., Duchateau, L., de Kruif, A., Beckers, J.-F., & Van Soom, A. (2004). A new test for early pregnancy diagnosis in sheep: Determination of ovine pregnancy associated glycoprotein (ovPAG) concentration by means of a homologous radioimmunoassay. Vlaams Diergeneeskundig Tijdschrift, 73 (2, MAR-APR), 119-127.

Faye, D., Sulon, J., Kane, Y., Beckers, J.-F., Leak, S., Kaboret, Y., Melo de Sousa, N., Losson, B., & Geerts, S. (2004). Effects of an experimental Trypanosoma congolense infection on the reproductive performance of West African Dwarf goats. Theriogenology, 62 (8), 1438-51. doi:10.1016/j.theriogenology.2004.02.007
Peer Reviewed verified by ORBi

Rettigner, C., Lasri, S., De Meerschman, F., Focant, C., Beckers, J.-F., & Losson, B. (2004). Immune response and antigen recognition in non-pregnant ewes experimentally infected with Neospora caninum tachyzoites. Veterinary Parasitology, 122 (4), 261-71. doi:10.1016/j.vetpar.2003.12.017
Peer Reviewed verified by ORBi

Vandaele, L., Verberckmoes, S., De Cat, S., El Amiri, B., Sulon, J., Duchateau, L., Van Soom, A., & Beckers, J.-F. (2004). Effect of number of lambs, their sex and birth weignt on ovine pregnancy associated glycoprotein (ovPAG) concentrations. Reproduction, Fertility and Development, 16 (2), 192–193.
Peer reviewed

Degand, G., Remy, B., Fotsing, L., Pirson, J.-L., Lalloz, J. M., & Beckers, J.-F. (2004). Investigations on PrP and PrPres in porcine brain and in stimufol preparations. In Proceedings: 20th Annual Meeting A.E.T.E (pp. 124).
Peer reviewed

Haugejorden, G., Dahl, E., Karlberg, K., Waage, S., Odegaard, S., Vatn, T., Beckers, J.-F., & Ropstad, E. (2004). Pregnancy-associated glycoproteins (PAG) in postpartum cows, ewes, goats and their offspring. In Proceedings of the 15th International Congress on Animal Reproduction (pp. 100).

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2004). Isolation and characterization of eight pregnancy-associated glycoproteins present at high levels in the ovine placenta between day 60 and day 100 of gestation. Reproduction Nutrition Development, 44 (3, May-Jun), 169-181. doi:10.1051/rnd:2004025
Peer Reviewed verified by ORBi

Melo de Sousa, N., Gonzalez, F., Karen, A., El Amiri, B., Sulon, J., Baril, G., Cognié, Y., Szenci, O., & Beckers, J.-F. (2004). Diagnostic et suivi de gestation chez la chèvre et la brebis [Paper presentation]. 11e Rencontres autour des Recherches sur les Ruminants (3R), La Villete, Paris, France.

Legras, B., Beckers, J.-F., & Sulon, J. (2004). Measurement of progesterone concentration in plasma samples: comparison of three radioimmunoassay procedures. Reproduction. Abstract Series, 31, 10.
Peer reviewed

Banga-Mboko, H., Tamboura, H., Maes, D., Traore, H., Youssao, I., Sangild, P. T., El Amiri, B., Bayala, B., Remy, B., & Beckers, J.-F. (December 2003). Survey of gastric lesions and blood pepsinogen levels in pigs in Burkina Faso. Veterinary Research Communications, 27 (8), 595-602. doi:10.1023/A:1027368311808
Peer Reviewed verified by ORBi

Verberckmoes, S., Vandaele, L., De Cat, S., El Amiri, B., Sulon, J., Duchateau, L., Van Soom, A., & Beckers, J.-F. (2003). Pregnancy diagnosis in sheep by means of ultrasound and ovine pregnancy-associated glycoprotein (ovPAGs). In Proceeding of pregnancy diagnosis in sheep by means of ultrasound and ovine pregnancy-associated glycoprotein (pp. 766).

Gonzalez, F., Cabrera, F., Rodriguez, N., Remy, B., Meurens, F., Touati, K., Beckers, J.-F., & Ectors, F. (November 2003). Insémination artificielle et transfert embryonnaire pour limiter la dissémination des maladies contagieuses chez les animaux de rente [Paper presentation]. Vétérinexpo, Marche-en-Famenne, Belgium.

Répasi, A., Beckers, J.-F., Sulon, J., Karen, A., Reiczigel, J., & Szenci, O. (2003). Prosztaglandin kezelések hatasa az ovulacio bekövezkeztére szarvasmarhakban. In Proceeding of prosztaglandin kezelések hatasa az ovulacio bekövezkeztére szarvasmarhakban (pp. 160-161).

Beckers, J.-F. (2003). Diagnostic de la gestation chez les ovins. Sillon Belge, p. 27.

Charallat-Chérif, S., Sulon, J., Amirat, Z., Beckers, J.-F., & Khammar, F. (2003). Intérêt du dosage des glycoprotéines associées à la gestation (PAGs), comparés à la progestérone, dans le diagnostic de la gestation chez la chèvre bédouine. In Intérêt du dosage des glycoprotéines associées à la gestation (PAGs), comparés à la progestérone, dans le diagnostic de la gestation chez la chèvre bédouine.

Beckers, J.-F. (June 2003). Diagnostic de gestation: Quels dosages ? L’Action Vétérinaire, 1644, p. 10-12.

Banga-Mboko, H., Sulon, J., Lange, J. M., Remy, B., Youssao, I., Melo de Sousa, N., El Amiri, B., Sangild, P. T., Maes, D., Closset, J., & Beckers, J.-F. (May 2003). An improved radioimmunoassay for measurement of pepsinogen in porcine blood samples. Veterinary Journal, 165 (3), 288-295. doi:10.1016/S1090-0233(02)00183-1
Peer Reviewed verified by ORBi

Karen, A., Beckers, J.-F., Sulon, J., Melo de Sousa, N., Szabados, K., Reczigel, J., & Szenci, O. (May 2003). Early pregnancy diagnosis in sheep by progesterone and pregnancy-associated glycoprotein tests. Theriogenology, 59 (9), 1941-1948. doi:10.1016/S0093-691X(02)01289-X
Peer Reviewed verified by ORBi

Banga-Mboko H., Holtz, W., Maes, D., Sohnrey, B., El Amiri, B., Youssao, I., Sangilt, P. T., & Beckers, J.-F. (2003). Blood serum pepsinogen and progesterone concentrations during pregnancy and lactation in sows. Journal of Animal and Veterinary Advances, 2 (3), 170-175.
Peer Reviewed verified by ORBi

Moreira da Silva, F., Melo de Sousa, N., Figueiredo, J. R., & Beckers, J.-F. (2003). Placental proteins secreted in maternal circulation: useful indicators for both pregnancy diagnosis and embryonic mortality in bovine species. Revista Portuguesa de Zootecnia, 10 (1), 99-121.

Drion, P., Hanzen, C., Wirth, D.-I. M., Beckers, J.-F., Leboeuf, B., Ropstad, E., Balligand, M., Bauvir, E., Gabriel, A., & Collin, B. (2003). Physiology of reproduction and endocrinology in cervids. A review. Annales de Médecine Vétérinaire, 147 (5), 291-313.
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 55h [Fragment] from Ovis aries placenta - Access number P83500. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106823.

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 61b [Fragment] from Ovis aries placenta - Access number P83494. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106817.

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 66e [Fragment] from Ovis aries placenta - Access number P83497. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106820.

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 66d [Fragment] from Ovis aries placenta - Access number P83496. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106819.

Banga-Mboko, H., Halloy, D., Perenyi, Z., El Amiri, B., Melo de Sousa, N., & Beckers, J.-F. (January 2003). Pregnancy in rabbits actively immunized against bovine pregnancy-associated glycoprotein 1. Fertility and Sterility, 79 (1), 226-227. doi:10.1016/S0015-0282(02)04543-0
Peer Reviewed verified by ORBi

El Amiri, B., Karen, A., Sulon, J., Alvarez Oxiley, A. V., Alomar, M., Melo de Sousa, N., & Beckers, J.-F. (2003). Validation of two homologous radioimmunoassays for measuring pregnancy-associated glycoprotein in ewes.

Drion, P., Hanzen, C., Wirth, D., Leboeuf, B., & Beckers, J.-F. (2003). Application des prostaglandines en reproduction des espèces moins fréquentes ou de laboratoires: Souris, Rat, Hamster, Gerbille, Cobaye, Furet, Cervidés, Buffalos, Zebu, Bison. In Le grand livre des Prostaglandines (pp. 223-238). Schering-Plough-Vétérinaire.

Zarrouk, A., Souilem, O., & Beckers, J.-F. (01 January 2003). Actualités sur la reproduction chez la femelle dromadaire (Camelus dromedarius). Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 56 (1-2), 95. doi:10.19182/remvt.9882
Peer Reviewed verified by ORBi

Zamfirescu S., Beckers, J.-F., Coprean, D., Nadolu, D., & Ftu, N. (2003). Researches regarding the superovulation treatment in ewes with Stimufol. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 229). Association of Embryo Technology in Europe.
Editorial reviewed

Karen A., Szabados, K., Beckers, J.-F., & Szenci, O. (2003). Accuracy of transrectal ultrasonography for determination of pregnancy in sheep: Effect of the type of ultrasound scanner. In Proceedings of 14th Magyar Buiatrikus Kongresszus (pp. 181-184). Hungary: Magyar Buiatrikus Kongresszus.
Editorial reviewed

Karen, A., Beckers, J.-F., Sulon, J., El Amiri, B., Szabados, K., Ismail, S., Reiczigel, J., & Szenci, T. (2003). Evaluation of false transrectal ultrasonographic pregnancy diagnoses in sheep by measuring the plasma level of pregnancy-associated glycoproteins. Reproduction Nutrition Development, 43 (6, NOV-DEC), 577-586. doi:10.1051/rnd:2004005
Peer Reviewed verified by ORBi

Szafranska, B., Panasiewicz, G., Majewska, M., & Beckers, J.-F. (2003). Chorionic expression of heterogeneous products of the PAG (Pregnancy-Associated Glycoprotein) gene family secreted in vitro throughout embryonic and foetal development in the pig. Reproduction Nutrition Development, 43 (6), 497-516. doi:10.1051/rnd:2004004
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 58a [Fragment] from Ovis aries placenta - Access number P83493. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106816.

Banga-Mboko, H., Godeau, J.-M., Drion, P., Sidikou, I. D., Remy, B., & Beckers, J.-F. (2003). The use of blood pepsinogen as a biomarker of the integrity of the porcine gastric mucosa. 2. Measurements of blood pepsinogen and its usefull in the detection of gastric diseases. Annales de Médecine Vétérinaire, 147 (2, APR-MAY), 95-104.
Peer Reviewed verified by ORBi

El Amiri, B., Karen, A., Cognié, Y., Melo de Sousa, N., Hornick, J.-L., Szenci, O., & Beckers, J.-F. (2003). Diagnosis and monitoring of pregnancy in sheep: reality and perspectives. Productions Animales, 16 (2), 79-90.
Peer Reviewed verified by ORBi

Repasi, A., Beckers, J.-F., Sulon, J., Perenyi, Z., Reiczigel, J., & Szenci, O. (2003). Effect of different doses of prostaglandin on the area of corpus luteum, the largest follicle and progesterone concentration in the dairy cow. Reproduction in Domestic Animals, 38 (6), 423-428. doi:10.1046/j.1439-0531.2003.00433.x
Peer Reviewed verified by ORBi

Melo de Sousa, N., Zongo, M., Pitala, W., Boly, H., Sawadogo, L., Sanon, M., de Figueiredo, J. R., Goncalves, P. B. D., El Amiri, B., Perenyi, Z., & Beckers, J.-F. (2003). Pregnancy-associated glycoprotein concentrations during pregnancy and the postpartum period in Azawak Zebu cattle. Theriogenology, 59 (5-6), 1131-1142. doi:10.1016/S0093-691X(02)01160-3
Peer Reviewed verified by ORBi

Pitala, W., Boly, H., Zongo, M., Ba, Y., Melo de Sousa, N., Sawadogo, L., Leroy, P., & Beckers, J.-F. (2003). Diagnostic et suivi de la gravidité chez le zébu par échographie. Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 56 (3-4), 171-176.
Peer Reviewed verified by ORBi

El Amiri, B., Cognié, Y., Sulon, J., Alvarez Oxiley, A. V., Aurel, M. R., Lagriffoul, G., Douaik, A., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-associated glycoprotein concentrations in plasma and milk samples for early pregnancy diagnosis in Lacaune dairy sheep. Reproduction in Domestic Animals, 38 (4), 322.
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 60f [Fragment] from Ovis aries placenta - Access number P83498. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106821.

Szenci, O., Simonsen, I., Bajcsy, C. A., Perenyi, Z., Karen, A., Sulon, J., & Beckers, J.-F. (2003). Effect of plasma urea-N concentration on fertility in a Holstein-Friesian dairy herd. Magyar Allatorvosok Lapja, 125 (8), 458-464.

El Amiri, B., Melo de Sousa, N., Mecif, K., Desbuleux, H., Banga-Mboko, H., & Beckers, J.-F. (2003). Double radial immunodiffusion as a tool to identify pregnancy-associated glycoproteins in ruminant and nonruminant placentae. Theriogenology, 59 (5-6), 1291-1301. doi:10.1016/S0093-691X(02)01176-7
Peer Reviewed verified by ORBi

Rodriguez N., Gonzalez, F., Cabrera, P., Batista, M., Alamo, D., Sulon, J., Beckers, J.-F., & Gracia, A. (2003). Comparison of transrectal ultrasound scanning, progesterone and Pregnancy-associated glycoprotein assays in plasma samples for early pregnancy diagnosis in the goat. In Proceedings of Association of Embryo Technology in Europe (AETE). Association of Embryo Technology in Europe.
Editorial reviewed

Barbato, O., Melo de Sousa, N., Malfatti, A., Beckers, J.-F., De Santis, G., & Debenedetti, A. (2003). Purificazione delle proteine associate alla gestazione (PAG) nella bufala (Bubalus bubalis): risultati preliminari. In Atti 2o Congresso Nazionale sull’Allevamento del Bufalo (pp. 279-283).

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 59g [Fragment] from Ovis aries placenta - Access number P83499. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106822.

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Pregnancy-Associated Glycoprotein 58c [Fragment] from Ovis aries placenta - Access number - P83495. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106818.

Drion, P., Szenci, O., Ectors, F., Wirth, D., Perenyi, Z., Muller, P., & Beckers, J.-F. (2003). From the germinal cells to the newborn animal: The transmission of genes and life through the generations. Acta Veterinaria Hungarica, 51 (3), 371-384. doi:10.1556/AVet.51.2003.3.11
Peer Reviewed verified by ORBi

Carstanjen, B., Sulon, J., Banga-Mboko, H., Beckers, J.-F., & Remy, B. (2003). Development and validation of a specific radioimmunoassay for equine osteocalcin. Domestic Animal Endocrinology, 24 (1), 31-41. doi:10.1016/S0739-7240(02)00185-6
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., Joris, B., Otthiers, N., Perenyi, Z., Mboko, H. B., & Beckers, J.-F. (2003). Isolation and partial characterization of three pregnancy-associated glycoproteins from the ewe placenta. Molecular Reproduction and Development, 64 (2), 199-206. doi:10.1002/mrd.10246
Peer Reviewed verified by ORBi

Szenci, O., Beckers, J.-F., Sulon, J., Bevers, M. M., Borzsonyi, L., Fodor, L., Kovacs, F., & Taverne, M. A. M. (2003). Effect of induction of late embryonic mortality on plasma profiles of pregnancy associated glycoprotein 1 in heifers. Veterinary Journal, 165 (3), 307-313. doi:10.1016/S1090-0233(02)00180-6
Peer Reviewed verified by ORBi

Alomar, M., Sulon, J., El Amiri, B., Melo de Sousa, N., & Beckers, J.-F. (2003). Progesterone, cortisol and pregnancy-associated glycoprotein concentrations in three aborted cows [Poster presentation]. 8e Journée de rencontre Bioforum, Liège, Belgium.

Melo de Sousa, N., El Amiri, B., Remy, B., Drion, P., & Beckers, J.-F. (2002). Signaux embryonnaires de la gestation. In Journées Européennes de la Société Française de Buiatrie (pp. 95-115).
Peer reviewed

Szenci, O., Simonsen, E. I., Karen, A., Sulon, J., & Beckers, J.-F. (2002). Plazma urea-N koncentracio és a vemhesülés közötti összefüggés vizsgalata egy holstein-fris tehenészetben. In Proceeding of effect of plasma urea-N concentration on fertility in a Holstein-friesian dairy herd (pp. 83-88).

Repasi, A., Beckers, J.-F., Sulon, J., Karen, Reiczigel, J., & Szenci, O. (2002). Különbözo prosztaglandin készitmények hatasa a sargatest lutuolizisére és a vemheslésre. In Proceeding of effect of different prostaglandins on the corpus luteum and fertility in dairy cow (pp. 80-82).

Karen, A., Szabados, K., Beckers, J.-F., & Szenci, O. (2002). Evaluation of transrectal ultrasonography for determination of pregnancy in sheep. In Proceeding of evaluation of transrectal ultrasonography for determination of pregnancy in sheep (pp. 158-161).

