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SÜTÇÜ İNEKLERDE ÖSTRUS SİKLUSUNUN, FOLİKÜLER GELİŞİMİN ve OVULASYONUN HORMONAL KONTROLÜ

Year 2021, Volume: 12 Issue: 3, 168 - 180, 29.12.2021
https://doi.org/10.38137/vftd.1020222

Abstract

Süt sığırcılığı işletmelerinde sürdürülebilir üretim ve verimlilik için en önemli faktörlerden biri döl verimidir. İşletme ölçeğine bağlı olarak, verimliliği artırabilmek için çeşitli yaklaşımlar kullanılmaktadır. Bunlar, seksüel aktivitenin gözlenmesi, sensör teknolojilerinin kullanımı, endokrin ölçümler ve hormon müdahaleleridir. Son elli yıl içinde, işletmelerdeki hayvan sayısının artışı, insan faktöründen kaynaklı kayıpları artırmıştır. Bu nedenle, sürülerde üremenin denetlenmesinde diğer teknolojik yaklaşımlara göre daha ucuz olan hormon uygulamaları yaygın hale gelmiştir. Bu amaçla prostaglandin F2-alfa (PGF2α) analogları, gonadotropin salıcı hormon (GnRH) analogları, progesteron, östradiol (E2), gebe kısrak serum gonadotropini (PMSG), insan koriyonik gonadotropini (hCG) gibi hormonlar veteriner hekimlikte geniş bir uygulama alanı bulmuştur. Üreme hormonlarının analog formlarının kullanımıyla çeşitli östrusun, foliküler gelişimin ve ovulasyonun senkronize edildiği programlar geliştirilmiştir. Bunların en yaygın kullanılanları, hedeflenmiş tohumlama programı, modifiye edilmiş hedef tohumlama programı, ov-synch, presenkronizasyon uygulanan ov-synch, progesteronla desteklenmiş ov-synch, double (çift) ov-synch programlarıdır.

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Thanks

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References

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  • Alkar, A., Tibary, A., Wenz, J. R., Nebel, R. L., & Kasimanickam, R. (2011). Presynchronization with GnRH 7 days prior to resynchronization with CO-Synch did not improve pregnancy rate in lactating dairy cows. Theriogenology, 76(6), 1036-1041.
  • Alvarez, R. H., Bayeux, B. M., Joaquim, D. A., Watanabe, Y. F., & Humblot, P. (2021). Antral follicle count, oocyte production and embryonic developmental competence of senescent Nellore (Bos indicus) cows. Theriogenology, 174, 27-35.
  • Ambrose, D. J., Schmitt, E. J., Lopes, F. L., Mattos, R. C., & Thatcher, W. W. (2004). Ovarian and endocrine responses associated with the treatment of cystic ovarian follicles in dairy cows with gonadotropin releasing hormone and prostaglandin F2α, with or without exogenous progesterone. Can Vet J, 45(11), 931.
  • Baranski, W., Nowicki, A., & Zduńczyk, S. (2021). Comparison of efficacy of Ovsynch protocol to single PGF2α administration in treatment of individual dairy cows with post-service subestrus. Pol J Vet Sci, 351-354.
  • Bartolome, J. A., Sozzi, A., McHale J., Mendelez, P., Arteche A. C. M., Silvestre F. T., Kelbert, D., Swift, K., Archbald, L. F., & Thatcher, W. W. (2005). Resynchronization of ovulation and timed insemination in lactating dairy cows, II: assigning protocols according to stages of the estrous cycle, or presence of ovarian cysts or anestrus. Theriogenology 63 (2005) 1628 - 1642.
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HORMONAL CONTROL of THE ESTROUS CYCLE, FOLLICULAR DEVELOPMENT and OVULATION IN DAIRY COWS

Year 2021, Volume: 12 Issue: 3, 168 - 180, 29.12.2021
https://doi.org/10.38137/vftd.1020222

