Induction and Formation of Accessory Corpus Luteum after Artificial Insemination (AI) Might Increase Pregnancy Rate per AI in Heat Stressed Dairy Cows

1. Thatcher, W.W., Collier, R.J. (1986). Effects of climate on bovine reproduction. In: D.A. Morrow (Ed.), Current therapy in theriogenology, 2nd ed., (pp. 301 – 309). Philadelphia: W.B. SaundersSearch in Google Scholar

2. Rocha, A., Randel, R.D., Broussard, J.R., Lim, J.M., Blair, R.M., Roussel, J.D., Godke, R., Hansel, W. (1998). High environmental temperature and humidity decrease oocyte quality in Bos taurus but not in Bos taurus cows. Theriogenology 49(3): 657–665. https://doi.org/10.1016/S0093-691X(98)00016-810.1016/S0093-691X(98)00016-8Search in Google Scholar

3. García-Ispierto, I., López-Gatius, F., Santolaria, P., Yániz, J.L., Nogareda, C., López-Béjar, M., De Rensis, F. (2006). Relationship between heat stress during the peri-implantation period and early fetal loss in dairy cattle. Theriogenology 65(4): 799–807. https://doi.org/10.1016/j.theriogenology.2005.06.011 PMid:1608529810.1016/j.theriogenology.2005.06.011Search in Google Scholar

4. Wolfenson, D., Roth, Z., Meidan, R. (2000). Impaired reproduction in heat-stressed cattle: basic and applied aspects. Anim Reprod Sci. 60, 535–547. https://doi.org/10.1016/S0378-4320(00)00102-010.1016/S0378-4320(00)00102-0Search in Google Scholar

5. Schmitt, E.P., Diaz, T., Barros, C.M., De La Sota, R.L., Drost, M., Fredriksson, E.W., et al. (1996). Differential response of the luteal phase and fertility in cattle following ovulation of the first-wave follicle with human chorionic gonadotropin or an agonist of gonadotropin-releasing hormone. J Anim Sci. 74(5): 1074–1083. https://doi.org/10.2527/1996.7451074x PMid:872674010.2527/1996.7451074x8726740Search in Google Scholar

6. Santos, J.E.P., Thatcher, W.W., Pool, L., Overton, M.W. (2001). Effect of human chorionic gonadotropin on luteal function and reproductive performance of high-producing lactating Holstein dairy cows. J Anim Sci. 79(11): 2881–2894. https://doi.org/10.2527/2001.79112881x PMid:1176811810.2527/2001.79112881x11768118Search in Google Scholar

7. Beltran, M.P., Vasconcelos, J.L.M. (2008). Conception rate in Holstein cows treated with GnRH or hCG on the fifth day post artificial insemination during summer. Arq Bras Med Vet. 60(3): 580–586. https://doi.org/10.1590/S0102-0935200800030000910.1590/S0102-09352008000300009Search in Google Scholar

8. Mendonça, L.G.D., Mantelo, F.M., Stevenson, J.S. (2017). Fertility of lactating dairy cows treated with gonadotropin-releasing hormone at AI, 5 days after AI, or both, during summer heat stress. Theriogenology 91, 9–16. https://doi.org/10.1016/j.theriogenology.2016.11.032 PMid:2821569110.1016/j.theriogenology.2016.11.03228215691Search in Google Scholar

9. López-Gatius, F., Santolaria, P., Martino, A., Delétang, F., De Rensis, F. (2006). The effects of GnRH treatment at the time of AI and 12 days later on reproductive performance of high producing dairy cows during the warm season in northeastern Spain. Theriogenology 65(4): 820–830. https://doi.org/10.1016/j.theriogenology.2005.07.002 PMid:1611272210.1016/j.theriogenology.2005.07.00216112722Search in Google Scholar

10. Franco, M., Thompson, P.M., Brad, A.M., Hansen, P.J. (2006). Effectiveness of administration of gonadotropin-releasing hormone at Days 11, 14 or 15 after anticipated ovulation for increasing fertility of lactating dairy cows and non-lactating heifers. Theriogenology 66(4): 945–954. https://doi.org/10.1016/j.theriogenology.2005.12.014 PMid:1658006010.1016/j.theriogenology.2005.12.01416580060Search in Google Scholar