Perenyi, Z., Breukelman, S., Taverne, M. A. M., Vos, P. L. A. M., De Ruigh, L., Van Wagtendonk, A. M., Dieleman, S., Szenci, O., & Beckers, J.-F. (2002). Vemhességi fehérje és progeszteron koncentracio alakulasa embrionalis mortalitast mutato tehenekben in vitro és in vivo elöllitott embriok beültetését követöen. In Proceeding of pregnancy-associated glycoprotein and progesterone levels in cows showing pregnancy failure after transfer of in vitro vs in vivo produced embryos (pp. 76-79).

Gonzalez, F., Cabrera, F., Rodriguez, N., Remy, B., Meurens, F., & Beckers, J.-F. (2002). Artificial insemination and embryo transfer as efficient tools to better control infectious diseases transmission. In Proceeding of artificial insemination and embryo transfer as efficient tools to better control infectious diseases transmission (pp. 57-65).

Calero, P., Gonzalez, F., Cabrera, F., Quesada, E., Batista, M., Rodriguez, N., Sulon, J., Beckers, J.-F., & Gracia, A. (2002). Pregnancy-associated glycoproteins (PAG) concentrations in embryo recipient goats and mated goats. In Proceeding of pregnancy-associated glycoproteins (PAG) concentrations in embryo recipient goats and mated goats (pp. 148).

Taverne, M. A. M., Breukelman, S., Perenyi, Z., Dieleman, S. J., Vos, P. L. A. M., Jonker, H. F., de Ruigh, L., Ven Wagtendonk-de Leeuw, A. M., & Beckers, J.-F. (2002). The monitoring of bovine pregnancies derived from transplantation of in vitro produced embryos. In Proceeding of the monitoring of bovine pregnancies derived from transplantation of in vitro produced embryos (pp. 91-101).

Calero, P., Gonzalez, F., Cabrera, F., Quesada, E., Batista, M., Rodriguez, N., Alamo, D., Beckers, J.-F., & Gracia, A. (2002). GnRH application in FSH superovulated goats: effect on the number of corpora lutea and embryo yield. In Proceeding of GnRH application in FSH superovulated goats: effect on the number of corpora lutea and embryo yield (pp. 146).

El Amiri, B., Remy, B., Melo de Sousa, N., Gerardin-Ottiers, N., & Beckers, J.-F. (2002). Pregnancy-associated glycoproteins isolated from ewe placenta. In Proceeding of pregnancy-associated glycoproteins isolated from ewe placenta (pp. 166).

Ropstad, E., Kalberg, K., Dahl, E., Waage, S., Fjerdingby, N., Vath, T., & Beckers, J.-F. (August 2002). PAG profiles in postpartum dairy cows and newborn calves. Reproduction in Domestic Animals, 37 (4), 249.
Peer Reviewed verified by ORBi

Quesada, E., Gonzalez, F., Calero, P., Cabrera, P., Batista, M., Sulon, J., Beckers, J.-F., & Gracia, A. (August 2002). Comparison between transrectal ultrasonography and pregnancy-associated glycoprotein determination for early pregnancy diagnosis in the goat. Reproduction in Domestic Animals, 37 (4), 247.
Peer Reviewed verified by ORBi

Godeau, J.-M., Czaplicki, G., Sulon, J., Humblet, M.-F., & Beckers, J.-F. (18 June 2002). Fertility,serum haptoglobin levels, albumin-globulin ratio, and healthy status in dairy cows [Poster presentation]. 10th Congress of the International Society for Animal Clinical Biochemistry, Gainsville, United States - Florida.

Beckers, J.-F. (June 2002). Des hormones au service de l'élevage. Les Élevages Belges, 6, p. 25.

Gonzalez, F., Cabrera, F., Rodriguez, N., Remy, B., Meurens, F., & Beckers, J.-F. (18 May 2002). Inseminazione artificiale e transferimento embrionale come stumenti efficace per un miglior controllo sulla transmissione delle malattie infettive [Paper presentation]. 16° Seminario Internazionale sulla Mallatie Infecttive Emergenti degli Animale fra cui Zoonosi Nuove e Tradizionali, Siena, Italy.

Metelo, R., Sulon, J., Moreira da Silva, F., & Beckers, J.-F. (2002). Preliminary results for measuring bovine PAG in milk samples. In Proceeding of preliminary results for measuring bovine PAG in milk samples (pp. 32).

Bister, J. L., De roover, R., Dessy, F., Delahaut, P., & Beckers, J.-F. (May 2002). Sensitivity of follicles from prepubertal calves ovaires to in vitro stimulation with LH and FSH. Biotechnologie, Agronomie, Société et Environnement, 6 (1), 15-16.
Peer Reviewed verified by ORBi

Ledezma-Torres, R. A., Beckers, J.-F., & Holtz, W. (2002). Plasma pregnancy-associated glycoprotein (PAG) profiles in sheep. In Proceeding of the 35th Annual Meeting on Physiology and Pathology of Reproduction of the German Veterinary Medical Society (pp. 153).

Beckers, J.-F. (21 January 2002). Suivi de gestation: L'évolution des taux de protéines associées à la gestation se précise. Hebdo Vétérinaire, 75.

Taverne, M. A. M., Breukelman, S. P., Perenyi, Z., Dieleman, S. J., Vosa, P. L. A. M., Jonker, H. H., de Ruigh, L., Van Wagtendonk-de Leeuw, J. M., & Beckers, J.-F. (2002). The monitoring of bovine pregnancies derived from transfer of in vitro produced embryos. Reproduction Nutrition Development, 42 (6), 613 - 624. doi:10.1051/rnd:2002047
Peer Reviewed verified by ORBi

Perenyi, Z., Desbuleux, H., Sulon, J., Banga-Mboko, H., Melo de Sousa, N., El Amiri, B., Szenci, O., & Beckers, J.-F. (2002). Pregnancy-associated glycoprotein profiles of 5 heifers measured by three radioimmunoassay systems. Biotechnologie, Agronomie, Société et Environnement, 6 (1), 6-7.
Peer Reviewed verified by ORBi

Banga-Mboko, H., Thilman, P., Desbuleux, H., Aoumeur, Y., Youssao, I., Perenyi, Z., Melo de Sousa, N., El Amiri, B., Leroy, P., & Beckers, J.-F. (2002). Pepsinogen and progesterone concentration during pregnancy in sows. Biotechnologie, Agronomie, Société et Environnement, 6 (1), 12-13.
Peer Reviewed verified by ORBi

Karen, A., Beckers, J.-F., Sulon, J., Melo de Sousa, N., Szabados, K., Reczigel, J., & Szenci, O. (2002). Early pregnancy diagnosis in sheep by progesterone and pregnancy-associated glycoprotein tests. Biotechnologie, Agronomie, Société et Environnement, 6 (1), 8.
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2002). Pregnancy-Associated Glycoprotein 58a [Fragment] from Ovis aries placenta - Access number P83493. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106815.

Perenyi, Z. S., Szenci, O., Drion, P., Banga-Mboko, H., Melo de Sousa, N., El Amiri, B., & Beckers, J.-F. (2002). Aspartic proteinase members secreted by the ruminant placenta: Specificity of three radioimmunoassay systems for the measurement of pregnancy-associated glycoproteins. Reproduction in Domestic Animals, 37 (6), 324-329. doi:10.1046/j.1439-0531.2002.t01-1-00366.x
Peer Reviewed verified by ORBi

Kornmatitsuk, B., Veronesi, M. C., Madej, A., Dahl, E., Ropstad, E., Beckers, J.-F., Forsberg, M., Gustafsson, H., & Kindahl, H. (2002). Hormonal measurements in late pregnancy and parturition in dairy cows - possible tools to monitor foetal well being. Animal Reproduction Science, 72 (3-4), 153-164. doi:10.1016/S0378-4320(02)00092-1
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., Banga-Mboko, H., Perenyi, Z., Gerardin, N., & Beckers, J.-F. (2002). Pregnancy-associated glycoproteins isolated from the ewe placenta removed at two different stages of gestation. In Proceedings of the 7e Journée de Rencontre Bioforum (pp. 25).

Gonzalez F., Remy, B., & Beckers, J.-F. (2002). La fecondazione artificiale e l’impianto degli embrioni come mezzo efficace per prevenire la diffusione delle malattie infettive [Paper presentation]. -, Italy.

Melo de Sousa, N., Remy, B., El Amiri, B., Figueiredo, J. R., & Beckers, J.-F. (2002). Probable alpha-fetoprotein - Bos indicus - Accession number P83128. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106799.

Perenyi, Z. S., Szenci, O., Sulon, J., Drion, P., & Beckers, J.-F. (2002). Comparison of the ability of three radioimmunoassay to detect pregnancy-associated glycoproteins in bovine plasma. Reproduction in Domestic Animals, 37 (2), 100-104. doi:10.1046/j.1439-0531.2002.00341.x
Peer Reviewed verified by ORBi

Melo de Sousa, N., Figueiredo, J. R., El Amiri, B., Banga-Mboko, H., & Beckers, J.-F. (2002). Potential influence of pregnancy hormones and proteins synthesized during pregnancy on the maternal immunological status. Annales de Médecine Vétérinaire, 146 (2), 71-82.
Peer Reviewed verified by ORBi

Melo de Sousa, N., Remy, B., El Amiri, B., De Figueiredo, J. R., Banga-Mboko, H., Goncalves, P. B. D., & Beckers, J.-F. (2002). Characterization of pregnancy-associated glycoproteins extracted from zebu (Bos indicus) placentas removed at different gestational periods. Reproduction Nutrition Development, 42 (3), 1-15. doi:10.1051/rnd:2002021
Peer Reviewed verified by ORBi

Melo de Sousa, N., El Amiri, B., Sulon, J., & Beckers, J.-F. (2002). Dosages réalisables pour le diagnostic de gestation. In Journées Européennes de la Société Française de Buiatrie 2002 (pp. 137-152).

El Amiri, B., Remy, B., Melo de Sousa, N., Sulon, J., Gerardin, N., Desbuleux, H., Perenyi, Z., Banga-Mboko, H., & Beckers, J.-F. (2002). Investigations nouvelles sur les protéines associées à la gestation chez la brebis en vue d’application clinique [Poster presentation]. 19ième Congrès Vétérinaire Maghrébin, Tunis, Tunisia.

Melo de Sousa, N., Remy, B., El Amiri, B., Figueiredo, J. R., & Beckers, J.-F. (2002). Pregnancy-Associated Glycoprotein 67 [Fragment] from Bos indicus placenta (Access number P83126). ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106792.

El Amiri, B., Remy, B., Melo de Sousa, N., Gerardin-Otthiers, N., Desbuleux, H., Perenyi, Z., Banga-Mboko, H., & Beckers, J.-F. (2002). Purification and characterization of a pregnancy-associated glycoprotein (ovPAG-6) from sheep placenta removed between 66 to 100 days of gestation. Biotechnologie, Agronomie, Société et Environnement, 6 (1), 12-13.
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., Gerardin, N., & Beckers, J.-F. (2002). Pregnancy-associated proteins isolated from ewe placenta. In Proceedings of the 18th Scientific Meeting of the European Embryo Transfer Association (pp. 166).

Melo de Sousa, N., Zongo, M., Pitala, W., Boly, H., Sanon, M. G., Sawadogo, L., Rutten, A., Dode, M. A. N., Figueiredo, J. R., El Amiri, B., Perenyi, Z., & Beckers, J.-F. (2002). Pregnancy-associated glycoprotein concentrations during pregnancy and postpartum periods in zébu cattle. Biotechnologie, Agronomie, Société et Environnement, 6 (1), 10-11.
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2002). Fatty Acid Binding Protein [Fragment] from Ovis aries placenta - Access number P83204. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106814.

Melo de Sousa, N., Remy, B., El Amiri, B., Figueiredo, J. R., & Beckers, J.-F. (2002). Alpha-N-Acetylgalactosaminidase [Fragment] from Bos indicus placenta - Access number P83127. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106797.

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2002). Pregnancy-Associated Glycoprotein 59 [Fragment] from Ovis aries placenta - Access number P83444. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106807.

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2002). Pregnancy-Associated Glycoprotein 55 [Fragment] from Ovis aries placenta - Access number P83202. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106805.

El Amiri, B., Remy, B., Melo de Sousa, N., & Beckers, J.-F. (2002). Pregnancy-Associated Glycoprotein 57 [Fragment] from Ovis aries placenta - Access number P83203. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/106806.

Banga-Mboko, H., Godeau, J.-M., El Amiri, B., Drion, P., Perenyi, Z., Melo de Sousa, N., & Beckers, J.-F. (2002). The use of blood pepsinogen as a biomarker of the integrity of the porcine gastric mucosa : A review. Part 1: History, physiopathology of gastric mucosa and different forms of pepsinogens. Annales de Médecine Vétérinaire, 146 (6), 339-346.
Peer Reviewed verified by ORBi

Batalha, E. S., Sulon, J., Figueiredo, J. R., Beckers, J.-F., Martins, G. A., & Silva, L. D. M. (November 2001). Relationship between maternal concentrations of caprine pregnancy-associated glycoprotein in Alpine goats and the number of fetuses using a homologous radioimmunoassay. Small Ruminant Research, 42 (2), 105-109. doi:10.1016/S0921-4488(01)00242-5
Peer Reviewed verified by ORBi

Batalha, E. S., Sulon, J., Figueiredo, J. R., Beckers, J.-F., Espeschit, C. J. B., Martins, R., & Silva, L. D. M. (November 2001). Plasma profile of pregnancy associated glycoprotein (PAG) in pregnant Alpine goats using two radioimmunoassay (RIA) systems. Small Ruminant Research, 42 (2), 111-118. doi:10.1016/S0921-4488(01)00243-7
Peer Reviewed verified by ORBi

González, F., Sulon, J., Calero, P., Batista, M., Gracia, A., & Beckers, J.-F. (01 September 2001). Pregnancy-associated glycoproteins (PAG) detection in milk samples for pregnancy diagnosis in dairy goats. Theriogenology, 56 (4), 671 - 676. doi:10.1016/s0093-691x(01)00598-2
Peer Reviewed verified by ORBi

Beckers, J.-F. (2001). Les protéines associées à la gestation chez les ruminants: biomarqueurs du 3e millénaire. Sillon Belge, p. 10.

Baril, G., Traldi, A. L., Cognié, Y., Leboeuf, B., Beckers, J.-F., & Mermillod, P. (15 July 2001). Successful direct transfer of vitrified sheep embryos. Theriogenology, 56 (2), 299 - 305. doi:10.1016/s0093-691x(01)00564-7
Peer Reviewed verified by ORBi

Folch, J., Ramón, J. P., Cocero, M. J., Alabart, J. L., & Beckers, J.-F. (01 June 2001). Exogenous growth hormone improves the number of transferable embryos in superovulated ewes. Theriogenology, 55 (9), 1777 - 1785. doi:10.1016/s0093-691x(01)00520-9
Peer Reviewed verified by ORBi

Nchare, A., Salaheddine, M., Desbuleux, H., Sulon, J., & Beckers, J.-F. (2001). Essais d’induction artificielle de la lactation chez des génisses âgées de 6 a 7 mois. Annales de Médecine Vétérinaire, 145 (6, Suppl. S), 365-371.
Peer Reviewed verified by ORBi

Zongo, M., Pitala, W., Boly, H., Sulon, J., Melo de Sousa, N., Leroy, P., Beckers, J.-F., & Sawadogo, L. (2001). Profils de la progestérone des vaches zébu « Azawak » et taurins « Gourunsi » après induction de l’oestrus aux progestagènes combinés à la prostaglandine et à la PMSG. Tropicultura, 19 (3), 131-134.
Peer Reviewed verified by ORBi

Szenci, O., Szarkáné-Takács, E., Sulon, J., Perenyi, Z., & Beckers, J.-F. (2001). A mesterséges termékenyítést követő 12. Napon adott GNRH-kezelés hatékonyságának ellenőrzése egy holstein-frís tehenészetben. In Proceedings of the 12th Magyar Buiatrikus Kongresszus (pp. 77-81).

Gonzalez, F., Calero, P., & Beckers, J.-F. (2001). Induction of superovulation in domestic ruminants. In R. Renaville & A. BurnY, Biotechnology in Animal Husbandry (pp. 209-223). Netherlands: Kluwer Academic Publishers.

Karen, A., Beckers, J.-F., Sulon, J., Szabados, & Szenci, O. (2001). A juhok korai vemhességének megállaoítása progeszeteron és a vemhességi fehérje meghatároásával. In Proceedings: 12th Magyar Buiatrikus Kongresszus (pp. 107-108).
Peer reviewed

Melo de Sousa, N., Remy, B., El Amiri, B., Banga-Mboko, H., Perenyi, Z., Figueiredo, J. R., Gonçalves, P. B. D., Wattiez, R., Falmagne, P., & Beckers, J.-F. (2001). Identification of pregnancy-associated glycoprotein 1 (PAG-1) in zebu (Bos indicus) placenta. Theriogenology, 55 (1), 327.
Peer Reviewed verified by ORBi

Baril, G., Cognié, Y., Belloc, J. P., Briois, M., Poulin, N., Bouttier, A., Pougnard, J. L., Vallet, J. C., Leboeuf, B., Remy, B., Beckers, J.-F., & Mermillod, P. (2001). Effet de prétraitements agoniste et antagoniste de GnRH sur la productîon d'embryons chez la brebis et la chèvre. In Proceedings: 8e Rencontres autour des Recherches sur les Ruminants (pp. 373-376).
Peer reviewed

Baril, G., Cognié, Y., Pougnard, J. L., Leboeuf, B., Traldi, A. S., Guignot, F., Beckers, J.-F., & Mermillod, P. (2001). Amélioration des méthodes de cryopréservation et de transfert d’embryons chez les petits ruminants. In Proceedings: 8e Rencontres autour des Recherches sur les Ruminants (pp. 365-368).
Peer reviewed

Cognié, Y., Poulin, N., Guignot, F., Beckers, J.-F., & Mermillod, P. (2001). Embryo survival after transfer of in vitro and in vivo produced goat embryos. In Proceedings: 17th Annual Meeting AETE.
Peer reviewed

Melo de Sousa, N., Figueiredo, J. R., & Beckers, J.-F. (2001). Placental proteins in ruminants: biochemical, physiological and zootechnical aspects. In R. Renaville & A. Burny (Eds.), Biotechnology in Animal Husbandry (pp. 179-208). Netherlands: Kluwer Academic Publishers.