Abstract

Reproduction is one of the most important factor for sustainability and productivity in dairy farm management. Depending on the capacity of the herds, various approaches are used in management. These are the visual observation of the sexual activities, adaptation of sensory technologies, endocrine measurements, and hormone interventions. In the last fifty years, managery of the herds had an effort to minimize the losses due to human-caused. Thus, the hormone applications, which are cheaper than the other technological approaches, are preferred by the farm managements. Reproductive hormones, such as prostaglandin-F2-alpha (PGF2α) analogues, gonadotrophin releasing hormone (GnRH) analogues, progesterone, estradiol (E2), pregnant mare serum gonadotropin (PMSG), and human chorionic gonadotropin (hCG) have been widely used in veterinary medicine. By use of these reproductive hormones, the estrous cycle, follicular development, and ovulation can be synchronized in a schedule. The most commonly used programs are targeted insemination program, modified targeted insemination program, ov-synch, ov-synch with presynchronization, ov-synch supplemented with progesterone, and double (double) ov-synch program.

Project Number

Bulunmamaktadır

References

  • Adams, G. P., & Singh, J. (2021). Ovarian follicular and luteal dynamics in cattle. In, Richard M. Hopper DVM, Diplomat ACT. Editors. Bovine reproduction. 2nd ed. New Jersey, USA: John Wiley & Sons, Inc.; pp. 292-323.
  • Ahlawat, A. R., Ghodasara, S. N., Dongre, V. B., Gajbhiye, P. U., Murthy, K. S., Savaliya, K. B., & Vataliya, P. H. (2015). Estrus induction and conception rate with single and double dose of PGF2α in Jaffrabadi buffaloes. Asian J Anim Sci, 10(1), 54-57.
  • Alkar, A., Tibary, A., Wenz, J. R., Nebel, R. L., & Kasimanickam, R. (2011). Presynchronization with GnRH 7 days prior to resynchronization with CO-Synch did not improve pregnancy rate in lactating dairy cows. Theriogenology, 76(6), 1036-1041.
  • Alvarez, R. H., Bayeux, B. M., Joaquim, D. A., Watanabe, Y. F., & Humblot, P. (2021). Antral follicle count, oocyte production and embryonic developmental competence of senescent Nellore (Bos indicus) cows. Theriogenology, 174, 27-35.
  • Ambrose, D. J., Schmitt, E. J., Lopes, F. L., Mattos, R. C., & Thatcher, W. W. (2004). Ovarian and endocrine responses associated with the treatment of cystic ovarian follicles in dairy cows with gonadotropin releasing hormone and prostaglandin F2α, with or without exogenous progesterone. Can Vet J, 45(11), 931.
  • Baranski, W., Nowicki, A., & Zduńczyk, S. (2021). Comparison of efficacy of Ovsynch protocol to single PGF2α administration in treatment of individual dairy cows with post-service subestrus. Pol J Vet Sci, 351-354.
  • Bartolome, J. A., Sozzi, A., McHale J., Mendelez, P., Arteche A. C. M., Silvestre F. T., Kelbert, D., Swift, K., Archbald, L. F., & Thatcher, W. W. (2005). Resynchronization of ovulation and timed insemination in lactating dairy cows, II: assigning protocols according to stages of the estrous cycle, or presence of ovarian cysts or anestrus. Theriogenology 63 (2005) 1628 - 1642.
  • Bergfeld, E. G. M., Kojima, F. N., Cupp, A. S., Wehrman, M. E., Peters, K. E., Mariscal, V., Sanchez, T., & Kinder, J. E. (1996). Changing dose of progesterone results in sudden changes in frequency of luteinizing hormone pulses and secretion of 17β-estradiol in bovine females. Biology Reprod, 54(3), 546-553.
  • Bihon, A., & Assefa, A. (2021). Prostaglandin based estrus synchronization in cattle: A review. Cogent Food Agric, 7(1), 1-9.
