Dr Sophie Egyptien
Diplômée de l'Université de Liège en 2016, le Dr Sophie Egyptien s'est rapidement orientée vers la reproduction animale, une discipline qu'elle aborde comme un domaine transversal combinant pratique clinique et techniques de laboratoire.
Elle a mené simultanément un doctorat et une résidence européenne en reproduction animale à l'Université de Liège, obtenant son diplôme de spécialiste européen en décembre 2021. Cette formation lui permet aujourd'hui de prendre en charge l'ensemble des aspects de la reproduction chez les petits animaux : suivi de chaleurs, inséminations, pathologies utérines, prostatiques et mammaires, ainsi que la stérilisation raisonnée.
Sa thèse de doctorat, soutenue en août 2025, porte sur un sujet original : la cryopréservation de la semence de faux-bourdon, le mâle de l'abeille. Pour mener à bien ce projet, elle s'est formée en apiculture pendant deux ans et a mis en place une ruche expérimentale. Ses travaux ont notamment permis d'obtenir pour la première fois des descendantes femelles à partir de semence congelée sans antibiotique, une avancée qui a été reprise par de nombreux médias scientifiques internationaux.
Elle maîtrise des techniques de laboratoire avancées comme l'épifluorescence et la cytométrie en flux pour évaluer la qualité spermatique, compétences qu'elle applique également dans sa pratique clinique quotidienne.
Parallèlement à ses activités de recherche, le Dr Egyptien a développé une solide expérience en clinique de reproduction des petits animaux, principalement chez le chien, tout en encadrant régulièrement des étudiants.
Depuis octobre 2025, elle participe à la création du Centre Hospitalier de l'École Vétérinaire UniLaSalle où elle combine clinique, enseignement et recherche. Elle poursuit notamment ses travaux sur la reproduction de l'abeille, un domaine qui allie reproduction, biodiversité et santé animale.
Publications
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 https://hdl.handle.net/2268/336559
Egyptien, S. (2025). TOWARDS A HONEY BEE CRYOBANK: INVESTIGATING TOOLS AND CRYOPRESERVATION TECHNIQUES FOR DRONE SEMEN (APIS MELLIFERA) [Doctoral thesis, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/335425 https://hdl.handle.net/2268/335425
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. https://hdl.handle.net/2268/335310
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. https://hdl.handle.net/2268/335653
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 https://hdl.handle.net/2268/327717
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 https://hdl.handle.net/2268/328911
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 https://hdl.handle.net/2268/321263
*These authors have contributed equally to this work. Generated on 7 Jan 2026 by [1]
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 https://hdl.handle.net/2268/331240
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 estronesulfate 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 https://hdl.handle.net/2268/307986
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 https://hdl.handle.net/2268/307537
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. https://hdl.handle.net/2268/329120
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 https://hdl.handle.net/2268/303572
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. https://hdl.handle.net/2268/305665
Brutinel, F., Egyptien, S., Thilliez, N., Abadie, A., Marlier, D., & Deleuze, S. (September 2022). Diode laser surgery in a 2-year- old doe with progesterone receptor free vaginal varicose veins. Reproduction in Domestic Animals, 57 (S4), 65. https://hdl.handle.net/2268/296224
Deleuze, S., Ponthier, J., Brutinel, F., & Egyptien, S. (September 2022). Evaluation of short-term storage of canine semen at room temperature and at 37°C – Preliminary study. Reproduction in Domestic Animals, 57 (S4), 1-111. https://hdl.handle.net/2268/296189