Banga-Mboko, H., Sulon, J., Closset, J., Remy, B., El Amiri, B., Melo de Sousa, N., & Beckers, J.-F. (2001). Radioimmunoassay of porcine pepsinogen. Biotechnologie, Agronomie, Société et Environnement, 5 (1), 25-26.
Peer Reviewed verified by ORBi

Perenyi, Z., Sulon, J., Szenci, O., & Beckers, J.-F. (2001). The inactive members of the aspartic proteinase family in the ruminant placenta: specificity of three different radioimmunoassay systems. Biotechnologie, Agronomie, Société et Environnement, 5 (1), 26-27.
Peer Reviewed verified by ORBi

Perenyi, Z., Desbuleux, H., Sulon, J., Szenci, O., Banga-Mboko, H., El Amiri, B., Melo de Sousa, N., & Beckers, J.-F. (2001). Ability of three different antisera to recognize pregnancy-associated glycoproteins in heifers during the first fifty days of gestation [Poster presentation]. 17th Annual Meeting AETE, Lyon, France.

Karen, A., Kovacs, P., Beckers, J.-F., & Szenci, O. (2001). Pregnancy diagnosis in sheep: review of the most practical methods. Acta Veterinaria Brno, 70, 115-126.
Peer reviewed

Drion, P., Furstoss, V., Baril, G., Bouvier, F., Pougnard, J. L., Bernelas, D., Caugnon, P., McNamara, E. M., Remy, B., Sulon, J., Beckers, J.-F., Bodin, L., & Leboeuf, B. (2001). Does annual repetition of estrous induction influence the fertility of goats after A.I. at a fixed time ? Biotechnologie, Agronomie, Société et Environnement, 5 (1), 28-29.
Peer Reviewed verified by ORBi

Debenedetti, A., Melo de Sousa, N., Sulon, J., Beckers, J.-F., & Malfatti, A. (2001). Pregnancy-associated glycoprotein detection by RIA in pregnant buffalo cows (Bubalus bubalis). Biotechnologie, Agronomie, Société et Environnement, 5 (suppl), 62.
Peer Reviewed verified by ORBi

Zarrouk, A., Souilem, O., Drion, P., & Beckers, J.-F. (2001). Caractéristiques de la reproduction dans l’espèce caprine. Annales de Médecine Vétérinaire, 145, 98-105.
Peer Reviewed verified by ORBi

Othmani-Mecif, K., Benazzoug, Y., Remy, B., & Beckers, J.-F. (2001). Partial Purification of rabbit placental PAG (pregnancy-associated glycoprotein). Pflügers Archiv: European Journal of Physiology, 442 (R105), 88.
Peer Reviewed verified by ORBi

Vos, P. L. M. A., Perenyi, Z., Jonker, F. H., de Ruigh, L., van Wagtendonk, A. M., Breukelman, S., Taverne, M., Beckers, J.-F., & Dieleman, S. J. (2001). Bovine pregnancy-associated glycoprotein plasma concentrations during successful pregnancies after transfer of in vitro-produced bovine embryos. Theriogenology, 55 (1), 328.
Peer Reviewed verified by ORBi

Drion, P., Furtoss, V., Baril, G., Manfredi, E., Bouvier, F., Pougnard, J. L., Bernelas, D., Caugnon, P., McNamara, E. M., Remy, B., Sulon, J., Beckers, J.-F., Bodin, L., & Leboeuf, B. (2001). Four years of induction/synchronization of estrus in dairy goats: effect on the evolution of eCG binding rate in relation with the parameters of reproduction. Reproduction Nutrition Development, 41 (5), 401-412. doi:10.1051/rnd:2001140
Peer Reviewed verified by ORBi

Guignot, F., Baril, G., Pougnard, J. L., Beckers, J.-F., Terqui, M., & Mermillod, P. (2001). In vitro survival of vitrified goat embryos: comparison of two vitrification methods. In Proceedings: 17e Réunion A.E.T.E (pp. 127).
Peer reviewed

Melo de Sousa, N., Sulon, J., Remy, B., Dode, M. A. N., Banga-Mboko, H., Perenyi, Z., Gonçalves, P. B. D., El Amiri, B., Figueiredo, J. R., & Beckers, J.-F. (2001). Radioimmunoassay of pregnancy-associated glycoprotein 1 (PAG1) isolated from zebu (Bos indicus) placenta: preliminary results.

Zongo, M., Pitala, W., Boly, H., Leroy, P., Melo de Sousa, N., Beckers, J.-F., & Sawadogo, L. (2001). Profil de la LH a l’oestrus induit des taurin Gourunsi et zebu Azawak [Paper presentation]. Annales de l’Université de Ouagadougou.

Drion, P., Hanzen, C., Wirth, D., Leboeuf, B., & Beckers, J.-F. (2001). Espèces moins fréquentes ou de laboratoire. Le grand livre des prostaglandines. In Le grand livre des prostaglandines. Shering-Plough-Vétérinaire.
Editorial reviewed

El Amiri, B., Remy, B., Melo de Sousa, N., Sulon, J., Gerardin-Otthiers, N., Banga-Mboko, H., Desbuleux, H., & Beckers, J.-F. (2001). Microsequencing of three pregnancy-associated glycoproteins isolated from sheep placenta [Poster presentation]. 6e Journée de Rencontre Bioforum, BioLiège, Liège, Belgium.

Zongo, M., Boly, H., Sawadogo, L., Pitala, W., Melo de Sousa, N., Beckers, J.-F., & Leroy, P. (2001). Insémination artificielle des vaches ‘Azawak’ et taurin ‘Gourunsi’ au Burkina Faso. Tropicultura, 19 (2), 75-78.
Peer Reviewed verified by ORBi

El Amiri, B., Remy, B., Sulon, J., Desbuleux, H., Banga-Mboko, H., Melo de Sousa, N., & Beckers, J.-F. (2001). Isolation and partial purification of pregnancy-associated glycoproteins from sheep placenta. Biotechnologie, Agronomie, Société et Environnement, 5 (1), 23-24.
Peer Reviewed verified by ORBi

Melo de Sousa, N., Figueiredo, J. R., El Amiri, B., Banga-Mboko, H., Szenci, O., & Beckers, J.-F. (2001). Chorioví gonadotropin a specifický glykoprotein u březích přežvýkavcŭ. In Proceedings of the 3rd Central European Buiatric Congress (pp. 430-432).
Peer reviewed

Drion, P., De Roover, R., Houtain, J. Y., McNamara, E. M., Remy, B., Sulon, J., & Beckers, J.-F. (2001). Increase of Plasma Ecg Binding Rate after Administration of Repeated High Dose of Ecg to Cows. Reproduction Nutrition Development, 41 (3), 207-215. doi:10.1051/rnd:2001124
Peer Reviewed verified by ORBi

Van Cauwenberge, A., Nonclercq, D., Laurent, G., Zanen, G., Beckers, J.-F., Alexandre, H., Heuson-Stiennon, J. A., & Toubeau, G. (2001). Immunocytochemistry of the golden hamster pituitary during chronic administration of diethylstilbestrol: a quantitative analysis using laser scanning microscopy. Histochemistry and Cell Biology, 115, 169-178. doi:10.1007/s004180000212
Peer Reviewed verified by ORBi

Kornmatitsuk, B., Dahl, E., Ropstad, E., Beckers, J.-F., Forsberg, M., Gustafsson, H., & Kindahl, H. (2001). Monitoring of foetal viability with endocrine parameters during late pregnancy and parturition in dairy cows. In Proceedings: 5th Conference of the European Society for Domestic Animal Reproduction.
Peer reviewed

Repasi, A., Beckers, J.-F., Sulon, J., Perényi, Z., Reiczigel, J., & Szenci, O. (2001). Külonböző dózisú prosztagandin készítmények hatása a sárgatest luteolízisére és a vemheslésre. In Proceedings of the 12th Magyar Buiatrikus Kongresszus (pp. 74-76).

Garbayo, J. M., Green, J. A., Manikkam, M., Beckers, J.-F., Kiesling, D. O., Ealy, A. D., & Roberts, R. M. (December 2000). Caprine pregnancy-associated glycoproteins (PAG): their cloning, expression, and evolutionary relationship to other PAG. Molecular Reproduction and Development, 57 (4), 311 - 322. doi:10.1002/1098-2795(200012)57:4
Peer Reviewed verified by ORBi

Derivaux, J., Sulon, J., Pirson, J.-L., Melo de Sousa, N., Gonzalez, F., Calero, P. O., & Beckers, J.-F. (2000). Chez la chèvre gestante: climat hormonal et diagnostic de la gestation. Sillon Belge, p. 18.

Green, J. A., Xie, S., Quan, X., Bao, B., Gan, X., Mathialagan, N., Beckers, J.-F., & Roberts, R. M. (June 2000). Pregnancy-associated bovine and ovine glycoproteins exhibit spatially and temporally distinct expression patterns during pregnancy. Biology of Reproduction, 62 (6), 1624 - 1631. doi:10.1095/biolreprod62.6.1624
Peer Reviewed verified by ORBi

Derivaux, J., Gonzalez, F., Calero, P. O., & Beckers, J.-F. (2000). Etat hormonal de la chèvre gestante - Diagnostic de la gestation. L'Egide.

González, F., Sulon, J., Garbayo, J. M., Batista, M., Cabrera, F., Calero, P. O., Gracia, A., & Beckers, J.-F. (May 2000). Secretory profiles of pregnancy-associated glycoproteins at different stages of pregnancy in the goat. Reproduction in Domestic Animals, 35 (2), 79 - 82. doi:10.1046/j.1439-0531.2000.00202.x
Peer Reviewed verified by ORBi

Szenci, O., Humblot, P., Beckers, J.-F., Sasser, G., Sulon, J., Baltusen, R., Varga, J., Bajcsy, C. A., & Taverne, M. A. M. (May 2000). Plasma profiles of progesterone and conceptus proteins in cows with spontaneous embryonic/fetal mortality as diagnosed by ultrasonography. Veterinary Journal, 159 (3), 287 - 290. doi:10.1053/tvjl.1999.0399
Peer reviewed

Hoeben, D., Monfardini, E., Opsomer, G., Burvenich, C., Dosogne, H., De Kruif, A., & Beckers, J.-F. (May 2000). Chemiluminescence of bovine polymorphonuclear leucocytes during the periparturient period and relation with metabolic markers and bovine pregnancy-associated glycoprotein. Journal of Dairy Research, 67 (2), 249 - 259. doi:10.1017/s0022029900004052
Peer Reviewed verified by ORBi

Brûlé, S., Rabahi, F., Faure, R., Beckers, J.-F., Silversides, D. W., & Lussier, J. G. (March 2000). Vacuolar system-associated protein-60: a protein characterized from bovine granulosa and luteal cells that is associated with intracellular vesicles and related to human 80K-H and murine beta-glucosidase II. Biology of Reproduction, 62 (3), 642 - 654. doi:10.1095/biolreprod62.3.642
Peer Reviewed verified by ORBi

Oussaid, B., Lonergan, P., Khatir, H., Guler, A., Monniaux, D., Touze, J. L., Beckers, J.-F., Cognie, Y., & Mermillod, P. (January 2000). Effect of GnRH antagonist-induced prolonged follicular phase on follicular atresia and oocyte developmental competence in vitro in superovulated heifers. Journal of Reproduction and Fertility, 118 (1), 137 - 144. doi:10.1530/jrf.0.1180137
Peer Reviewed verified by ORBi

Cognié, Y., Baril, G., Poulin, N., & Beckers, J.-F. (2000). The ovulation rate obtained after a superovulation treatment associating GNRH antagonist and pFSH is highly repeatable [Paper presentation]. 16th Annual Meeting of Association of Embryo Technology in Europe, Santander, Spain.
Editorial reviewed

Szenci, O., Beckers, J.-F., Varga, J., & Bajcsy, A. C. (2000). The accuracy of the diagnoses of early pregnancy and late embryonic mortality in the cow: a review. Folia Veterinaria, 44 (4), 199-201.
Peer reviewed

Baril, G., Leboeuf, B., Pougnard, J. L., Bernelas, D., Bonne J.L., Forgerit, Y., Santi, E., & Beckers, J.-F. (2000). Embryo transfer after freezing with ethylene glycol from Alpine and Saanen dairy goats. In Prceedings 7th International Conference on Goats (pp. 1030). INRA.
Editorial reviewed

Charallah, S., Khammar, F., Sulon, J., & Beckers, J.-F. (2000). Plasmatic profile of placental protein, “pregnancy-associated glycoprotein” or PAG in Bedouin goat (Capra hircus): preliminary data. Pflügers Archiv: European Journal of Physiology, 440 (6), 221.
Peer Reviewed verified by ORBi

Marlier, D., Mainil, J., Sulon, J., Beckers, J.-F., Linden, A., & Vindevogel, H. (2000). Study of the Virulence of Five Strains of Amyxomatous Myxoma Virus in Crossbred New Zealand White/Californian Conventional Rabbits, with Evidence of Long-Term Testicular Infection in Recovered Animals. Journal of Comparative Pathology, 122 (2-3, Feb-Apr), 101-13. doi:10.1053/jcpa.1999.0345
Peer Reviewed verified by ORBi

Gonzalez, F., Batista, M., Quesada, E., Calero, P., Gracia, A., & Beckers, J.-F. (2000). Detection of pregnancy-associated glycoprotein (PAG) and ultrasonography for diagnosis of pregnancy, hydrometra and embryonic mortality indairy goats [Paper presentation]. 16th Annual Meeting of Association of Embryo Technology in Europe, Santander, Spain.
Editorial reviewed

Ropstad, E., Eloranta, E., Dahl, E., Säkkinen, K. H., Kindahl, H., Holand, O., & Beckers, J.-F. (2000). Endocrine changes during pregnancy and early pregnancy detection in reindeer [Paper presentation]. 14th International Congress on Animal Reproduction, Stockholm, Sweden.
Editorial reviewed

Geldhof, A., Goossens, L., Moyaert, I., Cuelenaere, M., Roschlau, K., Roschlau, D., Nivot, A., & Beckers, J.-F. (2000). Sex determination in bovine embryos by micro-aspiration. Results of five years practice under farm conditions [Paper presentation]. 16th Annual Meeting of Association of Embryo Technology in Europe, Santander, Spain.
Editorial reviewed

Ledezma-Torres, R. A., Beckers, J.-F., & Holtz, W. (2000). Ovine pregnancy-associated glycoprotein (oPAG). Konzentration im Verlauf der Trächtigkeit beim Schaf. In Proceedings of Deutschen Gesellschaf für Züchtungskunde (pp. 13). -.
Editorial reviewed

Melo de Sousa, N., Figueiredo, J. R., Derivaux, J., & Beckers, J.-F. (2000). Influences potentielles des hormones de la gestation sur l’état immunitaire de la mère, conséquences diagnostiques. In Recueil de l'Association pour l’Etude de la Reproduction Animale (pp. 29-48).

Melo de Sousa, N., Remy, B., El Amiri, B., Banga-Mboko, H., Figueiredo, J. R., Gonçalves, P. B. D., Wattiez, R., Dode, M. A. N., Falmagne, P., & Beckers, J.-F. (2000). Isolation of the pregnancy-associated glycoprotein 1 (PAG-1) from zebu (Bos indicus) placenta [Poster presentation]. 16th Scientific Meeting of the European Embryo Transfer Association, Santander, Spain.

Drion, P., Beckers, J.-F., Derkenne, F., & Hanzen, C. (2000). Le développement folliculaire chez la vache. 2. Mécanismes hormonaux au cours du cycle et du postpartum. Annales de Médecine Vétérinaire, 144, 385-404.
Peer Reviewed verified by ORBi

Geldhof, A., Goossens, L., Moyaert, I., Cuelenaere, M., Roschlau, D., Nivot, A., Beckers, J.-F., & Ectors, F. (2000). Sex determination in bovine embryos by micro-aspiration: technical aspects and results under farm conditions. Theriogenology, 53 (1), 479.
Editorial reviewed

Gonzalez, F., Sulon, J., Calero, P. O., Batista, M., Cabrera, F., Gracia, A., Garbayo, J. M., & Beckers, J.-F. (2000). Pregnancy-associated glycoprotein (PAG) detection in milk samples as an aid for pregnancy diagnosis [Paper presentation]. 7th International Conference on Goats, Tours, France.
Editorial reviewed

Gonzalez, F., Calero, P., Quesada, E., Garbayo, J. M., & Beckers, J.-F. (2000). The pregnancy-associated glycoproteins (PAGs) in the caprine species: fundamental and clinical approach. In Prceedings 7th International Conference on Goats (pp. 413-415). INRA.
Editorial reviewed

Boly, H., Peneme, B. M. L., Sawadogo, L., Sulon, J., Beckers, J.-F., & Leroy, P. (2000). Effet dose-réponse de la gonadotropine (PMSG) sur la reproduction de la brebis Djalonké variété “Mossi”. Tropicultura, 18 (3), 126-129.
Peer Reviewed verified by ORBi

Perenyi, Z., Garbayo, J. M., Sulon, J., Duwez, L., Szenci, O., & Beckers, J.-F. (2000). PAGs molecules as markers of pregnancy in the bovine: comparison of concentrations obtained by using three different antisera. Biotechnologie, Agronomie, Société et Environnement, 4, 30-31.
Editorial reviewed

Beckers, J.-F. (2000). Les protéines associées à la gestation au service du diagnostic. Radio Agricole.