  • Bisinotto, R. S., Ribeiro, E. S., Martins, L. T., Marsola, R. S., Greco, L. F., Favoreto, M. G., Risco, C. A., Thatcher, W. W., & Santos, J. E. P. (2010). Effect of interval between induction of ovulation and artificial insemination (AI) and supplemental progesterone for resynchronization on fertility of dairy cows subjected to a 5-d timed AI program. J Dairy Sci, 93(12), 5798-5808.
  • Bisinotto, R. S., Ribeiro, E. S., & Santos, J. E. P. (2014). Synchronisation of ovulation for management of reproduction in dairy cows. Animal, 8(s1), 151-159.
  • Bo, G. A., Adams, G. P., Pierson, R. A., Tribulo, H. E., Caccia, M., & Mapletoft, R. J. (1994). Follicular wave dynamics after estradiol-17β treatment of heifers with or without a progestogen implant. Theriogenology, 41(8), 1555-1569.
  • Carvalho, P. D., Fuenzalida, M. J., Ricci, A., Souza, A. H., Barletta, R. V., Wiltbank, M. C., & Fricke, P. M. (2015). Modifications to Ovsynch improve fertility during resynchronization: Evaluation of presynchronization with gonadotropin-releasing hormone 6 d before initiation of Ovsynch and addition of a second prostaglandin F2α treatment. J Dairy Sci, 98(12), 8741-8752.
  • Crowe, M. A., Hostens, M., & Opsomer, G. (2018). Reproductive management in dairy cows-the future. Ir Vet J, 71(1), 1-13.
  • DeJarnette, J. M., & Marshall, C. E. (2003). Effects of pre-synchronization using combinations PGF2α and (or) GnRH on pregnancy rates of Ovsynch-and Cosynch-treated lactating Holstein cows. Anim Reprod Sci, 77(1-2), 51-60.
  • Denicol, A. C., Lopes Jr, G., Mendonça, L. G. D., Rivera, F. A., Guagnini, F., Perez, R. V., Lima, J. R., Bruno, R. G. S., Santos, J. E. P., & Chebel, R. C. (2012). Low progesterone concentration during the development of the first follicular wave reduces pregnancy per insemination of lactating dairy cows. J Dairy Sci, 95(4), 1794-1806.
  • Douthwaite, R., & Dobson, H. (2000). Comparison of different methods of diagnosis of cystic ovarian disease in cattle and an assessment of its treatment with a progesterone‐releasing intravaginaI device. Vet Rec, 147(13), 355-359.
  • Drillich, M., Tenhagen, B. A., & Heuwieser, W. (2000). Effect of one spontaneous estrus cycle (after synchronization with PGF2α) on reproductive performance in dairy cows. Theriogenology, 54(9), 1389-1394.
  • Folman, Y., Kaim, M., Herz, Z., & Rosenberg, M. (1990). Comparison of methods for the synchronization of estrous cycles in dairy cows. 2. Effects of progesterone and parity on conception. J Dairy Sci, 73(10), 2817-2825.
  • Forde, N., Beltman, M. E., Lonergan, P., Diskin, M., Roche, J. F., & Crowe, M. A. (2011). Oestrous cycles in bos taurus cattle. Anim Reprod Sci, 124, 163-169.
  • Fortune, J. E., Rivera, G. M., & Yang, M. Y. (2004). Follicular development: the role of the follicular microenvironment in selection of the dominant follicle. Anim Reprod Sci, 82, 109-126.
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There are 63 citations in total.

Details

Primary Language Turkish
Subjects Veterinary Sciences
Journal Section Review
Authors

Mehmet Cengiz 0000-0001-9913-3468

Vefa Tohumcu 0000-0003-4062-7513

Project Number Bulunmamaktadır
Publication Date December 29, 2021
Acceptance Date December 13, 2021
Published in Issue Year 2021 Volume: 12 Issue: 3

Cite

APA Cengiz, M., & Tohumcu, V. (2021). SÜTÇÜ İNEKLERDE ÖSTRUS SİKLUSUNUN, FOLİKÜLER GELİŞİMİN ve OVULASYONUN HORMONAL KONTROLÜ. Veteriner Farmakoloji Ve Toksikoloji Derneği Bülteni, 12(3), 168-180. https://doi.org/10.38137/vftd.1020222