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 |
Feijo, L. S., Ledeck, J., Wolfsdorf, K., Ponthier, J., Parry, S., & Felippe, M. J. B. (22 October 2025). Associations between immunological and hormonal parameters during healthy pregnancy in mares. Theriogenology, 250, 117719. doi:10.1016/j.theriogenology.2025.117719 |
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 |
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. |
Schoumacher, M., Nguyen Julie, BREVERS, E., Cirillo, A., Campas, M., Grifnée, E., Demeuse, J., Huyghebaert, L., Massonnet, P., Dubrowski, T., Ledeck, J., Peeters, S., Millet, G., Croisille, P., Kaux, J.-F., De Tullio, P., Cavalier, E., & Le Goff, C. (June 2025). Longitudinal NMR-based Metabolomics Analysis of Male Mountain Ultramarathon Runners: New Perspectives for Athletes Monitoring and Injury Prevention. Sports Medicine - Open, 11 (79), 1-14. doi:10.1186/s40798-025-00879-w |
Cesarini Latorre, C., de Meeûs d'Argenteuil, C., Delguste, C., Douny, C., Eppe, J., Fievez, L., Frisee, V., Gatez, C., Jauniaux, T., Ledeck, J., Levoz, M., Martinelle, L., Tosi, I., Votion, D., & Wouters, C. (Eds.). (2023). Proceedings of the 10th FARAH-Day. Liège, Belgium: Presses de la Faculté de Médecine Vétérinaire de l'ULiège. |
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 |
Ledeck, J. (2023). Subject to patentability [Specialised master, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/305668 |
Ledeck, J., Peeters, S., Le Goff, C., Deleuze, S., Cavalier, E., & Ponthier, J. (June 2023). Cortisol and DHEA as markers of placentitis in pregnant mares: a preliminary study. Journal of Equine Veterinary Science, 125. doi:10.1016/j.jevs.2023.104773 |
Ledeck, J., Dufour, P., Le Goff, C., Peeters, S., Brutinel, F., Evrard, E., Egyptien, S., Deleuze, S., Cavalier, E., & Ponthier, J. (01 February 2023). Liquid Chromatography and Mass Spectrometry assay for estrogens in mares’ pregnancy [Paper presentation]. CIRM Day, Liège, Belgium. |
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 |
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. |
Ledeck, J. (2021). Description des profils de différents œstrogènes pendant la gestation de juments de différentes races par chromatographie liquide couplée au spectromètre de masse [Specialised master, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/305666 |