Melo de Sousa, N., Banga-Mboko, H., El Amiri, B., Perenyi, Z., Sulon, J., Figueiredo, J. R., & Beckers, J.-F. (2000). Comparison of native and inherited immunoglobulins in rabbits immunized against bovine pregnancy-associated glycoprotein-1 (boPAG-1).

Drame, D., Zongo, M., Melo de Sousa, N., Fall, A., Diak, A., Sulon, J., Hansen, C., & Beckers, J.-F. (2000). Pregnancy-associated glycoprotein concentrations in N’Dama followed several months after parturition and maintained with a fertile bull [Poster presentation]. 16th Scientific Meeting of the European Embryo Transfer Association, Santander, Spain.

Zarrouk, A., Drion, P., & Beckers, J.-F. (2000). La pseudogestation chez la chèvre, facteur d'infertilité. Annales de Médecine Vétérinaire, 144, 14-21.
Peer Reviewed verified by ORBi

Banga-Mboko, H., Melo de Sousa, N., El Amiri, B., Perenyi, Z., & Beckers, J.-F. (2000). Normal ongoing pregnancy in rabbit immunised against bovine pregnancy-associated glycoprotein-1 (boPAG-1).

El Amiri, B., Melo de Sousa, N., Perenyi, Z., Banga-Mboko, H., & Beckers, J.-F. (2000). Pregnancy-associated glycoproteins (PAG) in Bos taurus taurus and Bos taurus indicus [Poster presentation]. Annual Conferenco of the International Embryo Transfer Society (IETS), Maastricht, Netherlands.

Beckers, J.-F., & Merial. (2000). Stimufol: un produit original pour optimiser les traitements de superovulation. Vet Repro, 1 (34).

Meurens, F., Delaunois, A., Beckers, J.-F., & Gustin, P. (2000). Les xeno-oestrogènes et leur impact sur l’environnement. Annales de Médecine Vétérinaire, 145, 53-64.
Peer Reviewed verified by ORBi

Nemmar, A., Delaunois, A., Nemery, B., Dessy-Doize, C., Beckers, J.-F., Sulon, J., & Gustin, P. (01 November 1999). Inflammatory Effect of Intratracheal Instillation of Ultrafine Particles in the Rabbit: Role of C-Fiber and Mast Cells. Toxicology and Applied Pharmacology, 160 (3), 250-61. doi:10.1006/taap.1999.8762
Peer Reviewed verified by ORBi

Zarrouk, A., Engeland, I. V., Sulon, J., & Beckers, J.-F. (15 October 1999). Pregnancy-associated glycoprotein levels in pregnant goats inoculated with Toxoplasma gondii or Listeria monocytogenes: a retrospective study. Theriogenology, 52 (6), 1095-104. doi:10.1016/S0093-691X(99)00197-1
Peer Reviewed verified by ORBi

Oussaid, B., Mariana, J. C., Poulin, N., Fontaine, J., Lonergan, P., Beckers, J.-F., & Cognie, Y. (September 1999). Reduction of the developmental competence of sheep oocytes by inhibition of LH pulses during the follicular phase with a GnRH antagonist. Journal of Reproduction and Fertility, 117 (1), 71 - 77. doi:10.1530/jrf.0.1170071
Peer Reviewed verified by ORBi

González, F., Sulon, J., Garbayo, J. M., Batista, M., Cabrera, F., Calero, P., Gracia, A., & Beckers, J.-F. (September 1999). Early pregnancy diagnosis in goats by determination of pregnancy-associated glycoprotein concentrations in plasma samples. Theriogenology, 52 (4), 717 - 725. doi:10.1016/S0093-691X(99)00165-X
Peer Reviewed verified by ORBi

Rabahi, F., Brûlé, S., Sirois, J., Beckers, J.-F., Silversides, D. W., & Lussier, J. G. (August 1999). High expression of bovine alpha glutathione S-transferase (GSTA1, GSTA2) subunits is mainly associated with steroidogenically active cells and regulated by gonadotropins in bovine ovarian follicles. Endocrinology, 140 (8), 3507 - 3517. doi:10.1210/endo.140.8.6886
Peer Reviewed verified by ORBi

Fernández-Arias, A., Alabart, J. L., Folch, J., & Beckers, J.-F. (June 1999). Interspecies pregnancy of Spanish ibex (Capra pyrenaica) fetus in domestic goat (Capra hircus) recipients induces abnormally high plasmatic levels of pregnancy-associated glycoprotein. Theriogenology, 51 (8), 1419 - 1430. doi:10.1016/s0093-691x(99)00086-2
Peer Reviewed verified by ORBi

Hoeben, D., Burvenich, C., Massart-Leën, A.-M., Lenjou, M., Nijs, G., Van Bockstaele, D., & Beckers, J.-F. (May 1999). In vitro effect of ketone bodies, glucocorticosteroids and bovine pregnancy-associated glycoprotein on cultures of bone marrow progenitor cells of cows and calves. Veterinary Immunology and Immunopathology, 68 (2-4), 229 - 240. doi:10.1016/s0165-2427(99)00031-8
Peer Reviewed verified by ORBi

Drion, P., Scenzi, O., Ectors Francis, & Beckers, J.-F. (1999). From the germinal cells to the newborn animal: the transmission of genes and life through the generations [Paper presentation]. 11e Middle European Buiatrics Congress, Balatonfured, Hungary.
Peer reviewed

Zarrouk, A., Engeland, I., Sulon, J., & Beckers, J.-F. (May 1999). Determination of pregnancy-associated glycoprotein concentrations in goats (Capra hircus) with unsuccessful pregnancies: a retrospective study. Theriogenology, 51 (7), 1321-31. doi:10.1016/S0093-691X(99)00076-X
Peer Reviewed verified by ORBi

Nemmar, A., Delaunois, A., Beckers, J.-F., Sulon, J., Bloden, S., & Gustin, P. (23 April 1999). Modulatory Effect of Imetit, a Histamine H3 Receptor Agonist, on C-Fibers, Cholinergic Fibers and Mast Cells in Rabbit Lungs in Vitro. European Journal of Pharmacology, 371 (1), 23-30. doi:10.1016/S0014-2999(99)00176-4
Peer Reviewed verified by ORBi

Perenyi, Z., Garbayo, J. M., Sulon, J., Duwez, L., Szenci, O., & Beckers, J.-F. (1999). PAGs molecules as markers of pregnancy in the bovine: comparison of concentrations obtained by using three different antisera. In Proceedings of 15th Meeting of Association of Embryo Technology in Europe (AETE) (pp. 162). Association of Embryo Technology in Europe.
Editorial reviewed

Gonzalez, F., Sulon, J., Garbayo, J. M., Batista, M., Cabrera, F., Calero, P. O., Gracia, A., & Beckers, J.-F. (1999). Diagnóstico de gestación en la cabra por determinación de las concentraciones de proteínas asociadas a la gestación (PAG). In Proceedings VIII Jornadas sobre Producción Animal, Asociacion Interprofesional para El dessarrollo Agrario (pp. 681-683). ITEA.

Beckers, J.-F. (1999). Les protéines associées à la gestation chez les ruminants: Biomarqueurs du 3e millénaire. -.

Beckers, J.-F. (1999). Les protéines associées à la gestation au service du diagnostic Membres inactifs de la famille des protéinases aspartiques exprimés chez les ruminants.

El Amiri, B., Garbayo, J. M., Mecif, K., Melo de Sousa, N., Banga-Mboko, H., Perenyi, Z., & Beckers, J.-F. (1999). The pregnancy-associated glycoproteins in sheep: new investigations by using the Ouchterlony technique [Poster presentation]. 15th Scientific Meeting of the European Embryo Transfer Association, Lyon, France.

Beckers, J.-F. (1999). Biomarqueurs de la gestation chez les bovins [Paper presentation]. Entreprise Agricole.

Beckers, J.-F. (1999). Les protéines associées à la gestation chez les ruminants: biomarqueurs au service du diagnostic. Annales de Médecine Vétérinaire, 143, 253-263.
Peer Reviewed verified by ORBi

Dosogne, H., Burvenich, C., Freeman, A. E., Kehrli, J., Detilleux, J., Sulon, J., Beckers, J.-F., & Heoben, D. (January 1999). Pregnancy-associated glycoprotein and decreased polymorphonuclear leukocyte function in early post-partum dairy cows. Veterinary Immunology and Immunopathology, 67 (1), 47-54. doi:10.1016/S0165-2427(98)00215-3
Peer Reviewed verified by ORBi

Mermillot, P., Traldi, A. L., Baril, G., Beckers, J.-F., Massip, A., & Cognié, Y. (1999). Vitrification method for direct transfer of sheep embryos [Paper presentation]. Annual Meeting of Association of Embryo Technology in Europe.
Editorial reviewed

Gajewski, Z., Beckers, J.-F., Melo de Sousa, N., Thun, R., Sulon, J., & Faundez, R. (1999). Determination of Pregnancy-Associated Glycoprotein concentrations in sheep: a retrospective study. Advances in Cell Biology, 26 (Supplement 12), 89-96.
Peer Reviewed verified by ORBi

Beckers, J.-F., Drion, P., Garbayo, J. M., Perenyi, Z., Zarrouk, A., Sulon, J., Remy, B., & Szenci, O. (1999). Pregnancy Associated Glycoproteins in Ruminants: Inactive Members of the Aspartic Proteinase Family. Acta Veterinaria Hungarica, 47 (4), 461-9. doi:10.1556/avet.47.1999.4.6
Peer Reviewed verified by ORBi

Garbayo, J. M., Green, J. A., Beckers, J.-F., & Roberts, R. M. (1999). Cloning and expression of pregnancy-associated (PAGs) from the caprine placenta. Biology of Reproduction. Supplement, 60 (1), 493.
Editorial reviewed

Melo de Sousa, N., Garbayo, J. M., Figueiredo, J. R., Sulon, J., Gonçalves, P. B. D., & Beckers, J.-F. (1999). Pregnancy-Associated Glycoprotein and progesterone profiles during pregnancy and postpartum in native goats from north-east of Brazil. Small Ruminant Research, 32, 137-147. doi:10.1016/S0921-4488(98)00171-0
Peer Reviewed verified by ORBi

Theau-Clément, M., Lebas, F., Drion, P., Beckers, J.-F., Poujardieu, B., & Mercier, P. (1999). PMSG et production d'anticorps : relation avec la productivité des lapines. Cuniculture, 26 (3), 123-126.
Peer reviewed

Szenci, O., Beckers, J.-F., Humblot, P., Sulon, J., Sasser, G., Taverne, M., Varga, J., Baltusen, R., & Schekk, G. (July 1998). Comparison of ultrasonography, bovine pregnancy specific B, and bovine pregnancy-associated glycoprotein 1 test for pregnancy detection in dairy cows. Theriogenology, 50 (1), 77-88. doi:10.1016/S0093-691X(98)00115-0
Peer Reviewed verified by ORBi

Beckers, J.-F., Zarrouk, A., Batalha, E. S., Garbayo, J.-M., Mester, L., & Szenci, O. (July 1998). Endocrinology of pregnancy: chorionic somatomammotropins and pregnancy-associated glycoproteins: review. Acta Veterinaria Hungarica, 46 (2), 175-189.
Peer Reviewed verified by ORBi

Drion, P., Hanzen, C., Houtain, J. Y., & Beckers, J.-F. (1998). Connaissances actualisées des regulations de la croissance folliculaire chez les bovins: Folliculogenèse, Cyclicité, Anoestrus [Paper presentation]. Journées Nationales des Groupements Techniques Vétérinaires, Tours, France.
Peer reviewed

Beckers, J.-F., Drion, P., Garbayo, J. M., Perenyi, Z., Zarrouk, A., Sulon, J., Remy, B., & Szenci, O. (1998). Pregnancy-associated glycoproteins in the ruminants: inactive members of the Aspartic Protease family. In Proceedings of the Middel European Buiatrics Congress, 1998 (pp. 125-130).
Peer reviewed

Zarrouk, A., Remy, B., Sulon, J., Drion, P., Desbuleux, H., & Beckers, J.-F. (May 1998). Endocrinologie de la gestation chez les ruminants: les protéines placentaires. Annales de Médecine Vétérinaire, 142, 171-184.
Peer Reviewed verified by ORBi

Baril, G., Leboeuf, B., Remy, B., Drion, P., Brenelas, D., Bonne, J. L., Pougnard, J. L., Saumande, J., & Beckers, J.-F. (1998). Effets de la répétition des traitements Progestagènes/PMSG chez la chèvre [Paper presentation]. Colloque de Niort. Reproduction Caprine: nouveaux contextes, derniers acquis, Niort, France.
Peer reviewed

Nemmar, A., Gustin, P., Delaunois, A., Beckers, J.-F., & Sulon, J. (March 1998). Radioimmunoassay of Substance P in Lung Perfusate. Journal of Pharmacological and Toxicological Methods, 39 (2), 109-115. doi:10.1016/S1056-8719(98)00012-4
Peer Reviewed verified by ORBi

Beckers, J.-F. (1998). Les protéines associées à la gestation chez les ruminants: biomarqueurs du 3ème millénaire [Paper presentation]. Foire Agricole de Libramont, Libramont, Belgium.

Melo de Sousa, N., Garbayo, J. M., Figueiredo, J. R., Sulon, J., & Beckers, J.-F. (1998). Sensitivity and precision of a heterologous PAG (Pregnancy-Associated Glycoprotein) radioimmunoassay. Arquivos - Faculdade de Veterinária, UFRGS, 26 (1 (Suppl)), 372-373.

Garbayo, J. M., Remy, B., Alabart, J. L., Folch, J., Wattiez, R., Falmagne, P., & Beckers, J.-F. (1998). Isolation and Partial Characterization of a Pregnancy-Associated Glycoprotein Family from the Goat Placenta. Biology of Reproduction, 58 (1), 109-115. doi:10.1095/biolreprod58.1.109
Peer Reviewed verified by ORBi

Theau Clément, M., Lebas, F., Drion, P., Remy, & Beckers, J.-F. (1998). Evolution of anti-PMSG antibodies in response to PMSG doses and number of injections. Relationship with rabbit doe productivity [Paper presentation]. XIV Colloque Association Européenne de Transfert Embryonnaire A.E.T.E, Venise, Italy.
Peer reviewed

Theau-Clément, M., Lebas, F., Drion, P., & Beckers, J.-F. (1998). Évolution de la production d’anticorps anti-PMSG en fonction de la dose et du nombre d’injections : relation avec la productivité des lapines [Paper presentation]. 7èmes Journées de la Recherche Cunicole, Lyon, France.
Peer reviewed

Ranilla, M. J., Gebbie, E., King, M. E., Carolan, C., Sinclair, K. D., McEvoy, T. G., Beckers, J.-F., Broadbent P.J., & Robinson, J. J. (1998). The incidence of embryo and fetal loss following the transfer of in vitro cultured sheep embryos. Theriogenology, 49 (1), 248.
Editorial reviewed

Cognié, Y., Poulin, N., Oussaid, B., & Beckers, J.-F. (1998). Administration of LH in the preovulatory period improves oocyte recovery and oocyte development competence in sheep superovulated with purified FSH. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 138). Association of Embryo Technology in Europe.
Editorial reviewed

Delval, A., Ectors, F., Beckers, J.-F., Ectors, F., & Loos, F. (1998). Vitrification of day 6 in vitro produced bovine embryos as donors for cloning by nuclear transfer. Theriogenology, 49 (1), 165.
Editorial reviewed

Oussaid, B., Lonergan, P., Khatir, H., Monniaux, D., Beckers, J.-F., Cognié, Y., & Mermillod, P. (1998). Effect of prolonged follicular phase with GNRH antagonist on follicular atresia and oocytes developmental competence in superovulated heifers. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 224). Association of Embryo Technology in Europe.
Editorial reviewed

Theau-Clément, M., Lebas, F., Drion, P., Remy, B., & Beckers, J.-F. (1998). Evolution de la production d’anticoprs anti-PMSG en function de la dose et du nombre d’injections : relation avec la production des lapines. In Proceedings 7e Journées de Recherche Cunicole (pp. 226-228). -.
Editorial reviewed

Szenci, O., Taverne, M. A. M., Beckers, J.-F., Sulon, J., Varga, J., Bözsönyi, L., Hanzen, C., & Schekk, G. (1998). Evaluation of false ultrasonographic pregnancy diagnoses in cows by measuring plasma levels of bovine pregnancy-associated glycoprotein 1 (bPAG1). Veterinary Record, 142 (2), 304-306. doi:10.1136/vr.142.12.304
Peer Reviewed verified by ORBi

Garbayo, J. M., Wattiez, R., Falmagne, P., & Beckers, J.-F. (1998). Pregnancy-Associated Glycoprotein 55 kDa [Fragment] from Capra hircus placenta - Accession number P80935. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157465.