Egyptien, S., Brutinel, F., Ponthier, J., Ectors, F., Dewals, B. G., & Deleuze, S. (September 2022). Calcein Violet, a validated marker of membrane integrity in bulls and stallions. Reproduction in Domestic Animals, 57 (S4), 1-111. https://hdl.handle.net/2268/296188
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 https://hdl.handle.net/2268/293371
Egyptien, S., Brutinel, F., Ponthier, J., Ectors, F., Dewals, B. G., & Deleuze, S. (August 2022). Validation of Calcein Violet as a new marker of semen membrane integrity in Apis mellifera drones [Paper presentation]. Apimondia Apicultural Congress, Istanbul, Turkey. https://hdl.handle.net/2268/296212
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. https://hdl.handle.net/2268/292961
Brutinel, F., Egyptien, S., Thilliez, N., Marlier, D., & Deleuze, S. (June 2022). Surgical removal of a sex-hormone dependant vaginal fibroleiomyosarcoma in a female ferret: a case report [Poster presentation]. 2022 ISCFREVSSAR Congress. https://hdl.handle.net/2268/296225
Egyptien, S., Brutinel, F., Ponthier, J., Ectors, F., Dewals, B. G., & Deleuze, S. (June 2022). Calcein violet, a validated marker of membrane integrity in dogs [Poster presentation]. 2022 ISCFR-EVSSAR Congress, Milan, Italy. https://hdl.handle.net/2268/296192
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 https://hdl.handle.net/2268/264812
Debelle, A., de Rooster, H., Bianchini, E., Lonys, L., Huberland, F., Vanhoestenberghe, A., Lambert, P., Acuña, V., Smets, H., Giannotta, F., Delchambre, A., Sandersen, C., Bolen, G., Egyptien, S., Deleuze, S., Devière, J., & Nonclercq, A. (2021). Optimization and assessment of a novel gastric electrode anchoring system designed to be implanted by minimally invasive surgery. Medical Engineering and Physics. doi:10.1016/j.medengphy.2021.05.004 https://hdl.handle.net/2268/265917
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 https://hdl.handle.net/2268/253075
Egyptien, S. (2019). MISE AU POINT DE TECHNIQUE D’ELEVAGE DE FAUX BOURDONS EN BELGIQUE ET DE LA CRYOPRESERVATION DE LEURS GAMETES [Specialised master, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/243967 https://hdl.handle.net/2268/243967
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. https://hdl.handle.net/2268/245267
Egyptien, S., Beaufays, F., Brutinel, F., Ponthier, J., Farnir, F., & Deleuze, S. (September 2019). Impact of oral clomiphene citrate administration on prostatic volume and plasmatic testosterone concentrations in male beagles. Reproduction in Domestic Animals, 54 (3), 63-64. https://hdl.handle.net/2268/238775
Egyptien, S., Brutinel, F., Ponthier, J., & Deleuze, S. (September 2019). Optimizing drone raising and marking techniques in Belgium: a report [Paper presentation]. 46th Apimondia International Apicultural Congress, Montréal, Canada. https://hdl.handle.net/2268/238774
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. https://hdl.handle.net/2268/245266
Egyptien, S., Brutinel, F., & Deleuze, S. (June 2019). Melatonin implants to control estrus in Belgian breeding queens. Reproduction in Domestic Animals, 54 (2), 49. https://hdl.handle.net/2268/238773
Lejong, M., Egyptien, S., Deleuze, S., & Bassu, G. (June 2019). Emergency C-section and pre-natal maternal corticosteroid therapy: Three cases in pre-term brachycephalic dogs. Reproduction in Domestic Animals, 54 (2), 93. https://hdl.handle.net/2268/238888
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. https://hdl.handle.net/2268/229250
Rigaux, G., Parrilla Hernandez, S., Egyptien, S., Gatez, C., Carrasco-Leroy, C., & Ponthier, J. (23 July 2018). Onfield Electro-ejaculation of Wild Prezwalski Horses: Results and Perspectives. Journal of Equine Veterinary Science, 66, 83. https://hdl.handle.net/2268/227376
Egyptien, S., Shimizu, N., Anne-Archard, N., Billen, F., Deleuze, S., & Noël, S. (June 2018). Pyocolpos in a spayed queen with imperforate hymen: a case report [Poster presentation]. EVSSAR Congress, Venise, Italy.
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. https://hdl.handle.net/2268/213534
