Korte, A., Luhr, L., Weitz, U., Geiger, T., Verhaar, N., Tönißen, A., Sieme, H., & Heppelmann, M. (2025). Laparoscopic cryptorchidectomy in a holstein friesian bull: a case report. In Abstracts of the 58th Annual Conference of Physiology and Pathology of Reproduction and 50th Joint Conference of Veterinary and Human Reproductive Medicine (February 26th to 28th 2025, Leipzig). https://doi.org/10.1111/rda.70016
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Köhne, M., Tönissen, A., Weber, P., Martinsson, G., & Sieme, H. (2025). Aktuelles zur Endometritistherapie. In Niedersächsischer Tierärztetag 2025: Vortragszusammenfassungen. Verlag der DVG Service GmbH.
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Tönissen, A., Köhne, M., Weber, P., Martinsson, G., & Sieme, H. (2025). Reproduktionsbiotechnologien beim Pferd: Zucht im Wandel. In Niedersächsischer Tierärztetag 2025: Vortragszusammenfassungen. Verlag der DVG Service GmbH.
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Köhne, M., Diel, E., Packeiser, E.-M., Böttcher, D., Tönissen, A., Unruh, C., Goericke-Pesch, S., Ulrich, R., & Sieme, H. (2024). Analysis of gene and protein expression in the endometrium for validation of an ex vivo model of the equine uterus using PCR, digital and visual histopathology. Theriogenology, 221, 38–46. https://doi.org/10.1016/j.theriogenology.2024.03.015
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Köhne, M., Hüsch, R., Tönissen, A., Schmidt, M., Müsken, M., Böttcher, D., Hirnet, J., Plötz, M., Kittler, S., & Sieme, H. (2024). Isolation and characterization of bacteriophages specific to Streptococcus equi subspecies zooepidemicus and evaluation of efficacy ex vivo. Frontiers in Microbiology, 15, Article 1448958. https://doi.org/10.3389/fmicb.2024.1448958
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Sielhorst, J., Baade, S., Neudeck, K.-C., Tönissen, A., Rohn, K., Hollinshead, F., & Sieme, H. (2024). Success rates and factors influencing pregnancy outcome after 464 transvaginal ultrasound-guided twin reductions in the mare. Equine Veterinary Journal, 56(4), 726–734. https://doi.org/10.1111/evj.14071
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Tönissen, A., Köhne, M., Martinsson, G., Oldenhof, H., & Sieme, H. (2024). Advances in stallion semen freezing and thawing and transportation of frozen semen. In R. Rackwitz & U. Truyen (Eds.), 12. Leipziger Tierärztekongress: Tagungsband 2. https://ul.qucosa.de/landing-page/https%3A%2F%2Ful.qucosa.de%2Fapi%2Fqucosa%253A90839%2Fmets%2F/
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Barros, L., Köhne, M., Morandini, C., Tönissen, A., Martinsson, G., & Sieme, H. (2023). Effect of slow-cooling, cooled storage, and centrifugation prior to cryopreservation on post-thaw spermatological parameters in stallions classified as good or poor freezers. Pferdeheilkunde, 39(3), 240–246. https://doi.org/10.21836/PEM20230304
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Gentz, J. (2023). Transfer equiner Oozyten und früher ICSI-Embryonen durch Punktion in den periovulatorischen Follikel (Intrafollikulärer Oozytentransfer - IFOT, Intrafollikulärer Embryonentransfer - IFET) im Vergleich zum hysteroskopisch-geleiteten Transfer in den Eileiter (Ovidukt Oozytentransfer - OOT, Ovidukt Embryonentransfer - OET) zur Generierung transfertauglicher Blastozysten bei der Stute. https://nbn-resolving.org/urn:nbn:de:gbv:95-118666
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Köhne, M., Diel, E., Hüsch, R., Tönissen, A., & Sieme, H. (2023). Arousing students’ interest in equine reproduction: An innovative case-based approach. In 1st European Symposium on Animal Reproduction, 21st – 23rd September 2023, Nantes, France (OC 6.6). 1st European Symposium on Animal Reproduction, Sep 21-23, 2023, Nantes, France. https://onlinelibrary.wiley.com/toc/14390531/2023/58/S2
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