Acta Vet. Brno 2025, 94: 9-12

https://doi.org/10.2754/avb202594010009

Effect of intra-follicular luteinizing hormone and human chorionic gonadotropin administration in dairy heifers

Vojtěch Kos1, Olimpia Barbato2, Vladislav Bína3, Zuzana Cierniková1, Jana Nováková1, Svatopluk Čech1

1University of Veterinary Sciences Brno, Faculty of Veterinary Medicine, Ruminant and Swine Clinic, Brno, Czech Republic
2Università degli Studi di Perugia, Department of Veterinary Medicine, Perugia, Italy
3University of Economics, Faculty of Management, Department of Exact Methods, Prague, Czech Republic

Received February 22, 2024
Accepted October 25, 2024

References

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2. Bergfelt DR, Wilson LC, Brogliatti GM, Adams GP 1998: Gamete recovery and follicular transfer (GRAFT) using transvaginal ultrasonography in cattle. Theriogenology 50: 15-25 <https://doi.org/10.1016/S0093-691X(98)00109-5>
3. Cech S, Mala J, Indrova E, Lopatarova M, Dolezel R, Dluhosova H, Zilka L 2013: The introduction of a double-channel system for the intrafollicular treatment of cattle. Vet Med 58: 10-15 <https://doi.org/10.17221/6651-VETMED>
4. Ginther OJ, Bergfelt DR, Beg MA, Meira C, Kot K 2004: In vivo effects of an intrafollicular injection of insulin-like growth factor 1 on the mechanism of follicular deviation in heifers and mares. Biol Reprod 70: 99-105 <https://doi.org/10.1095/biolreprod.103.021949>
5. Hoelker M, Kassens A, Salilew-Wondim D, Sieme H, Wrenzycki C, Tesfaye D, Neuhoff C, Schellander K, Held Hoelker E 2017: Birth of healthy calves after intra-follicular transfer (IFOT) of slaughterhouse derived immature bovine oocytes. Theriogenology 97: 41-49 <https://doi.org/10.1016/j.theriogenology.2017.04.009>
6. Kassens A, Held E, Salilew-Wondim D, Sieme H, Wrenzycki C, Tesfaye D, Schellander K, Hoelker M 2015: Intrafollicular oocyte transfer (IFOT) of abattoir-derived and in vitro-matured oocytes results in viable blastocysts and birth of healthy calves. Biol Reprod 92: 1-2 <https://doi.org/10.1095/biolreprod.114.124883>
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8. López-Gatius F, Hunter RHF 2011: Intrafollicular insemination for the treatment of infertility in the dairy cow. Theriogenology 75: 1695-1698 <https://doi.org/10.1016/j.theriogenology.2011.01.006>
9. Mala J, Beckers JF, Melo de Sousa N, Indrova E, Lopatarova M, Dolezel R, Cech S 2013a: Intrafollicular LH administration in dairy heifers treated with a GnRH agonist. Vet Med 58: 81-86 <https://doi.org/10.17221/6700-VETMED>
10. Mala J, Beckers JF, Melo de Sousa N, Indrova E, Lopatarova M, Dolezel R, Sevelova H, Cech S 2013b: Determination of minimum effective doses of luteinizing hormone and human chorionic gonadotropin for intrafollicular treatment to induce ovulation in dairy heifers. Acta Vet Brno 82: 375-379 <https://doi.org/10.2754/avb201382040375>
11. Pieterse MC, Kappen KA, Kruip ThAM, Taverne MAM 1988: Aspiration of bovine oocytes during transvaginal ultrasound scanning of the ovaries. Theriogenology 30: 751-762 <https://doi.org/10.1016/0093-691X(88)90310-X>
12. R Core Team 2020: R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL https://www.R-project.org/
13. Shahiduzzaman AKM, Beg MA, Palhao MP, Siddiqui MAR, Shamsuddin M, Ginther OJ 2010: Stimulation of the largest subordinate follicle by intrafollicular treatment with insulin-like growth factor 1 is associated with inhibition of the dominant follicle in heifers. Theriogenology 74: 194-201 <https://doi.org/10.1016/j.theriogenology.2010.02.001>
14. Velazquez MA, Kues WA, Niemann H 2014: Biomedical applications of ovarian transvaginal ultrasonography in cattle. Anim Biotechnol 0: 1-28
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  • ISSN 0001-7213 (printed)
  • ISSN 1801-7576 (electronic)

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