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Synchronization of Ovulation and Timed Insemination in Lactating Dairy Cattle


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1. Burdych, V., Kocmánek, J., et al., 2021: Reproduction of Cattle (In Czech). Cooperative for Performance Control, Czech Republic, 194 pp. Search in Google Scholar

2. Colazo, M. G., Ponce-Barajas, P., Ambrose, D. J., 2013: Pregnancy per artificial insemination in lactating dairy cows subjected to 2 different intervals from presynchronization to initiation of Ovsynch protocol. J. Dairy Sci., 96, 12, 7640‒7648. DOI: 10.3168/jds.2013-6750.10.3168/jds.2013-675024094535 Search in Google Scholar

3. Coufalík, V., 2013: Current Issues in Cattle Reproduction (In Czech). Agriprint, Olomouc, CR, 184 pp. Search in Google Scholar

4. Fricke, P. M., Caraviello, D. Z., Weigel, K. A., Welle, M. L., 2003: Fertility of dairy cows after resynchronization of ovulation at three intervals following first timed insemination. J. Dairy Sci., 86, 3941–3950. DOI: 10.3168/jds.S00 22-0302(03)74003-X.10.3168/jds.S0022-0302(03)74003-X Search in Google Scholar

5. Giordano, J. O., Wiltbank, M. C., Guenther, J. N., Pawlisch, R., Bas, S., Cunha, A. P., Fricke, P. M., 2012: Increased fertility in lactating dairy cows resynchronized with Double-Ovsynch compared with Ovsynch initiated 32 d after timed artificial insemination. J. Dairy Sci., 95, 2, 639‒653. DOI: 10.3168/jds.2011-4418.10.3168/jds.2011-441822281329 Search in Google Scholar

6. Giordano, J. O., Thomas, M. J., Catucuamba, G., Curler, M. D., Wijma, R., Stangaferro, M. L., Masello, M., 2016: Effect of extending the interval from Presynch to initiation of Ovsynch in a Presynch-Ovsynch protocol on fertility of timed artificial insemination services in lactating dairy cows. J. Dairy Sci., 99, 1 746‒757. DOI: 10.3168/jds.2015-10083.10.3168/jds.2015-1008326506551 Search in Google Scholar

7. Karakaya-Bilen, E., Yilmazbas-Mecitoglu, G., Keskin, A., Guner, B., Serim, E., Santos, J. E. P., Ahmet Gümen, A., 2019: Fertility of lactating dairy cows inseminated with sex-sorted or conventional semen after Ovsynch, Presynch– Ovsynch and Double-Ovsynch protocols. Reprod. Dom. Anim., 54, 2, 309‒316. DOI: 10.1111/rda.13363.10.1111/rda.1336330325530 Search in Google Scholar

8. Macmillan, K. L., 2010: Recent advances in the synchronization of oestrus and ovulation in dairy cows. J. Reprod. Devel., 56, S, S42‒S47. DOI: 10.1262/jrd.1056S42.10.1262/jrd.1056S42 Search in Google Scholar

9. Navanukraw, C., Redmer, D. A., Reynolds, L. P., Kirsch, J. D., Grazul-Bilska, A. T., Fricke, P. M., 2004: A modified presynchronization protocol improves fertility to timed artificial insemination in lactating dairy cows. J. Dairy Sci., 87, 5, 1551‒1557.10.3168/jds.S0022-0302(04)73307-X15291005 Search in Google Scholar

10. Nowicki, A., Barański, W., Baryczka, A., Janowski, T., 2017: OvSynch protocol and its modifications in the reproduction management of dairy cattle herds, an update. J. Vet. Res., 61, 3, 329‒336. DOI: 10.1515/jvetres-2017-0043.10.1515/jvetres-2017-0043589441929978091 Search in Google Scholar

11. Polsky, L., von Keyserlingk, M. A., 2017: Invited review: Effects of heat stress on dairy cattle welfare. J. Dairy Sci., 100, 11, 8645‒8657. DOI: 10.3168/jds.2017-12651.10.3168/jds.2017-1265128918147 Search in Google Scholar

12. Pursley, J. R., Wiltbank, M. C., Stevenson, J. S., Ottobre, J. S., Garverick, H. A., Anderson, L. L., 1997: Pregnancy rates per artificial insemination for cows and heifers inseminated at a synchronized ovulation or synchronized oestrus. J. Dairy Sci., 80, 2, 295‒300. DOI: 10.3168/jds.S0022-0302(97)75937-X.10.3168/jds.S0022-0302(97)75937-X9058270 Search in Google Scholar

13. Souza, A. H., Ayres, H., Ferreira, R. M., Wiltbank, M. C., 2008: A new presynchronization system (Double-Ovsynch) increases fertility at first postpartum timed AI in lactating dairy cows. Theriogenology, 70, 2, 208‒215. DOI: 10.1016/j. theriogenology.2008.03.014.10.1016/j.theriogenology.2008.03.014 Search in Google Scholar

14. Thatcher, W. W., Bilby, T. R., Bartolome, J. A., Silvestre, F., Staples, C. R., Santos, J. E., 2006: Strategies for improving fertility in the modern dairy cow. Theriogenology, 65, 30–44. DOI: 10.1016/j.theriogenology.2005.10.004.10.1016/j.theriogenology.2005.10.00416280156 Search in Google Scholar

15. Williams, G. L., Cardoso, R. C., 2021: Neuroendocrine control of oestrus and ovulation. Bovine Reprod., 269‒291. DOI: 10.1002/9781119602484.ch24.10.1002/9781119602484.ch24 Search in Google Scholar

16. Wiltbank, M. C., Pursley, J. R., 2014: The cow as an induced ovulator: Timed AI after synchronization of ovulation. Theriogenology, 81, 1, 170‒185. DOI: 10.1016/j.therio genology.2013.09.017.10.1016/j.theriogenology.2013.09.017 Search in Google Scholar

17. Yilmaz, C., Yilmaz, O., Ucar, M., 2011: Effect of PGF2α and GnRH injections applied before Ovsynch on pregnancy rates in cows and heifers. Kafkas Univ. Vet. Fak. Derg., 17, 4, 641‒644. DOI: 10.9775/kvfd.2011.4638.10.9775/kvfd.2011.4638 Search in Google Scholar

18. Yousuf, M., 2021: Challenges and opportunities of artificial insemination on dairy cattle in Ethiopia. Res. Horizon, 1, 2, 47‒54. DOI: 10.54518/rh.1.2.2021.47-54.10.54518/rh.1.2.2021.47-54 Search in Google Scholar

eISSN:
2453-7837
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
4 Hefte pro Jahr
Fachgebiete der Zeitschrift:
Biologie, Molekularbiologie, Biotechnologie, Mikrobiologie und Virologie, Medizin, Veterinärmedizin