Publications and communications of Sophie Egyptien

Book chapters or contributions to a collective book as author or co-author

Gronsfeld, V., Brutinel, F., Egyptien, S., Hamaide, A., Taminiau, B., Daube, G., Deleuze, S., & Noël, S. (2024). The urogenital microbiota in growing and young adult, male and female, littermate Beagle dogs: a descriptive study in healthy dogs. In BSAVA Congress Proceedings 2024. British Small Animal Veterinary Association. doi:10.22233/9781913859411.42.3

Articles accepted in reviewed journal

Ledeck, J., Dubrowski, T., Schoumacher, M., Peeters, S., Le Goff, C., Egyptien, S., Deleuze, S., Cavalier, E., & Ponthier, J. (March 2026). Equine fetal-sex determination from mid-gestation to term using serum conjugated steroid profiling by liquid chromatography-tandem mass spectrometry. Animal Reproduction Science, 286, 108098. doi:10.1016/j.anireprosci.2026.108098

Martinelle, L., Egyptien, S., Dechene, L., Somville, M., Derkenne, F., & Deleuze, S. (13 October 2025). Semen Quality in Rams Is Severely but Temporarily Affected by Bluetongue Virus Serotype 3 Infection. Viruses, 17 (10), 1371. doi:10.3390/v17101371

Ponthier, J., Lambert, M., Egyptien, S., Salciccia, A., Ledeck, J., Deleuze, S., Frisee, V., & de la Rebière de Pouyade, G. (October 2025). Pregnancy Length, Offspring Weight and Birth Outcomes in Alpaca (Vicugna pacos): An International Survey. Reproduction in Domestic Animals, 60 (10). doi:10.1111/rda.70130

Egyptien, S., Ponthier, J., Ectors, F., Thibaut, B., & Deleuze, S. (07 January 2025). Evaluation of a Simple Antibiotic-Free Cryopreservation Protocol for Drone Semen. Insects, 16 (1), 50. doi:10.3390/insects16010050

Frisee, V., Rigaux, G., Dufour, P., Brutinel, F., Bossaert, P., Egyptien, S., Barbato, O., Farnir, F., Le Goff, C., Deleuze, S., Cavalier, E., & Ponthier, J. (January 2025). Diagnosing american bison pregnancy during its two last trimesters: Comparison between rectal palpation associated with ultrasonography and hormonal assays in serum or in feces. Animal Reproduction Science, 272, 107660. doi:10.1016/j.anireprosci.2024.107660

Gronsfeld, V., Brutinel, F., Egyptien, S., Porsmoguer, C., Hamaide, A., Taminiau, B., Daube, G., Van de Weerdt, M.-L., Deleuze, S.* , & Noël, S.*. (15 July 2024). Evaluation of the vaginal and urinary microbiota of healthy cycling bitches. BMC Veterinary Research, 20 (1), 315. doi:10.1186/s12917-024-04104-w
* These authors have contributed equally to this work.

Dufour, P., Frisee, V., Rigaux, G., Brutinel, F., Egyptien, S., Bossaert, P., DELEERSNYDER, J., Deleuze, S., Peeters, S., Le Goff, C., Ponthier, J., & Cavalier, E. (January 2024). Analysis of progesterone and estrone-sulfate in feces of American Bison using liquid chromatography coupled to mass spectrometry: Technical validation and correlation with blood levels. Domestic Animal Endocrinology, 86, 106819. doi:10.1016/j.domaniend.2023.106819

Egyptien, S., Ledeck, J., Deleuze, S., & Ponthier, J. (06 October 2023). Sperm Quality Assessment in Stallions: How to Choose Relevant Assays to Answer Clinical Questions. Animals, 13. doi:10.3390/ani13193123

Egyptien, S., Dewals, B. G., Ectors, F., Brutinel, F., Ponthier, J., & Deleuze, S. (2023). Validation of Calcein Violet as a New Marker of Semen Membrane Integrity in Domestic Animals. Animals, (Animal Reproduction). doi:10.3390/ani13111874

Ledeck, J., Dufour, P., Evrard, E., LE GOFF, C., PEETERS, S., Brutinel, F., Egyptien, S., Deleuze, S., CAVALIER, E., & Ponthier, J. (September 2022). Evolution of 17-ß-Estradiol, Estrone and Estrone-Sulfate concentrations in late pregnancy of different breeds of mares using Liquid Chromatography and Mass Spectrometry. Theriogenology, 189, 86-91. doi:10.1016/j.theriogenology.2022.06.004