Drion, P., Houtain, J. Y., Drame, E. H. D., Ectors Francis, Hanzen, C., & Beckers, J.-F. (1998). Influence des régulations situées à l'interface du métabolisme et de la reproduction sur la folliculogenèse et la reprise des cycles en post-partum [Paper presentation]. CESAM-Objectif 1- Hainaut, Mons, Belgium.

Garbayo, J. M., Wattiez, R., Falmagne, P., & Beckers, J.-F. (1998). Pregnancy-Associated Glycoprotein 59 kDa [Fragment] from Dama dama placenta - Accession number P80934. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157466.

Drion, P., Houtain, J.-Y., MC Namara, M., Baril, G., Heyman, Y., Cognié, Y., Theau-Clément, M., Leboeuf, B., Ectors, F., Segers, K., & Beckers, J.-F. (1998). Utilisation répétée des gonadotropines exogènes dans le contrôle de la reproduction: justifications et effets secondaires potentiels. Annales de Médecine Vétérinaire, 142 (2), 373-396.
Peer Reviewed verified by ORBi

Garbayo, J. M., Wattiez, R., Falmagne, P., & Beckers, J.-F. (1998). Pregnancy-Associated Glycoprotein 62 kDa [Fragment] from Capra hircus - Accession number P80933. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/157467.

Drion, P., Remy, B., Mc Namara, M., Baril, G., Cognié, Y., Leboeuf, B., Theau Clément, M., Desbuleux, H., Ectors Francis, & Beckers, J.-F. (1997). Side effects of repeated treatments with exogeneous gonadotropins in cattle, sheep and goats [Paper presentation]. 13è Colloque Association Européenne de Transfert Embryonnaire, Lyon, France.
Peer reviewed

Theau-Clement, M., Lebas, F., Remy, B., Drion, P., & Beckers, J.-F. (1997). Absence of relation between the production of anti-PMSG antibodies and the receptivity or productivity of rabbit does [Paper presentation]. 13è Colloque Association Européenne de Transfert Embryonnaire, Lyon, France.
Peer reviewed

Drion, P., De Roover, R., Houtain JY, Remy, B., Sulon, J., Dessy, F., & Beckers, J.-F. (1997). Repeated high doses administration of eCG in cows submitted to an ovum pick-up experimental protocol: plasmatic eCG binding rate follow up [Paper presentation]. 13è Colloque Association Européenne de Transfert Embryonnaire, Lyon, France.
Peer reviewed

Ectors, F., Sulon, J., Delval, A., Remy, B., Drion, P., & Beckers, J.-F. (February 1997). Bovine pregnancy-associated glycoprotein profiles as indicators of trophoblastic function after in vitro manipulation or culture. Reproduction in Domestic Animals, 32 (1-2), 52.
Peer Reviewed verified by ORBi

Moreira da Silva, F., Burvenich, C., Paape, M. J., Beckers, J.-F., & Leen, A. M. (1997). Effect of cortisol, estradiol, progesterone and pregnancy-associated glycoprotein on oxidative (OB) activity of bovine neutrophils (PMN). In Proceedings of the 32nd National Meeting-Hyatt Regency Baltimore. Baltimore, United States: Society for Leukocyte Biology.
Editorial reviewed

Garbayo, J. M., Remy, B., Alabart, J. L., Folch, J., Wattiez, R., & Beckers, J.-F. (1997). Isolation and characterization of a caprine pregnancy-associated glycoprotein (cPAG). Biology of Reproduction. Supplement, 56 (Suppl 1), 89.
Editorial reviewed

Van den Hurk, R., Bevers, M. M., & Beckers, J.-F. (1997). In vivo and in vitro development of preantral follicles. Theriogenology, 47 (1), 73-82. doi:10.1016/S0093-691X(96)00341-X
Peer Reviewed verified by ORBi

Delahaut, P., Sulon, J., Ectors, F., & Beckers, J.-F. (1997). Le diagnostic de la reproduction: fertilité, gestation, anœstrus. Cahiers Agricultures, 6, 137-148.
Peer Reviewed verified by ORBi

Zaiem, I., Tainturier, D., Ben Othmen, H., Beckers, J.-F., & Chemli, J. (1997). Non délivrance et infécondité: intérêts de l’étiproston et du dosage de la PAGI (pregnancy-associated glycoprotein I) au cours du postpartum chez la vache. Revue de Médecine Vétérinaire, 148 (8-9), 725-732.
Peer reviewed

Hulshof, S. C. J., Figueiredo, J. R., Beckers, J.-F., Bevers, M. M., & Vanderstichele, H. (1997). Bovine preantral follicles and activin: immunohistochemistry for activin and activin receptor and the effect of bovine activin A in vitro. Theriogenology, 48, 133-142. doi:10.1016/S0093-691X(97)00196-9
Peer Reviewed verified by ORBi

Ectors, F., Delval, A., Beckers, J.-F., Drion, P., Remy, B., & Ectors, F. (1997). Le clonage par transfert de noyau dans l'espèce bovine. Annales de Médecine Vétérinaire, 141, 239-244.
Peer Reviewed verified by ORBi

Drion, P., Ectors, F., Hanzen, C., Houtain, J.-Y., Lonergan, P., & Beckers, J.-F. (1997). Regolazione della crescité follicolare e luteinica. Ovulazione, corpo luteo e luteolisi. Riproduzione dei Ruminanti, 14 (9), 17-25.
Peer reviewed

Aguilar, B., Vos, P. L. A. M., Beckers, J.-F., Hensen, E. J., & Dieleman, S. J. (1997). The role of the Major Histocompatibility Complex in bovine embryo transfer. Theriogenology, 47 (1), 111 - 120. doi:10.1016/S0093-691X(96)00345-7
Peer Reviewed verified by ORBi

Remy, B., Bruyas, J. F., Beckers, J.-F., Leduc, F., Fieni, F., & Tainturier, D. (1997). Ovulation rates in donor mares treated with purified equine FSH. Theriogenology, 47 (1), 394.
Editorial reviewed

Lajous, D., Joly, T., Baril, G., Cognié, Y., & Beckers, J.-F. (1997). Superovulatory response and quality of embryos recovered from romanov ewes after a single injection of pFSH dissolved in polyvinylpyrrolidone. In Proceedings of the 13th Meeting AETE (pp. 166). Association of Embryo Technology in Europe.
Editorial reviewed

Ranilla, M. J., Gebbie, F. E., Mitchell, L. M., King, M. E., Skinner, J. G., Beckers, J.-F., & Robinson, J. J. (1997). Pregnancy-associated glycoprotein (PAG) in postpartum ewes. In Proceedings of the British Society of Animal Science (pp. 185). -.
Editorial reviewed

Oussaid, B., Mariana, J. C., Poulin, N., Beckers, J.-F., & Cognié, Y. (1997). Effect of LH pulses during the follicular phase on developmental competence of sheep oocyte. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 190). Association of Embryo Technology in Europe.
Editorial reviewed

Beckers, J.-F. (1997). Endocrinology of pregnancy in ruminants: chorionic somatomammotropin and pregnancy-associated glycoproteins. In Proceedings of the Buiatric Congress of Budapest (pp. 11-20). Hungary: Magyar Buiatrikus.
Editorial reviewed

Xie, S., Green, J., Bao, B., Beckers, J.-F., Valdez, K. E., Hakami, L., & Roberts, R. M. (1997). Multiple pregnancy-associated glycoproteins are secreted by day 100 sheep placenta. Biology of Reproduction, 57 (6), 1384-1393. doi:10.1095/biolreprod57.6.1384
Peer Reviewed verified by ORBi

Melo de Sousa, N., Garbayo, J. M., Figueiredo, J. R., Sulon, J., & Beckers, J.-F. (1997). Pregnancy-Associated Glycoprotein (PAG) profiles during pregnancy and postpartum and progesterone (P4) profiles during pregnancy in native goats from Northeast of Brazil. Arquivos - Faculdade de Veterinária, UFRGS, 25 (1 (Suppl)), 304-305.

Melo de Sousa, N., de Figueiredo, J. R., Gonçalves, P. B. D., & Beckers, J.-F. (1997). Protéinas placentárias em mamíferos. Ciência Animal, 7 (1), 43-55.
Peer reviewed

Ranilla, M.-J., Sulon, J., Mantecón, A. R., Beckers, J.-F., & Carro, M. D. (1997). Plasma pregnancy-associated glycoprotein and progesterone concentrations in pregnant Assaff ewes carrying single and twin lambs. Small Ruminant Research, 24 (2), 125-131. doi:10.1016/S0921-4488(96)00922-4
Peer Reviewed verified by ORBi

Drion, P., Beckers, J.-F., Ectors, F., Hanzen, C., Houtain, J.-Y., & Lonergan, P. (1997). Regolazione della crescité follicolare e luteinica. Folliculogenesi e atresia. Summa. Summa, 14 (9), 5-16.
Peer reviewed

Ali, M., Gebbie, F. E., Sinclair K.D., Hutchinson J.S.M., Beckers, J.-F., & Broadbent P.J. (1997). Half-life of serum bovine pregnancy-associated glycoprotein (bPAG), post-partum anoestrus and performance of beef cows. Journal of Reproduction and Fertility. Supplement, 20, 25.
Editorial reviewed

Patel, O. V., Sulon, J., Beckers, J.-F., Takahashi, T., Hirako, M., Sasaki, N., & Domeki, I. (1997). Plasma bovine pregnancy-associated glycoprotein concentrations throughout gestation in relationship fetal number in the cow. European Journal of Endocrinology, 137, 423-428. doi:10.1530/eje.0.1370423
Peer Reviewed verified by ORBi

Bodin, L., Drion, P., Remy, B., Brice, G., Cognié, Y., & Beckers, J.-F. (1997). Anti-PMSG in sheep subjected annualy to oestrus synchronisation. Reproduction Nutrition Development, 37, 651-660. doi:10.1051/rnd:19970604
Peer Reviewed verified by ORBi

Ectors, F., Drion, P., Delval, A., Smith, L. C., Sulon, J., Zaaier, D., Scenzi, O., Remy, B., Beckers, J.-F., & Ectors, F. (1996). Interests of pregnancy follow-up in cows after embryo transfer : special focusing on IVP & NT [Paper presentation]. 12è Colloque Association Européenne de Transfert Embryonnaire, pp 95-103, Lyon, France.
Peer reviewed

Schmidt, T., Greve, T., Avery, B., Beckers, J.-F., Sulon, J., & Hansen, H. B. (August 1996). Pregnancies, calves and calf viability after transfer of in vitro produced bovine embryos. Theriogenology, 46 (3), 527-539. doi:10.1016/0093-691X(96)00174-4
Peer Reviewed verified by ORBi

Baril, G., Remy, B., Leboeuf, J. F., Beckers, J.-F., & Saumande, J. (June 1996). Synchronization of estrus in goats: the relationship between PMSG binding in plasma, time of occurrence of estrus and fertility following artificial insemination. Theriogenology, 45 (8), 1553-1559. doi:10.1016/0093-691X(96)00123-9
Peer Reviewed verified by ORBi

Osborn, D. A., Beckers, J.-F., Sulon, J., Gasset, J. W., Muller, L. I., Murphy, B. P., Miller, K. V., & Marchinton, R. L. (April 1996). Use of two pregnancy-associated glycoprotein RIA's for pregnancy diagnosis in white-tailed deer. Journal of Wildlife Management, 60 (2), 388-393. doi:10.2307/3802240
Peer Reviewed verified by ORBi

Delval, A., Ectors, F., Touati, K., Beckers, J.-F., & Ectors, F. (1996). Vitrification of bovine embryos produced in vitro: survival, hatching and pregnancy rates. Theriogenology, 45 (1), 178.
Editorial reviewed

Moreira da Silva, F., Beckers, J.-F., & Burvenich, C. (1996). Immunodulating influence of bovine pregnancy-associated glycoprotein (bPAG) on the respiratory burst of polymorphonuclear leukocytes [Paper presentation]. Symposium on Milk synthesis, Secretion and Removal in Ruminants, Switzerland.

Delahaut, P., Sulon, J., Ectors, F., & Beckers, J.-F. (1996). Le diagnostic au service de la reproduction: fertilité-gestation-anoestrus [Paper presentation]. Actualité Scientifique: Reproduction et Production Laitière.

Melo de Sousa, N., Garbayo, J. M., Sulon, J., Brito, F. M., Lucci, C. M., Figueiredo, J. R., & Beckers, J.-F. (1996). Plasmatic profiles of Pregnancy-Associated Glycoprotein (PAG) in european goats with single and multiple gestation [Poster presentation]. XV Panamerican Congress of Veterinary Sciences, Campo Grande, Brazil.

Ectors, F., Schmidt, M., Smith, L., Sulon, J., Delval, A., Remy, B., Avery, B., & Beckers, J.-F. (01 January 1996). bPAG PROFILES IN RECIPIENT HEIFERS AFTER TRANSFER OF IVF AND NUCLEAR TRANSFER EMBRYOS. Theriogenology, 45 (1), 283.
Peer Reviewed verified by ORBi

Rabahi, F., Beckers, J.-F., Monniaux, D., Siversides, D. W., & Lussier, J. (1996). A major protein (28 kDa) expressed in granulose cells is the alpha glutathione S-transferase. Biology of Reproduction. Supplement, 54 (Suppl. 1), 88.
Editorial reviewed

Van Cauwenberge, A., Nonclercq, D., Zanen, J., Beckers, J.-F., Alexandre, H., Heuson-Stiennon, J. A., & Toubeau, G. (1996). Dynamic of pituitary cell populations in male syrian hamster exposed to diethylstilbestrol [Paper presentation]. Colloque Annuel de la Société de Biologie Cellulaire de France, Montpellier, France.
Editorial reviewed

Brulé, S., Rabahi, F., Beckers, J.-F., Monniaux, D., Silversides, D. W., & Lussier, J. G. (1996). Isolation of a cDNA encoding a substrate for protein kinase C in bovine luteal cells: nucleotide sequence and tissue expression. Biology of Reproduction. Supplement, 54 (Suppl. 1), 160.
Editorial reviewed

Moreira da Silva, F., Massart-Leen, A., Beckers, J.-F., Russel-Pinto, F., & Burvenich, C. (1996). Studies on reproduction and immunity: effect of the reproductive hormones on the oxidative burst activity of bovine polymorphonuclear leukocytes [Paper presentation]. Half Centenary of Laction Biology Research at the University of Ghent, Ghent, Belgium.

Moreira da Silva, F., Beckers, J.-F., Burvenich, C., Remy, B., Sulon, J., & Brosse, L. (1996). Effect of bovine pregnancy-associated glycoprotein (bPAG) on the oxidative burst of polymorphonuclear leukocytes from cows. In Proceedings of 10th International Congress of Endocrinology (pp. 634). -.
Editorial reviewed

Beckers, J.-F., Drion, P., Figueiredo, J. R., Goffin, L., Pirottin, D., & Ectors, F. (1996). The ovarian follicle in cow: in vivo growth and in vitro culture. Reproduction in Domestic Animals, 31, 543-548.
Peer Reviewed verified by ORBi

Nonclercq, D., Reverse, D., Toubeau, G., Beckers, J.-F., Sulon, J., Laurent, G., & Zanen, J. (1996). In situ demonstration of germinal cell apoptosis during diethylstilbestrol-induced testis regression in adult male syrian hamsters. Biology of Reproduction, 55 (6), 1368-1376. doi:10.1095/biolreprod55.6.1368
Peer Reviewed verified by ORBi

Melo de Sousa, N., Garbayo, J. M., Sulon, J., Figueiredo, J. R., Freitas, V. J. F., Brito, F. M., Lucci, C. M., & Beckers, J.-F. (1996). Progesterone (P4) levels during gestation in Canindé and Moxotó goats [Poster presentation]. XV Panamerican Congress of Veterinary Sciences, Campo Grande, Brazil.

Drion, P., Ectors, F., Hanzen, C., Houtain, J. Y., Lonergan, P., & Beckers, J.-F. (1996). Régulation de la croissance folliculaire et lutéale: 1. Folliculogenèse et atrésie. Point Vétérinaire, 28, 37-47.
Peer reviewed

Xie, S., Nagel, R. J., Green, J., Beckers, J.-F., & Roberts, R. M. (January 1996). Trophoblast-specific processing and phosphorylaton of pregnancy-associated glycoprotein-1 in day 15 to 25 sheep placenta. Biology of Reproduction, 54 (1), 122-129. doi:10.1095/biolreprod54.1.122
Peer Reviewed verified by ORBi

Melo de Sousa, N., Garbayo, J. M., Sulon, J., Figueiredo, J. R., Freitas, V. J. F., Lucci, C. M., Brito, F. M., & Beckers, J.-F. (1996). Pregnancy-Associated Glycoprotein (PAG) profiles during gestation and post-partum in Canindé and Moxotó goats [Poster presentation]. XV Panamerican Congress of Veterinary Sciences, Campo Grande, Brazil.

Skinner, J. G., Gray, D., Gebbie, F. E., Beckers, J.-F., & Sulon, J. (1996). Field evaluation of pregnancy diagnosis using bovine pregnancy-associated glycoprotein (bPAG). Cattle Practice, 4 (3), 281-284.
Peer reviewed

Ectors, F., Delval, A., Smith, L., Sulon, J., Touati, K., Remy, B., Beckers, J.-F., & Ectors, F. (1996). Trophoblastic disregulations in pregnancies resulting from transfer of cloned embryos in the bovine species. In 12e Colloque Scientifique de l'Association Européenne du Transfert Embryonnaire (pp. 95-102).