11. Friedman, E., Roth, Z., Voet, H., Lavon, Y., Wolfenson, D. (2012). Progesterone supplementation postinsemination improves fertility of cooled dairy cows during the summer. J Dairy Sci. 95(6), 3092–3099. https://doi.org/10.3168/jds.2011-5017 PMid:2261294510.3168/jds.2011-501722612945Search in Google Scholar

12. Ferguson, J.D., Galligan, D.T., Thomsen, N. (1994). Principal descriptors of body condition score in Holstein cows. J Dairy Sci. 77(9): 2695–2703. https://doi.org/10.3168/jds.S0022-0302(94)77212-X10.3168/jds.S0022-0302(94)77212-XSearch in Google Scholar

13. Dovenski T., Atanasov, B., Ilievska, K., Stojanov, B., Jasari, B. (2016). Implementation of “on- farm” method for early detection of non- pregnant cows by a single ultrasonographic examination of the ovaries on day 21 after artificial insemination. Reproduction in Domestic Animals 51(S2), 73.Search in Google Scholar

14. Vitali, A., Segnalini, M., Bertocchi, L., Bernabucci, U., Nardone, A., Lacetera, N. (2009). Seasonal pattern of mortality and relationships between mortality and temperature-humidity index in dairy cows. J Dairy Sci. 92(8): 3781–3790. https://doi.org/10.3168/jds.2009-2127 PMid:1962066010.3168/jds.2009-2127Search in Google Scholar

15. Gwazdauskas, F.C., Thatcher, W.W., Kiddy, C.A., Paape, M.J., Wilcox, C.J. (1981). Hormonal patterns during heat stress following PGF2α-tham salt induced luteal regression in heifers. Theriogenology 16(3): 271–285. https://doi.org/10.1016/0093-691X(81)90012-110.1016/0093-691X(81)90012-1Search in Google Scholar

16. Gilad, E., Meidan, R., Berman, A., Graber, Y., Wolfenson, D. (1993). Effect of heat stress on tonic and GnRH-induced gonadotrophin secretion in relation to concentration of oestradiol in plasma of cyclic cows. Reproduction 99(2): 315–321. https://doi.org/10.1530/jrf.0.0990315 PMid:810701210.1530/jrf.0.0990315Search in Google Scholar

17. Stevenson, J.S., Portaluppi, M.A., Tenhouse, D.E., Lloyd, A., Eborn, D.R., Kacuba, S., DeJarnette, J.M. (2007). Interventions after artificial insemination: conception rates, pregnancy survival, and ovarian responses to gonadotropin-releasing hormone, human chorionic gonadotropin, and progesterone. J Dairy Sci. 90(1): 331–340. https://doi.org/10.3168/jds.S0022-0302(07)72634-610.3168/jds.S0022-0302(07)72634-6Search in Google Scholar

18. Stevenson, J.S., Pulley, S.L. (2012). Pregnancy per artificial insemination after presynchronizing estrous cycles with the Presynch-10 protocol or prostaglandin F2α injection followed by gonadotropin-releasing hormone before Ovsynch-56 in 4 dairy herds of lactating dairy cows. J Dairy Sci. 95(11): 6513–6522. https://doi.org/10.3168/jds.2012-5707 PMid:2293978210.3168/jds.2012-5707Search in Google Scholar

19. Senger, P.L. (1997). Pathways to pregnancy and parturition. Current Conceptions, Inc., 1615 NE Eastgate Blvd.Search in Google Scholar

20. Dovenski, T., Kocoski, L., Trojacanec, P., Petkov, V., Popovski, K., Mickovski, G., Popovska-Percinic, F., Mickov, L. (1999). Comparison of ultrasonic morphology of bovine corpora lutea and plasma progesterone concentration during estrous cycle and early pregnancy. Mac J Reprod. 5, 47–57.Search in Google Scholar

21. Inskeep, E.K. (2004). Preovulatory, postovulatory, and postmaternal recognition effects of concentrations of progesterone on embryonic survival in the cow. Journal of Animal Science 82(S13), E24–E39. https://doi.org/10.2527/2004.8213_supplE24x PMid:1547180410.2527/2004.8213_supplE24xSearch in Google Scholar