Frisee, V., Rigaux, G., Dufour, P., Barbato, O., Brutinel, F., Egyptien, S., Bossaert, P., Deleuze, S., Cavalier, E., & Ponthier, J. (January 2022). American Bison (Bison bison) reproductive endocrinology: serum Pregnancy Associated Glycoproteins (PAG), Progesterone, Estrone and Estrone-Sulfate in non pregnant animals and during gestation. Domestic Animal Endocrinology, 78, 106684. doi:10.1016/j.domaniend.2021.106684

Ponthier, J., Rigaux, G., Parrilla Hernandez, S., Egyptien, S., Gatez, C., Carrasco Leroy, C., & Deleuze, S. (24 November 2020). Case Report: Suppression of Harem Stallion Behavior and Fertility Following Anti-Gonadotropin-Releasing Hormone Vaccination of a Captive Wild Przewalski's Horse (Equus ferus przewalskii). Frontiers in Veterinary Science, 7. doi:10.3389/fvets.2020.569185

Rigaux, G., Parrilla Hernandez, S., Egyptien, S., Gatez, C., Carrasco-Leroy, C., & Ponthier, J. (23 July 2018). On-field Electro-ejaculation of Wild Prezwalski Horses: Results and Perspectives. Journal of Equine Veterinary Science, 66, 83.

Articles accepted in conference proceedings

Ponthier, J., Dubrowski, T., Le Goff, C., Deleuze, S., Egyptien, S., Cavalier, E., & Ledeck, J. (2025). Glucuronide estrone and estradiol secretion in pregnant mare serum: insight from a liquid chromatography tandem mass spectrometry analysis. In Therio 2025 Annual Conference and proceedings (pp. 321-322). United States: Theriogenology foundation, Etats-Unis.

Ledeck, J., Dubrowski, T., Schoumacher, M., Egyptien, S., Deleuze, S., Le Goff, C., Peeters, S., Cavalier, E., & Ponthier, J. (2025). Unlocking the future of equine fetal sexing: mass spectrometry analysis of maternal conjugated estrogens in serum. In Therio 2025 Annual Conference and proceedings (pp. 214-215). United States: Theriogenology foundation.

Oral presentations in conferences with scientific selection committee

Egyptien, S., Brutinel, F., Dewals, B. G., & Deleuze, S. (03 September 2023). Validation of Calcein Violet as a marker of Apis mellifera semen viability in flow cytometry : preliminary results [Paper presentation]. Apimondia International Apicultural Congress, Santiago, Chile.

Posters presentations in conferences with scientific selection committee

Ledeck, J., Dufour, P., Brutinel, F., Egyptien, S., CAVALIER, E., & Ponthier, J. (28 June 2022). Comparison of combined thickness of the uterus and the placenta between 2 breeds of mares and their potential relationship with estrogens during normal pregnancy [Poster presentation]. International Congress on Animal Reproduction 2020+2, Bologne, Italy.

Brutinel, F., Egyptien, S., Hamon, M., Heimann, M., Noël, S., & Deleuze, S. (September 2019). A vaginal fibroleiomyoma in a ten-year-old spayed pug dog - a case report [Poster presentation]. Flore Brutinel, Saint Pétersbourg, Russia.

Brutinel, F., Egyptien, S., Gombert, A., Bolen, G., & Deleuze, S. (June 2019). Computed tomography and ultrasound examination of subcapsular prostatic cyst in a fiveyear-old dog with severe benign prostatic hyperplasia [Poster presentation]. EVSSAR Congress.

Egyptien, S., Shimizu, N., Anne-Archard, N., Billen, F., Deleuze, S., & Noël, S. (26 October 2018). Pyocolpos in a spayed queen with imperforate hymen: a case report [Poster presentation]. FARAH DAY, Liège, Belgium.

Egyptien, S., Shimizu, N., Robiteau, G., Guieu, L.-V., Lefebvre, M., & Deleuze, S. (October 2017). Canine gangrenous mastitis: series of three patients [Poster presentation]. FARAH DAY, Liège, Belgium.

Egyptien, S., Lefebvre, M., Guieu, L.-V., Robiteau, G., & Deleuze, S. (July 2017). CANINE GANGRENOUS MASTITIS : A CASE REPORT [Poster presentation]. EVSSAR Congress, Vienne, Austria.