Drion, P., Ectors, F., Hanzen, C., Houtain, J. Y., Lonergan, P., & Beckers, J.-F. (1996). Régulation de la croissance folliculaire et lutéale: 2. Ovulation, corps jaune et lutéolyse. Point Vétérinaire, 28, 49-56.
Peer reviewed

Chemli, J., Tainturier, D., Beckers, J.-F., Hmidi, L., & Zaiem, I. (1996). Diagnostic précoce de gestation chez les bovins par dosage d’une protéine trophoblastique: la protéine bovine associée à la gestation (bPAG: bovine pregnancy-associated glycoprotein) [Paper presentation]. Actualité Scientifique: Reproduction et Production Laitière.

Tainturier, D., Bedel, M., Beckers, J.-F., Fieni, F., & Bruyas, J. F. (1996). Cinétique de la bPAG (bovine pregnancy-associated glycoprotein) dans le plasma et dans le lait au cours des trois semaines suivant le part chez la vache laitière [Paper presentation]. Actualité Scientifique: Reproduction et Production Laitière.

Delahaut, P., Remy, B., Pirson, J.-L., Ectors, F., Sulon, J., & Beckers, J.-F. (1996). Ruminant pregnancy-associated glycoproteins as seric parameter to diagnose and follow ongoing or failing pregnancies. In Proceedings of VIII International Symposium of Veterinary Laboratory Diagnosticians. Veterinary Laboratory Diagnosticians.
Editorial reviewed

Ali, M., Gebbie, F. E., Sinclair, K. D., Broadbent, P. J., Hutchinson, J. S. M., Beckers, J.-F., & Sulon, J. (1996). Post-Partum decline in serum pregnancy-associated glycoprotein (bPAG) in four breeds of cattle under different nutritional regimes. Journal of Reproduction and Fertility, 17, 43.
Editorial reviewed

Lebas, F., Theau-Clement, M., Remy, B., Drion, P., & Beckers, J.-F. (1996). Production of anti-PMSG antibodies and its relation to the productivity of rabbit does. World Rabbit Science, 4 (2), 57-62.
Peer reviewed

Ectors, F., Koulischer, L., JAMAR, M., HERENS, C., VERLOES, A., Remy, B., & Beckers, J.-F. (August 1995). Cytogenetic study of bovine oocytes matured in vitro. Theriogenology, 44 (3), 445-450. doi:10.1016/0093-691X(95)00198-H
Peer Reviewed verified by ORBi

Roberts, R. M., Xie, S., Nagel, R. J., Low, B., Green, J., & Beckers, J.-F. (1995). Glycoproteins of the aspartyl proteinase gene family secreted by the developing placenta. Advances in Experimental Medicine and Biology, 231-240. doi:10.1007/978-1-4615-1871-6_27
Peer Reviewed verified by ORBi

Remy, B., Rabahi, F., Duwez, L., Thonon, F., Ectors, F., Ectors, F., & Beckers, J.-F. (July 1995). Fractionation and partial characterization of proteins extracted from the bovine fallopian tube: preparation of tools for further purifications. Theriogenology, 44 (1), 95-107. doi:10.1016/0093-691X(95)00151-W
Peer Reviewed verified by ORBi

Hulshof, S. C. J., Figueiredo, J. R., Beckers, J.-F., & Bevers, M. M. (July 1995). Effects of fetal bovine serum, FSH and 17ß-Estradiol on the culture of bovine preantral follicles. Theriogenology, 44 (2), 217-226. doi:10.1016/0093-691X(95)00171-4
Peer Reviewed verified by ORBi

Xie, S., Green, J., Beckers, J.-F., & Roberts, R. M. (July 1995). The gene encoding bovine pregnancy-associated glycoprotein-1, an inactive member of the aspartic proteinase family. Gene, 159 (2), 193-197. doi:10.1016/0378-1119(94)00928-L
Peer Reviewed verified by ORBi

Zoli, A. P., Beckers, J.-F., & Ectors, F. (May 1995). Isolement et caractérisation partielle d'une glycoprotéine associée à la gestation chez la brebis. Annales de Médecine Vétérinaire, 139, 177-184.
Peer Reviewed verified by ORBi

Nowshari, M. A., Beckers, J.-F., & Holtz, W. (March 1995). Superovulation of goats with purified pFSH supplemented with defined amounts of pLH. Theriogenology, 43, 797-802. doi:10.1016/0093-691X(95)00022-Z
Peer Reviewed verified by ORBi

Remy, B., Rabahi, F., Wattiez, R., Duwez, L., Toubeau, G., Falmagne, P., Ectors, F., & Beckers, J.-F. (1995). Isolation and purification of annexin 1 from bovine oviduct. In Proceedings of the 77th Annual Meeting of the Endocrine Society (pp. 312). Endocrine Society.
Editorial reviewed

Sinclair, K. D., Broadbent, P. J., Gebbie, F. E., Dolman, D. F., & Beckers, J.-F. (1995). Pregnancy diagnosis using bovine pregnancy-associated glycoprotein in purebred beef heifers mated at a first or second synchronised oestrus. In Proceeding of the British Society of Animal Science. United Kingdom: British Society of Animal Science.
Editorial reviewed

Brice, G., Bodin, L., Remy, B., Maurel, M. C., & Beckers, J.-F. (1995). Effets de la PMSG liés aux traitements répétés de synchronisation sur la reproduction ovine. In Proceedings Rencontres autour des Recherches sur les Ruminants (pp. 391-394). Institut de l'Élevage - Idele.fr.
Editorial reviewed

Delval, A., Ectors, F., Touati, K., Remy, B., Beckers, J.-F., & Ectors, F. (1995). Survival and pregnancy rates, after vitrification, of bovine embryos produced in vitro. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 162). Association of Embryo Technology in Europe.
Editorial reviewed

Ectors, F., Delval, A., Smith, L., Touati, K., Remy, B., Beckers, J.-F., & Ectors, F. (1995). Viability of cloned bovine embryos after one or two cycles of nuclear transfer and in vitro culture. Theriogenology, 44, 925-933. doi:10.1016/0093-691X(95)00280-L
Peer Reviewed verified by ORBi

Figueiredo, J. R., Hulshof, S. C. J., Thiry, M., Van den Hurk, R., Bevers, M. M., Nusgens, B., & Beckers, J.-F. (1995). Extracellular matrix proteins and basement membrane identification in bovine ovaries and significance for the attachment of cultured preantral follicles. Theriogenology, 43 (5), 845-858. doi:10.1016/0093-691X(95)00036-8
Peer Reviewed verified by ORBi

Goffin, L., Thonon, F., Hanzen, C., Beckers, J.-F., & Ectors, F. (1995). Preliminary results of an ovum-pick-up (OPU) study in cattle. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 180). Association of Embryo Technology in Europe.
Editorial reviewed

Figueiredo, J. R., Hulshof, S. C. J., & Beckers, J.-F. (1995). Nova biotecnologia: isolamento, caracterizaçao e cultura de foliculos ovarianos pré-antrais em bovinos [Paper presentation]. I Simpósio Nacional de Biotecnologia da Reprodução de Mammíferos Domésticos, Fortaleza, Brazil.

Bodin, L., Brice, G., Remy, B., Maurel, M. C., & Beckers, J.-F. (1995). Effects of repeated PMSG treatments on sheep reproduction. In Proceedings of the 46th Annual Meeting of the European Association for Animal Production (pp. 1-6). European Association for Animal Production.
Editorial reviewed

Fiéni, F., Beckers, J.-F., Buggin, M., Bruyas, J. F., & Perrin, J. (1995). Evaluation of cryopreservation techniques for goat embryos. Reproduction Nutrition Development, 35, 367-373. doi:10.1016/0926-5287(96)80205-X
Peer Reviewed verified by ORBi

Thonon, F., Lens, H., Touati, K., Ectors, F., Delval, A., Beckers, J.-F., & Ectors, F. (1995). A step-wise procedure for cryoprotectant equilibration emproves the survival rate after thawing of in vitro produced embryos. Theriogenology, 40 (1), 338.
Editorial reviewed

Ectors, F., Delval, A., Smith, L. C., Touati, K., Beckers, J.-F., & Ectors, F. (1995). First and second cycle nuclear transfer in cattle: comparison of efficiency in embryo development and ongoing pregnancies. Theriogenology, 40 (1), 204.
Editorial reviewed

Beckers, J.-F., Remy, B., Baril, G., Figueiredo, J. R., Bureau, F., Sulon, J., & Saumande, J. (1995). Anti-eCG antibodies are transmitted via the colostrum in goats. Theriogenology, 43 (1), 165.
Editorial reviewed

Roberts, R. M., Beckers, J.-F., Zoli, A. P., Xie, S., Szafranska, B., & Green, J. A. (1995). Pregnancy-associated glycoproteins of the ruminant placenta: a complex family of catalytically inactive aspartic proteinases. In Proceedings of the VI Meeting of the European Placenta Group Joint Meeting with the Rochester Trophoblast Conference (pp. 1). European Placenta Group.
Editorial reviewed

Cognié, Y., Poulain, N., Pignon, P., Sulon, J., Beckers, J.-F., & Guerin, Y. (1995). Does heparin affect development ability of IVF goat oocytes ? In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 146). Association of Embryo Technology in Europe.
Editorial reviewed

Zoli, A. P., Beckers, J.-F., & Ectors, F. (1995). Identification and charactérization of a new pregnancy-associated antigen of cattle and its application for pregnancy diagnosis [Paper presentation]. I Simposium Nacional de Biotechnologie de la Reproduction de Mamiferos.

Smorag, Z., Beckers, J.-F., Bychawski, S., & Znanniecki, R. (1995). Superovulation in cows with FSH preparation containing different amounts of LH. Roczniki Naukowe Zootechniki, 22 (2), 103-108.

Xie, S., Low, B. G., Nagel, R. J., Beckers, J.-F., & Roberts, R. M. (December 1994). A novel glycoprotein of the aspartic proteinase gene family expressed in bovine placental trophectoderm. Biology of Reproduction, 51 (6), 1145-1153. doi:10.1095/biolreprod51.6.1145
Peer Reviewed verified by ORBi

Ranilla, M.-J., Sulon, J., Carro, M. D., Mantécon, A. R., & Beckers, J.-F. (November 1994). Plasmatic profiles of pregnancy-associated glycoprotein and progesterone levels during gestation in Churra and Merino sheep. Theriogenology, 42 (3), 537-545. doi:10.1016/0093-691X(94)90691-B
Peer Reviewed verified by ORBi

Beckers, J.-F., Roberts, R. M., Zoli, A. P., Ectors, F., & Derivaux, J. (October 1994). Molécules de la famille des protéases aspartiques dans le placenta des ruminants: hormones ou protéines ? Bulletin et Mémoires de l'Académie Royale de Médecine de Belgique, 149 (8-11), 355-367.
Peer Reviewed verified by ORBi

Hulshof, S. C. J., Figueiredo, J. R., Beckers, J.-F., Bevers, M. M., & Van den Hurk, R. (July 1994). Isolation and characterization of preantral follicles from fetal bovine ovaries. Veterinary Quarterly, 16 (2), 78-80. doi:10.1080/01652176.1994.9694423
Peer Reviewed verified by ORBi

Hulshof, S. C. J., Dijkstra, G., Van der Beek, E. M., Bevers, M. M., Figueiredo, J. R., Beckers, J.-F., & Van den Hurk, R. (March 1994). Immunocytochemical localization of vasoactive intestinal peptide (VIP) and neuropeptide Y (NPY) in the bovine ovary. Biology of Reproduction, 50 (3), 553-560. doi:10.1095/biolreprod50.3.553
Peer Reviewed verified by ORBi

Garbayo, J. M., Alabart, J. L., Folch, J., & Beckers, J.-F. (1994). Concentration de PAG (pregnancy-associated glycoprotein) a lo largo de la gestation en ovejas manchegas immunizadas con fecundin A o contra una mezcla de esteroides. In Proceedings of the 7ª Jornadas Internacionales de Reproduccion Animal. Spain: Université de Saragosse.

Figueiredo, J. R., Hulshof, S. C. J., Van den Hurk, R., Bevers, M. M., Thiry, M., Nugens, B., & Beckers, J.-F. (1994). The physiological status of the ovarian donor affects the in vitro development of isolated bovine preantral follicles. Theriogenology, 42, 1303-1310.
Peer Reviewed verified by ORBi

Figueiredo, J., Hulshof, S., Thiry, M., Nusgens, B., Van den Hurk, R., Ectors, F., Bevers, M., & Beckers, J.-F. (1994). Sources of bovine ovaries affect significantly the development of isolated preantral follicle in vitro [Poster presentation]. 10ème Reunion A.E.T.E, Lyon, France.

Figueiredo, J., Hulshof, S., Thiry, M., Nusgens, B., Van den Hurk, R., Ectors, F., Bevers, M., & Beckers, J.-F. (1994). Effects of extracellular matrix proteins on the attachment of bovine preantral follicles in serum free medium [Poster presentation]. 10ème Reunion A.E.T.E, Lyon, France.

Ranilla, M. J., Carro, M. D., Sulon, J., Mantecon, A. R., & Beckers, J.-F. (1994). Evolución de las concentraciones plasmáticas de PAG (pregnancy-associated glycoprotein) y progesterona en ovejas de raza Assaff durante la gestación y el postparto. In Proceedings of the 7e Journées de Productions Animales (pp. 1-3). Spain: Université de Saragosse.
Editorial reviewed

Thonon, F., Ectors, F., Delval, A., Lenz, H., Touati, K., Beckers, J.-F., & Ectors, F. (January 1994). Le point sur la production d’embryons in vitro: limitations et perspectives de la recherche. Annales de Médecine Vétérinaire, 138 (1), 33-40.
Peer Reviewed verified by ORBi

Figueiredo, J. R., De Ben, A. R., Rumpf, R., & Beckers, J.-F. (1994). Isolamento e cultivo de foliculos pré-antrais de bovinos. Resultados Preliminares. Zootecnia, 32, 46.
Editorial reviewed

Figueiredo, J. R., Hulshof, S. C., Van den Hurk, R., Nusgens, B., Bevers, M. M., Ectors, F., & Beckers, J.-F. (1994). Preservation of Oocyte and Granulosa Cell Morphology in Bovine Preantral Follicles Cultured in Vitro. Theriogenology, 41 (6), 1333-46. doi:10.1016/0093-691X(94)90492-2
Peer Reviewed verified by ORBi

Leonard, I., Zanen, J., Nonclercq, D., Toubeau, G., Heuson-Stiennon, J. A., Beckers, J.-F., Falmagne, P., Schaudies, P., & Laurent, G. (1994). Modification of immunoreactive EGF receptor after acute tubular necrosis induced by tobramycin or cisplatin. Renal Failure, 16 (5), 583-608. doi:10.3109/08860229409044887
Peer Reviewed verified by ORBi

Ectors, F., Delval, A., Touati, K., Thonon, F., Beckers, J.-F., & Ectors, F. (December 1993). Clonage par greffe de blastomère: naissance d'un premier veau. Annales de Médecine Vétérinaire, 137 (8), 573-574.
Peer Reviewed verified by ORBi

Figueiredo, J. R., Hulshof, S. C. J., Van den Hurk, R., Ectors, F., Fontes, R. S., Nusgens, B., Bevers, M. M., & Beckers, J.-F. (October 1993). Development of a combined mechanical and enzymatic method for the isolation of intact preantral follicles from fetal, calf and adult bovine ovaries. Theriogenology, 40 (4), 789-799. doi:10.1016/0093-691X(93)90214-P
Peer Reviewed verified by ORBi

Ectors, F., Ectors, F., Delval, A., Thonon, F., & Beckers, J.-F. (July 1993). Le clonage par transfert de noyau dans l'espèce bovine: premiers résultats. Bulletin et Mémoires de l'Académie Royale de Médecine de Belgique, 148, 262-270.

Bruyas, J. F., Remy, B., Beckers, J.-F., Martin, S., Fieni, F., & Tainturier, D. (1993). Use of equine LH (eLH) to induce ovulation in cycling embryo donor mares. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 174). Association of Embryo Technology in Europe.
Editorial reviewed

Touati, K., Ectors, F., Thonon, F., Figueiredo, J. R., Fontes, R. S., Delval, A., Ectors, F., & Beckers, J.-F. (1993). Ruminant embryo exchanges using cryopreservation: current and future possibilities [Paper presentation]. 20th BCLAS Symposium, Bruxelles, Belgium.
Editorial reviewed

Zoli, A. P., Beckers, J.-F., Benitez Ortiz, W., & Ectors, F. (1993). Isolement, purification et caractérisation d'une glycoprotéine placentaire bovine: mise au point d'un dosage radioimmunologique sensible et spécifique. In Actualité Scientifique: Maîtrise de la reproduction et amélioration génétique des ruminants (pp. 235-247). Edition Aupelf.
Editorial reviewed

Bruyas, J. F., Remy, B., Beckers, J.-F., Fieni, F., & Tainturier, D. (1993). Increased ovulation rates in donor mares treated with equine FSH: first results. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 172). Association of Embryo Technology in Europe.
Editorial reviewed

Koulischer, L., Ectors, F., Jamar, M., Herens, C., & Beckers, J.-F. (1993). Chromosome studies of bovine oocytes matured in vitro. Journal of Assisted Reproduction and Genetics, 10 (6), 207.
Peer Reviewed verified by ORBi

Figueiredo, J. R., Hulshof, S. C. J., Nusgens, B., Van Der Hurk, R., Ectors, F., Ectors, F., Fontes, R. S., & Beckers, J.-F. (1993). Preservation of oocyte and granulosa cell morphology in bovine preantral follicles cultured in vitro: 2 - Effects of pyruvate, glutamine and hypoxantine. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 198). Association of Embryo Technology in Europe.
Editorial reviewed

Fgueiredo, J. R., Hulshof, S. C. J., Nusgens, B., Van Der Hurk, R., Ectors, F., Ectors, F., Fontes, R. S., & Beckers, J.-F. (1993). Preservation of oocyte and granulosa cell morphology in bovine preantral follicles cultured in vitro: 1 - Morphological aspects. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 196). Association of Embryo Technology in Europe.
Editorial reviewed

Remy, B., Folch, J., Chouvet, C. I., Alabart, J. L., Cognié, Y., Baril, G., Sulon, J., Dufour, R., & Beckers, J.-F. (1993). Plasma levels of LH, inhibin and estradiol in superovulated goat. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 268). Association of Embryo Technology in Europe.
Editorial reviewed

Beckers, J.-F. (1993). Does a bovine chorionic gonadotropin exist ? Exposé Giessen, Comparative endocrinology of placental functions [Paper presentation]. Exposé Giessen, Giessen, Germany.