22. Larson, S.F., Butler, W.R., Currie, W.B. (1997). Reduced fertility associated with low progesterone postbreeding and increased milk urea nitrogen in lactating cows. J Dairy Sci. 80(7): 1288–1295. https://doi.org/10.3168/jds.S0022-0302(97)76058-210.3168/jds.S0022-0302(97)76058-2Search in Google Scholar

23. Stronge, A.J.H., Sreenan, J.M., Diskin, M.G., Mee, J.F., Kenny, D.A., Morris, D.G. (2005). Postinsemination milk progesterone concentration and embryo survival in dairy cows. Theriogenology 64(5): 1212–1224. https://doi.org/10.1016/j.theriogenology.2005.02.007 PMid:1612556310.1016/j.theriogenology.2005.02.00716125563Search in Google Scholar

24. Wiltbank, M.C., Souza, A.H., Carvalho, P.D., Cunha, A.P., Giordano, J.O., Fricke, P.M., Baez, G.M., Diskin, M.G. (2014). Physiological and practical effects of progesterone on reproduction in dairy cattle. Animal 8(S1), 70–81. https://doi.org/10.1017/S1751731114000585 PMid:2470310310.1017/S175173111400058524703103Search in Google Scholar

25. Clemente, M., de La Fuente, J., Fair, T., Al Naib, A., Gutierrez-Adan, A., Roche, J.F., Rizos, D., Lonergan, P. (2009). Progesterone and conceptus elongation in cattle: a direct effect on the embryo or an indirect effect via the endometrium? Reproduction 138(3): 507. https://doi.org/10.1530/REP-09-0152 PMid:1955643910.1530/REP-09-0152Search in Google Scholar

26. Bilby, T.R., Block, J., Do Amaral, B.C., Sa Filho, O., Silvestre, F.T., Hansen, P.J., Staples, C.R., Thatcher, W.W. (2006). Effects of dietary unsaturated fatty acids on oocyte quality and follicular development in lactating dairy cows in summer. J Dairy Sci. 89(10): 3891–3903. https://doi.org/10.3168/jds.S0022-0302(06)72432-810.3168/jds.S0022-0302(06)72432-8Search in Google Scholar

27. Bisinotto, R.S., Chebel, R.C., Santos, J.E.P. (2010). Follicular wave of the ovulatory follicle and not cyclic status influences fertility of dairy cows. J Dairy Sci. 93(8): 3578–3587. https://doi.org/10.3168/jds.2010-3047 PMid:2065542610.3168/jds.2010-3047Search in Google Scholar

28. Silvia, W. J., Lewis, G. S., McCracken, J. A., Thatcher, W. W., Wilson Jr, L. (1991). Hormonal regulation of uterine secretion of prostaglandin F2α during luteolysis in ruminants. Biol Reprod. 45(5): 655–663. https://doi.org/10.1095/biolreprod45.5.655 PMid:175620310.1095/biolreprod45.5.655Search in Google Scholar

29. Younas, M., Fuquay, J.W., Smith, A.E., Moore, A.B. (1993). Estrous and endocrine responses of lactating Holsteins to forced ventilation during summer. J Dairy Sci. 76(2): 430–436. https://doi.org/10.3168/jds.S0022-0302(93)77363-410.3168/jds.S0022-0302(93)77363-4Search in Google Scholar

30. Voelz, B.E., Rocha, L., Scortegagna, F., Stevenson, J.S., Mendonça, L.G.D. (2016). Treatment of lactating dairy cows with gonadotropin-releasing hormone before first insemination during summer heat stress. J Dairy Sci. 99(9): 7612–7623. https://doi.org/10.3168/jds.2016-10970 PMid:2728915510.3168/jds.2016-1097027289155Search in Google Scholar

31. Stevenson, J.S., Pulley, S.L., Mellieon Jr, H.I. (2012). Prostaglandin F2α and gonadotropin-releasing hormone administration improve progesterone status, luteal number, and proportion of ovular and anovular dairy cows with corpora lutea before a timed artificial insemination program. J Dairy Sci. 95(4): 1831–1844. https://doi.org/10.3168/jds.2011-4767 PMid:2245983110.3168/jds.2011-476722459831Search in Google Scholar