Demez, P., Zolli, A. P., Beckers, J.-F., Reznik, M., & Beckers, A. (1993). Light and Electron microscopic immunolocalization of Bovine pregnancy-associated glycoprotein in the Bovine Placentome. In 1st Joint meeting of the Royal Microscopical society and the Belgian Societies for Cell biology, clinical cytology, Electron Microscopy and pathology-Abstract book.

Ectors, F., Delval, A., Touati, K., Thonon, F., Beckers, J.-F., & Ectors, F. (1993). Clonage par transfert de noyau dans l'espèce bovine: premiers résultats. Annales de Médecine Vétérinaire, 137 (6), 427-431.
Peer Reviewed verified by ORBi

Ectors, F., Thonon, F., Delval, A., Fontes, R. S., Touati, K., & Beckers, J.-F. (1993). Comparison between in vitro culture of bovine embryos in conditioned medium and in presence of bovine oviductal cells versus development in vivo and in rabbit oviducts. Theriogenology, 39 (1), 211.
Editorial reviewed

Fontes, R. S., Noel, A., Figueiredo, J. R., Beckers, J.-F., Foidart, J.-M., & Ectors, F. (1993). Use of frozen-thawed bovine oviduct cells for in vitro culture of bovine embryos: effect of matrigel. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 202). Association of Embryo Technology in Europe.
Editorial reviewed

Dietrich, E., Wallenhorst, S., Beckers, J.-F., & Holtz, W. (1993). Ovulation rate and embryo recovery in ewes after superovulation with FSH/LH and growth. Journal of Reproduction and Fertility. Supplement, 66.
Editorial reviewed

Folch, J., Benitez, W., Alabart, J. L., & Beckers, J.-F. (1993). Determinacion de la concentracion plasmatica de PAG (pregnancy-associated glycoprotein) en cabras blanca celtiberica y su utilizacion como diagnostico de gestacion. In Proceedings V Jornadas sobre Produccion Animal. ITEA.

Ectors, F., Thonon, F., Delval, A., Fontes, R. S., Touati, K., & Beckers, J.-F. (1993). Comparison between culture of bovine embryos in vitro versus development in rabbit oviducts and in vivo. Livestock Production Science, 36, 29-34. doi:10.1016/0301-6226(93)90134-4
Peer Reviewed verified by ORBi

Uoc, N. T., Nguyen, B. X., Ty, L. V., Chupin, D., Beckers, J.-F., & Renard, J. P. (September 1992). Effect of estradiol supplementation on superovulation in swamp buffalo. Theriogenology, 38 (3), 471-478. doi:10.1016/0093-691X(92)90066-Z
Peer Reviewed verified by ORBi

Baril, G., Remy, B., Vallet, J. C., & Beckers, J.-F. (July 1992). Effects of repeated use of progestagen-PMSG treatment for estrus control in dairy goats out of breeding season. Reproduction in Domestic Animals, 27 (3), 161-168. doi:10.1111/j.1439-0531.1992.tb01135.x
Peer Reviewed verified by ORBi

Baril, G., Remy, B., Leboeuf, B., Vallet, J. C., Beckers, J.-F., & Saumande, J. (1992). Comparison of porcine FSH, caprine FSH and ovine FSH to induce repeated superovulation in goats [Paper presentation]. 8th Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Zoli, A., Demez, P., Beckers, J.-F., Reznik, M., & Beckers, A. (1992). Light and electron microscopic immunolocalization of bovine pregnancy-associated glycoprotein in the bovine placentome. Biology of Reproduction, 46 (4), 623-9. doi:10.1095/biolreprod46.4.623
Peer Reviewed verified by ORBi

Zoli, A. P., Guilbault, L. A., Delahaut, P., Ortiz, W. B., & Beckers, J.-F. (January 1992). Radioimmunoassay of a Bovine Pregnancy-Associated Glycoprotein in Serum: Its Application for Pregnancy Diagnosis. Biology of Reproduction, 46 (1), 83-92. doi:10.1095/biolreprod46.1.83
Peer Reviewed verified by ORBi

Figueiredo, J. R., Hulshof, S. C. J., Ectors, F., Fontes, R. S., Nusgens, A., Le Point, A., & Beckers, J.-F. (1992). Mechanical and enzymatic method for the isolation of intact preantral follicles from the fetal, calf and cow ovaries [Paper presentation]. 8th Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Fontes, R. S., Figueiredo, J. R., Ectors, F., Beckers, J.-F., & Ectors, F. (1992). Effect of fetuin on in vitro maturation of bovine oocytes in defined media [Paper presentation]. 8th Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Baril, G., Bernelas, D., Berson, Y., Bonne, J. L., Leboeuf, B., Marcheteau, J., Lefebvre, A., Beckers, J.-F., & Remy, B. (1992). Traitement éponge/PMSG répété: une étude dans 19 élevages. France: La Chèvre.

Baril, G., Remy, B., Vallet, J. C., & Beckers, J.-F. (1992). Observations sur l'utilisation de traitements gonadotropes répétés chez la chèvre laitière. Annales de Zootechnie, 41 (3-4), 291-296.
Peer reviewed

Leonard, I., Moulin, S., Beckers, J.-F., Laurent, G., Nonclercq, D., Zanen, J., Heuson-Stiennon, J. A., & Falmagne, P. (1992). Epidermal Growth Factor (EGF) immunoreactivity in rat renal tissue decreases during tubular regeneration after treatment with two different nephrotoxic compounds. In Proceedings of 152e Réunion de la Société Belge de Biochimie et de Biologie Moléculaire. Gembloux, Belgium: Société Belge de Biochimie et de Biologie Moléculaire.
Editorial reviewed

Fontes, R. S., Ectors, F., Thonon, F., Figueiredo, J. R., Beckers, J.-F., & Ectors, F. (1992). Development of bovine oocytes to blastocyst and hatching in co-culture supplemented with estrous cow serum of polyvinyl alcohol. Theriogenology, 37 (1), 214.
Editorial reviewed

Xie, S., Low, B. G., Nagel, R. J., Kramer, K. K., Anthony, R. V., Zoli, A. P., Beckers, J.-F., & Roberts, R. M. (November 1991). Identification of the major pregnancy-specific antigens of cattle and sheep as inactive members of the aspartic proteinase family. Proceedings of the National Academy of Sciences of the United States of America, 88 (22), 10247-10251. doi:10.1073/pnas.88.22.10247
Peer Reviewed verified by ORBi

Remy, B., Baril, G., Vallet, J. C., Dufour, R., Chouvet, C., Saumande, J., Chupin, D., & Beckers, J.-F. (September 1991). Are Antibodies Responsible for a Decreased Superovulatory Response in Goats Which Have Been Treated Repeatedly with Porcine Follicle-Stimulating Hormone ? Theriogenology, 36 (3), 389-99. doi:10.1016/0093-691X(91)90467-R
Peer Reviewed verified by ORBi

Toubeau, G., Poilve, A., Baras, E., Nonclercq, D., De Moor, S., Beckers, J.-F., Dessy, C., & Heuson-Stiennon, J. A. (July 1991). Immunocytochemical study of cell type distribution in the pituitary of Barbus barbus (Teleostei, Cyprindidae). General and Comparative Endocrinology, 83 (1), 35-47. doi:10.1016/0016-6480(91)90103-D
Peer Reviewed verified by ORBi

Zoli, A. P., Beckers, J.-F., Wouters-Ballman, P., Closset, J., Falmagne, P., & Ectors, F. (July 1991). Purification and characterization of a bovine pregnancy-associated glycoprotein. Biology of Reproduction, 45 (1), 1-10. doi:10.1095/biolreprod45.1.1
Peer Reviewed verified by ORBi

Fieni, F., Buggin, M., Tainturier, D., Dumont, P., Perrin, J., Beckers, J.-F., & Daubie, M. (May 1991). Développement embryonnaire caprin in vitro: étude des conditions de culture. Recueil de Médecine Vétérinaire, 167 (5), 435-444.
Peer reviewed

Leonard, I., Moulin, S., Beckers, J.-F., Laurent, G., Toubeau G., Heuson-Stiennon, J. A., & Falmagne, P. (1991). The measurement of epidermal growth factor (EGF) in tissue: a comparison between two radioimmunoassay procedures [Paper presentation]. University of Liége.

Bastings, E., Beckers, A., Reznik, M., & Beckers, J.-F. (1991). Immunocytochemical evidence for production of luteinizing hormone and follicle-stimulating hormone in separate cells in the bovine. Biology of Reproduction, 45 (5), 788-96. doi:10.1095/biolreprod45.5.788
Peer Reviewed verified by ORBi

Demoustier, M. M., Beckers, J.-F., Legras, R., & Gillard, J. L. (1991). Biodegradation, drug release mechanism and physiological activity of a protein's sustained release system. Proceedings International Symposium Control. Rel.Bioact. Mater, 18-19.

Nowshari, M. A., Beckers, J.-F., & Woltz, W. (1991). The effect of FSH/LH ratio on the supeovulatory reponse in goats. In Proceedings of the 7th Annual Meeting of Association of Embryo Technology in Europe (AETE) (pp. 182). Lyon, France: Association of Embryo Technology in Europe.
Editorial reviewed

Xie, S., Zoli, A. P., Beckers, J.-F., & Roberts, R. M. (1991). Molecular cloning of pregnancy-associated glycoproteins from cattle and sheep: identity with the aspartate protease family. Biology of Reproduction. Supplement, 44 (Suppl. 1), 101.
Editorial reviewed

Fontes, R. S., Ectors, F., Delval, A., Touati, K., Beckers, J.-F., & Ectors, F. (1991). Rabbit and bovine oviductal epithelial cell culture media are able to support early development from zygote to the blastocyst stage. Theriogenology, 35 (1), 201.
Editorial reviewed

Ectors, F., Fontes, R. S., Thonon, F., Delval, A., Figueiredo, J. R., Beckers, J.-F., & Ectors, F. (1991). Effect of non-protein medium during in vitro maturation on in vitro development of bovine embryos. Theriogenology, 37 (1), 206.
Editorial reviewed

Guilbault, L. A., Roy, G. L., Beckers, J.-F., & Dufour, J. J. (November 1990). Influence of breed of fetus on periparturient endocrine responses and subsequent milk production of Ayrshire dams. Journal of Dairy Science, 73 (10), 2766-2773. doi:10.3168/jds.S0022-0302(90)78962-X
Peer Reviewed verified by ORBi

Brebion, P., Beckers, J.-F., Guerin, Y., & Boomarov, B. (1990). High performance of Booroola X Romanov ewes as permanent embryos donors. In J. M. Elsen, J. Thimonier, ... L. Bodin (Eds.), Les Colloques de l'I.N.R.A (pp. 165-168). Versailles, France: INRA.
Peer reviewed

Fieni, F., Buggin, M., Tainturier, D., Beckers, J.-F., Bach-Lijour, B., Bruyas, J. F., & Daubie, M. (May 1990). L'insémination artificielle intra-utérine, transpéritonéale chez la chèvre: 2. Etude comparative du taux de fécondation après saillie ou insémination artificielle intra-utérine. Recueil de Médecine Vétérinaire, 166 (5), 479-484.
Peer reviewed

Beckers, J.-F., Baril, G., Vallet, J., Chupin, D., Remy, B., & Saumande, J. (1990). Are porcine follicle stimulating hormone antibodies associated with decreased superovulatory response in goat ? Theriogenology, 33 (1), 192.
Peer Reviewed verified by ORBi

Baril, G., Remy, B., Vallet, J. C., & Beckers, J.-F. (1990). Preliminary experiments on induction of superovulation in the goat with caprine FSH [Paper presentation]. Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Brebion, P., Beckers, J.-F., & Elsen, J. M. (1990). Repeatability of superovulation with pFSH in the crossbred Booroola x Romanov ewe [Paper presentation]. 6th Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Baril, G., Vallet, J. C., Beckers, J.-F., & Remy, B. (1990). Traitements hormonaux répétés : prudence. France: La Chèvre.

Zoli, A., Beckers, J.-F., & Ectors, F. (1990). Isolation in an ovine pregnancy specific protein. Theriogenology, 33 (1), 366.
Peer Reviewed verified by ORBi

Bastings, E., Beckers, A., Reznik, M., Ectors, F., & Beckers, J.-F. (1990). Immunocytochemical evidence that LH and FSH are produced by distinct cells in bovine pituitary. Theriogenology.
Peer reviewed

Baril, G., Chouvet, C., Dufour, R., Remy, B., Vallet, J. C., Chupin, D., Saumande, J., & Beckers, J.-F. (1990). Are decreased superovulatory responses in goats related to porcine follicle stimulating hormone antibodies? [Paper presentation]. 6th Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Dufour, R., Chouvet, C., Ectors, F., Franck, M., Massip, A., Parisot, P., Roulet, C., & Beckers, J.-F. (1990). La superovulation chez les bovins par l’emploi de Stimufol. Caractéristiques principales du produit et résultats des essais [Paper presentation]. 6th Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Zoli, A. P., Ectors, F., & Beckers, J.-F. (1990). Ruminants gonads as accessory sources of pregnancy specific protein ? In Proceedings of the 72nd Animal Meeting of the Endocrine Society. Endocrine Society.
Editorial reviewed

Fieni, F., Buggin, M., Tainturier, D., Bruyas, J. F., Dumont, P., Beckers, J.-F., Chupin, D., & Daubie, M. (1990). Comparison of the efficiency of three cryoprotectants for freezing goat embryos [Paper presentation]. 6th Annual Meeting of Association of Embryo Technology in Europe, Lyon, France.
Editorial reviewed

Demoustier, M., Beckers, J.-F., & Gillard, J. (1990). Slow release of water-soluble drug from a biodegradable and biocompatible polymer matrix. Application to the superovulation in cows. Journal of Pharmacological Sciences, 45 (1), 57.
Peer Reviewed verified by ORBi

Dehareng, D., Goudeau, J. M., Beckers, J.-F., Beaussart, F., & Ndibualongi, W. (1990). Modifications des fermentations dans le rumen et des niveaux de l'insulinémie induites par une ingestion séparée du complément azoté et du fourrage chez la vache tarie: résulats préliminaires. Reproduction Nutrition Development, (Suppl. 2), 178.
Editorial reviewed

Bastings, E., Beckers, A., Reznik, M., & Beckers, J.-F. (1990). Gonadotropin secretion in the bovine : localization of LH and FSH in pituitaries by electron microscopy. Journal of Endocrinological Investigation.
Peer Reviewed verified by ORBi

Zoli, A., Beckers, J.-F., & Ectors, F. (1990). Evidence of a protein immunologically related to pregnancy specific proteins in ruminant gonads. In Proceedings of the 3rd International Ruminant Reproduction Symposium.
Peer reviewed

Istasse, L., de Haan, V., Beckers, J.-F., Van Eenaeme, C., & Bienfait, J.-M. (1990). Effects of cellulose, pectin and guar gum on plasma insulin and metabolites in resting dogs. In Proceedings of the Nutrition Society (pp. 147).
Peer reviewed

Ectors, F., Beckers, J.-F., Ectors, F., Delval, A., & Touati, K. (1989). Multiplication des embryons chez les bovins: possibilités actuelles et futures. Biotechnologie en Sélection animale - IRSIA, 188-211.

Beckers, J.-F., Wouters-Ballman, P., Viviers-Donnay, I., Touati, K., & Ectors, F. (09 September 1989). Demonstrationof somatogenic receptors in bovine corpus luteum: conjectural effect of trophic hormone on follicular growth and development [Poster presentation]. 4th Annual Meeting AETE, Lyon, France.

Morgan, G., Wooding, F. B. P., Beckers, J.-F., & Friesen, H. G. (July 1989). An immunological cryo-ultrastructural study of a sequential appearance of proteins in placental binucleate cells in early pregnancy in the cow. Journal of Reproduction and Fertility, 86, 745-752. doi:10.1530/jrf.0.0860745
Peer Reviewed verified by ORBi

Bastings, E., Beckers, A., Reznik, M., Hennen, G., & Beckers, J.-F. (27 June 1989). Localization of LH and FSH in bovine pituitaries as revealed by electron microscopic double gold immunostaining method [Paper presentation]. Symposium Internacional Sobre Crecimiento y Reproduccion, Lugo, Spain.

Beckers, J.-F., Ballman-Wouters, P., Viviers-Donnay, I., Touati, K., Lambert, E., Doem, G., Lhoest B., Laurent Y., Ectors, F., & Ectors, F. (1989). Low doses of FSH stimulate follicular growth and maturation in anestrous heifers. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 128). Association of Embryo Technology in Europe.
Editorial reviewed

Touati, K., Ectors, F., Beckers, J.-F., & Ectors, F. (1989). Mise au point sur la folliculogenèse. Annales de Médecine Vétérinaire, 133, 583-588.
Peer Reviewed verified by ORBi

Beckers, J.-F., Wouters-Ballman, P., Ectors, F., Touati, K., Delval, A., Borman, M., & Ectors, F. (1989). Relation inverse entre la concentration des sérums foetaux bovins en hormone chorionique somatomammotrope et leur âge. Reproduction Nutrition Development, 29 (1), 29.
Peer Reviewed verified by ORBi

Beckers, J.-F., Ballman-Wouters, P., Ectors, F., Touati, K., Bormans, M., Delval, A., & Ectors, F. (1989). Variable composition of bovine fetal calf serum: a prospective study for in vitro oocytes and embryos culture. In Proceedings of the 5th Annual Meeting AETE.
Peer reviewed

Touati, K., Bormans, M., Ectors, F., Delval, A., Beckers, J.-F., & Ectors, F. (1989). Low doses of FSH in early estrous cycle stimulate follicular growth and maturation as confirmed by subsequent superovulatory response. In Proceedings of the Annual Meeting AETE.
Peer reviewed

Ectors, F., Van Der Zwalmen, P., Touati, K., Beckers, J.-F., & Ectors, F. (1989). In vitro maturation and fertilization of bovine oocytes. Theriogenology, 31 (1), 188.
Peer Reviewed verified by ORBi

Beckers, J.-F. (1989). Demonstration of somatogenic receptors in the bovine corpus luteum. Conjectural effect of trophic hormone on superovulatory response. In Proceedings of 71st Annual Meeting of the Endocrine Society (pp. 410). Endocrine Society.
Editorial reviewed

Touati, K., Bormans, M., Ectors, F., Delval, A., Beckers, J.-F., & Ectors, F. (1989). Effet d'une préstimulation ovarienne en début de cycle sur la réponse au traitement de superovulation chez la vache. Annales de Médecine Vétérinaire, 133, 435-436.
Peer Reviewed verified by ORBi

Ectors, F., Van Der Zwalmen, P., Touati, K., Beckers, J.-F., & Ectors, F. (1989). In vitro maturation and fertilization of bovine oocytes. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 148). Association of Embryo Technology in Europe.
Editorial reviewed

Beckers, J.-F. (1989). Folliculogenèse et transplantation embryonnaire chez les ruminants. Bulletin et Mémoires de l'Académie Royale de Médecine de Belgique, 144 (12), 607-620.
Peer Reviewed verified by ORBi

Ectors, F., Van Der Zwalmen, P., Touati, K., Delval, A., & Beckers, J.-F. (1989). Maturation et fécondation in vitro chez les bovins: naissance d'un veau. Annales de Médecine Vétérinaire, 133, 435-436.
Peer Reviewed verified by ORBi

Beckers, J.-F., Ballman-Wouters, P., Viviers-Donnay, I., Touati, K., Doem, G., Lhoes, B., Lambert, E., Laurent, Y., Ectors, F., & Ectors, F. (1989). Low doses of FSH stimulate follicular growth and maturation in anestrous heifers. Theriogenology, 172. doi:10.1016/0093-691X(89)90580-3
Peer Reviewed verified by ORBi

Touati, K., Vanderzwalmen, P., Ectors, F., Beckers, J.-F., & Ectors, F. (1989). Low dose of FSH early in estrous cycle enhances superovulatory response in heifers. Theriogenology, 31 (1), 269. doi:10.1016/0093-691X(89)90677-8
Peer Reviewed verified by ORBi

Vanderzwalmen, P., Touati, K., Ectors, F., Massip, A., Beckers, J.-F., & Ectors, F. (1989). Vitrification of bovine blastocysts. Theriogenology, 31 (1), 270.
Peer Reviewed verified by ORBi

Ectors, F., Van Der Zwalmen, P., Touati, K., Beckers, J.-F., & Ectors, F. (13 December 1988). Research work for an optimization of an in vitro maturation and fertilization method of the bovine oocytes [Paper presentation]. 3rd Franco-Czechoslovak Meeting, Jouy-En-Josas, France.

Demoustier, M., Beckers, J.-F., Taper, H., Vert, M., & Gillard, J. (15 August 1988). Biodegradable sustained release system of pituitary hormone to induce superovulation in cows [Paper presentation]. 15th International Symposium on Controlled Release of Bioactive Materials.

Demoustier, M., Beckers, J.-F., Van Der Zwalmen, P., Closset, J., Gillard, J. L., & Ectors, F. (August 1988). Determination of porcine plasma follitropin levels during superovulation treatment in cows. Theriogenology, 30 (2), 379-386. doi:10.1016/0093-691X(88)90185-9
Peer Reviewed verified by ORBi

Coxam, V., Davicco, M. J., Opmeer, F., Beckers, J.-F., Durand, D., Bauchart, D., & Barlet, J. P. (1988). Endocrine regulation of hepatic somatomedin C (IGF1) production in young calves. Fetal & Neonatal Development, 496-499.
Peer reviewed

Beckers, J.-F., Wouters-Ballman, P., & Ectors, F. (January 1988). Isolation and radioimmunoassay of a bovine pregnancy specific protein. Theriogenology, 29 (1), 219. doi:10.1016/0093-691X(88)90047-7
Peer Reviewed verified by ORBi

Istasse, L., Evrard, P., Hanzen, C., Coignoul, F., Gielen, M., Beckers, J.-F., Maghuin-Rogister, G., & Bienfait, J.-M. (1988). Effect of trenbolone acetate associated with 17á-oestradiol on reproductive performances of young growing fattening bulls. Journal of Animal Physiology and Animal Nutrition, 59, 238-246. doi:10.1111/j.1439-0396.1988.tb00071.x
Peer Reviewed verified by ORBi

Beckers, J.-F., Wouters-Ballman, P., & Ectors, F. (1988). Distribution of somatogenic and lactogenic receptors in pregnant cow [Paper presentation]. Satellite Symposium on Placental Protein Hormones, Kobe 650, Japan.

Beckers, J.-F., Wouters-Ballman, P., & Ectors, F. (1988). Purification and characterization of bovine chorionic somatomammotrophin (bCS) [Paper presentation]. Satellite Symposium on Placental Protein Hormones, Kobe 650, Japan.

Beckers, J.-F., Wouters-Ballman, P., & Ectors, F. (1988). Sensitive radioimmunoassay for bovine chorionic somatomammotrophin: maternal and fetal plasma levels [Paper presentation]. Satellite Symposium on Placental Protein Hormones, Kobe 650, Japan.

Beckers, J.-F., Wouters-Ballman P., Viviers-Donnay, I., Touati, K., & Ectors, F. (1988). Demonstration of somatogenic receptors in bovine corpus luteum: conjectural effect of trophic hormone on follicular growth and development. In Proceedings of Association of Embryo Technology in Europe (AETE) (pp. 113). France: Association of Embryo Technology in Europe.
Editorial reviewed

Guilbault, L. A., Beckers, J.-F., Roy, G. L., & Grasso, F. (January 1988). Plasma concentrations of bovine placental lactogen, prolactin and prostaglandins during the periparturient period in Ayrshire heifers bearing different breeds of fetus. Theriogenology, 29 (1), 255. doi:10.1016/0093-691X(88)90083-0
Peer Reviewed verified by ORBi

Beckers, J.-F., Wouters-Ballman, P., Viviers-Donnay, I., & Ectors, F. (January 1988). Somatogenic receptors in bovine corpus luteum, conjectural effect of trophic factors on superovulatory response. Theriogenology, 29 (1), 220. doi:10.1016/0093-691X(88)90048-9
Peer Reviewed verified by ORBi

Herrler, A., Beckers, J.-F., Viviers-Donnay, I., & Niemann, H. (January 1988). Purified FSH supplemented with defined amounts of LH for superovulation in dairy cattle. Theriogenology, 29 (1), 260. doi:10.1016/0093-691X(88)90088-X
Peer Reviewed verified by ORBi

Teller, E., Roets, E., Godeau, J.-M., Reynaert, R., Beckers, J.-F., Leroy, P., & Peeters, G. (1988). Effect of duodenal ornithine infusion in cows on milk production and blood plasma constituents at two levels of feeding. Journal of Animal Physiology and Animal Nutrition, 59, 16-22. doi:10.1111/j.1439-0396.1988.tb00041.x
Peer Reviewed verified by ORBi

Ectors, F., Van Der Zwalmen, P., Touati, K., Beckers, J.-F., & Ectors, F. (1988). Obtention de blastocystes après maturation et fécondation in vitro d'ovocytes de bovin: premiers résultats. Annales de Médecine Vétérinaire, 132, 517-519.
Peer Reviewed verified by ORBi

Beckers, J.-F., Dewulf, M., Verstegen, J., Wouters-Ballman, P., & Ectors, F. (January 1988). Isolation of a bovine chorionic gonadotrophin (bCG). Theriogenology, 29 (1), 218. doi:10.1016/0093-691X(88)90046-5
Peer Reviewed verified by ORBi

Beckers, J.-F., Wouters-Ballman, P., Donnay, I., Touati, K., & Ectors, F. (1988). Demonstration of somatogenic receptors in bovine corpus luteum. In Proceedings of the 11th International Congress on Animal Reproduction and Artificial Insemination.
Peer reviewed

Beckers, J.-F., Wouters-Ballman, P., Viviers-Donnay, I., Demoustier, M., Touati, K., Van Der Zwalmen, P., Massip, A., & Ectors, F. (04 September 1987). Induction of superovulation in cattle [Paper presentation]. 3rd Annual Meeting of Association Européenne de Transfert Embryonnaire (AETE), Lyon, France.

Beckers, J.-F., Wouters-Ballman, P., & Ectors, F. (1987). Coexistence of lactogenic and somatogenic receptors in bovine mammary gland. In Proceedings of the 1st European Congress of Endocrinology.

Wooding, F. B. P., & Beckers, J.-F. (March 1987). Trinucleate cells and the ultrastructural localisation of bovine placental lactogen. Cell and Tissue Research, 247, 667-673. doi:10.1007/BF00215761
Peer Reviewed verified by ORBi

Ectors, F., & Beckers, J.-F. (1987). L'anoestrus fonctionnel chez la génisse. Agricontact.

Beckers, J.-F. (January 1987). Isolation and use of a porcine FSH to improve the quality of superovulation in cattle. Theriogenology, 27 (1), 213. doi:10.1016/0093-691X(87)90090-2
Peer Reviewed verified by ORBi

Verstegen, J., Fellmann, D., & Beckers, J.-F. (July 1985). Immunodetection of bovine chorionic somato-mammotrophin (bCS). Acta Endocrinologica, 109, 403-410.
Peer Reviewed verified by ORBi

Verstegen, J., Fellmann, D., & Beckers, J.-F. (1985). Localisation immunocytochimique de l'alphamelanotropine dans le placenta bovin. Comptes Rendus de l'Académie des Sciences. Série III. Sciences de la Vie, 301 (III-2), 41-46.
Peer Reviewed verified by ORBi

Verstegen, J., Ghaenen, G., Dessy, C., & Beckers, J.-F. (1985). Dosage radioimmunologique de l'alpha-MSH. Elaboration d'un antisérum hautement spécifique: application chez le rat. Annales de Recherches Vétérinaires, 16 (4), 313-320.
Peer Reviewed verified by ORBi

Derivaux, J., Beckers, J.-F., & Ectors, F. (1984). L'anoestrus du post-Partum. Vlaams Diergeneeskundig Tijdschrift, 53, 215-229.
Peer reviewed

De Coster, R., Beckers, J.-F., Beerens, D., & De Mey, J. (August 1983). A homologous radioimmunoassay for canine prolactin: plasma levels during the reproductive cycle. Acta Endocrinologica, 103, 473-478. doi:10.1530/acta.0.1030473
Peer Reviewed verified by ORBi

Beckers, J.-F. (1983). L'hormone placentaire somato-mammotrope bovine [Post doctoral thesis, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/77116

Beckers, J.-F., De Coster, R., Wouters-Ballman, P., Fromont-Liénard, C., Van Der Zwalmen, P., & Ectors, F. (1982). Dosage radioimmunologique de l'hormone placentaire somatotrope et mammotrope bovine. Annales de Médecine Vétérinaire, 126, 9-21.
Peer Reviewed verified by ORBi

Michaux, C., Beckers, J.-F., de Fonseca, M., & Hanset, R. (1981). Plasma insulin level in double-muscled and conventional bulls during the first year of life. Zeitschrift für Tierzüchtung und Züchtungsbiologie, 98, 312-318. doi:10.1111/j.1439-0388.1981.tb00354.x
Peer Reviewed verified by ORBi

Beckers, J.-F., & Ectors, F. (1981). Dosage de l'hormone placentaire somatotrope et mammotrope bovine par liaison radio-compétitive aux récepteurs membranaires. Annales de Médecine Vétérinaire, 125, 311-319.
Peer Reviewed verified by ORBi

Beckers, J.-F., Fromont-Liénard, C., Van Der Zwalmen, P., Wouters-Ballman, P., & Ectors, F. (1980). Isolement d'une hormone placentaire bovine présentant une activité analogue à la prolactine et à l'hormone de croissance. Annales de Médecine Vétérinaire, 124, 585-601.
Peer Reviewed verified by ORBi

De Coster, R., Beckers, J.-F., Wouters-Ballman, P., & Ectors, F. (1979). Variations de la LH, de la FSH, du 17 ß oestradiol et de la progestérone au cours du cycle oestral de la chienne. Annales de Médecine Vétérinaire, 123, 177-184.
Peer Reviewed verified by ORBi

De Coster, R., Beckers, J.-F., Wouters-Ballman, P., & Ectors, F. (1979). Variations nycthémérales de la testostérone et de la lutropine plasmatiques chez le chien. Annales de Médecine Vétérinaire, 123, 423-428.
Peer Reviewed verified by ORBi

Delahaut, P., Beckers, J.-F., & Ectors, F. (1979). Effet de l'azide de sodium sur la dégradation de la progestérone dans les échantillons de sang total chez les bovins. Annales de Médecine Vétérinaire, 123, 567-572.
Peer Reviewed verified by ORBi

Beckers, J.-F., & Ectors, F. (March 1978). Dosages radioimmunologiques [Poster presentation]. Séminaire de Perfectionnement pour les ingénieurs agronomes issus des facultés de Gembloux et de Louvain, Gembloux, Belgium.

Delahaut, P., Beckers, J.-F., & Ectors, F. (1978). Diagnostic précoce de gestation chez les différentes espèces animales. Annales de Médecine Vétérinaire.
Peer Reviewed verified by ORBi

Beckers, J.-F., Wouters-Ballman, P., Ectors, F., & Derivaux, J. (1978). Induction de l'oestrus chez les génisses en anoestrus fonctionnel. Annales de Médecine Vétérinaire, 122, 597-605.
Peer Reviewed verified by ORBi

Massip, A., Wouters-Ballman, P., Beckers, J.-F., & Ectors, F. (19 September 1977). Evolution du taux de cortisol plasmatique chez le veau de la naissance à l'âge de 14 jours. Comptes Rendus de l'Académie des Sciences de Paris, 285, 563-565.
Peer reviewed

Beckers, J.-F., Closset, J., Maghuin-Rogister, G., & Hennen, G. (1977). Bovine follitropin: Isolation and characterization of the native hormone and its α and β subunits. Biochimie, 59, 825-831. doi:10.1016/S0300-9084(77)80214-9
Peer Reviewed verified by ORBi

Derivaux, J., Ectors, F., & Beckers, J.-F. (1976). Hormonelle Befunde bei Störungen der Ovarialfunktion des Rindes. Deutsche Tierärztlich Wochenschrift, 83, 561-563.
Peer reviewed

Derivaux, J., Ectors, F., & Beckers, J.-F. (1976). Données récentes en gynécologie animale. Annales de Médecine Vétérinaire, 120, 81-102.
Peer Reviewed verified by ORBi

Derivaux, J., Ectors, F., & Beckers, J.-F. (1976). Prostaglandines et cycle sexuel chez les animaux domestiques. Bulletin et Mémoires de l'Académie Royale de Médecine de Belgique, 131, 359-380.

Ectors, F., Beckers, J.-F., Ballman, P., & Derivaux, J. (27 October 1975). Variation du 17 ß oestradiol au cours du cycle oestral chez la vache. Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences. Série D, Sciences Naturelles, 281, 1257-1260.
Peer Reviewed verified by ORBi

Beckers, J.-F., Ballman, P., Ectors, F., & Derivaux, J. (1975). Le dosage radioimmunologique de la progestérone plasmatique chez la vache. Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences. Série D, Sciences Naturelles, 280, 335-338.
Peer Reviewed verified by ORBi

Beckers, J.-F., Ballman, P., Ectors, F., & Derivaux, J. (1975). Aperçu sur les méthodes de dosage des stéroïdes. Annales de Médecine Vétérinaire, 119, 37-50.
Peer Reviewed verified by ORBi

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