Factors affecting conception rate after artificial insemination and pregnancy loss in lactating dairy cows

Animal Reproduction Science

Volumn 84, Issue 3-4, 2004, Pages 239-255

  Chebel, Ricardo C ^a   Santos, José E P ^a   Reynolds, James P ^a   Cerri, Ronaldo L A ^a   Juchem, Sérgio O ^a   Overton, Michael ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Artificial insemination; Conception rate; Dairy cows; Heat stress; Pregnancy loss

Indexed keywords

ANIMAL; ANIMAL DISEASE; ANIMAL HUSBANDRY; ANIMAL LAMENESS; ARTICLE; ARTIFICIAL INSEMINATION; CATTLE; CATTLE DISEASE; FEMALE; FERTILIZATION; HEAT INJURY; LACTATION; METHODOLOGY; MILK; PARITY; PHYSIOLOGY; PREGNANCY; PROSPECTIVE STUDY; RETROSPECTIVE STUDY; SECRETION; STATISTICAL MODEL; VETERINARY ABORTION;

ABORTION, VETERINARY; ANIMAL HUSBANDRY; ANIMALS; CATTLE; FEMALE; FERTILIZATION; HEAT STRESS DISORDERS; INSEMINATION, ARTIFICIAL; LACTATION; LAMENESS, ANIMAL; LOGISTIC MODELS; MASTITIS, BOVINE; MILK; PARITY; PREGNANCY; PROSPECTIVE STUDIES; RETROSPECTIVE STUDIES;

EID: 4143110411     PISSN: 03784320     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.anireprosci.2003.12.012     Document Type: Article

References (32)

1. Allison, P.D., 1999. Logistic regression using the SAS® system: Theory and application. SAS Institute Inc., NC, USA.
2. Cartmill J.A., El Zarkouny S.Z., Hensley B.A., Lamb G.C., Stevenson J.S. Stage of cycle, incidence, and timing of ovulation, and pregnancy rates in dairy cattle after three timed breeding protocols. J. Dairy Sci. 84:2001a;1051-1059
3. Cartmill J.A., El-Zarkouny S.Z., Hensley B.A., Rozell T.G., Smith J.F., Stevenson J.S. An alternative AI breeding protocol for dairy cows exposed to elevated ambient temperatures before or after calving or both. J. Dairy Sci. 84:2001b;799-806
4. Cerri R.L.A., Galvão K.N., Juchem S.O., Chebel R.C., Santos J.E.P. Timed AI (TAI) with estradiol cypionate (ECP) or insemination at detected estrus in lactating dairy cows. J. Dairy Sci. 86(Suppl. 1):2003;181. (Abstract)
5. Chebel R.C., Santos J.E.P., Cerri R.L.A., Galvao K.N., Juchem S.O., Thatcher W.W. Effect of resynchronization with GnRH on day 21 after artificial insemination on pregnancy rate and pregnancy loss in lactating dairy cows. Theriogenology. 60:2003;1389-1399
6. Drost M., Ambrose J.D., Thatcher M.J., Cantrell C.K., Wolfsdorf K.E., Hasler J.F., Thatcher W.W. Conception rates after artificial insemination or embryo transfer in lactating dairy cows during summer in Florida. Theriogenology. 52:1999;1161-1167
7. Fricke P.M. Scanning the future - ultrasonography as a reproductive management tool for dairy cattle. J. Dairy Sci. 85:2002;1918-1926
8. Gröhn Y.T., Rajala-Schultz P.J. Epidemiology of reproductive performance in dairy cows. Anim. Reprod. Sci. 60-61:2000;605-614
9. Hansen P.J., Arechiga C.F. Strategies for managing reproduction in the heat-stressed dairy cow. J. Anim. Sci. 77(Suppl. 2):1999;E37-E50
10. Hillerton J.E., Kliem K.E. Effective of treatment of Streptococcus uberis clinical mastitis to minimize the use of antibiotics. J. Dairy Sci. 85:2002;1009-1014
11. 2α, gonadotropin-releasing hormone, and timed artificial insemination. J. Dairy Sci. 83:2000;2366-2372
12. Kadzere C.T., Murphy M.R., Silanikove N., Maltz E. Heat stress in lactating dairy cows: a review. Livestock Prod. Sci. 77:2002;59-91
13. Littell, R.C., Stroup, W.W., Freund, R.J., 2002. SAS for linear models, 4th Edition. SAS Institute Inc., NC, USA.
14. Lucy M.C. Reproductive loss in high-producing dairy cattle: where will it end? J. Dairy Sci. 84:2001;1277-1293
15. Lussier J.G., Matton P., Dufour J.J. Growth rates of follicles in the ovary of the cow. J. Reprod. Fert. 81:1987;301-307
16. Macmillan K.L., Taufa V.K., Barnes D.R., Day A.M., Henry R. Detecting estrus in synchronized heifers using tailpaint and aerosol raddle. Theriogenology. 30:1988;1099-1114
17. MINITAB, 2000. MINITAB® Reference Manual Release 13.32. MINITAB Inc., State College, PA, USA.
18. Moreira F., Orlandi C., Risco C.A., Mattos R., Lopes F., Thatcher W.W. Effects of presynchronization and bovine somatotropin on pregnancy rates to a time artificial insemination protocol in lactating dairy cows. J. Dairy Sci. 84:2001;1646-1659
19. NRC, 2001. Nutrient Requirements of Dairy Cattle. 7th Rev. Ed., Natl. Acad. Sci., Washington, DC, USA.
20. 2α and GnRH. J. Dairy Sci. 85:2002;2403-2406
21. Pursley J.R., Kosorok M.R., Wiltbank M.C. Reproductive management of lactating dairy cows using synchronization of ovulation. J. Dairy Sci. 80:1997;301-306
22. Risco C.A., Donovan G.A., Hernandez J. Clinical mastitis associated with abortion in dairy cows. J. Dairy Sci. 82:1999;1684-1689
23. Roth Z., Arav A., Bor A., Zeron Y., Braw-Tal R., Wolfenson D. Improvement of quality of oocytes collected in the autumn by enhanced removal of impaired follicles from previously heat-stressed cows. Reproduction. 122:2001a;737-744
24. Roth Z., Meidan R., Shaham Albalancy A., Braw-Tal R., Wolfenson D. Delayed effect of heat stress on steroid production in medium size and preovulatory bovine follicles. Reproduction. 121:2001;745-751
25. Santos, J.E.P., Juchem, S.O., Cerri, R.L.A., Galvão, K.N., Chebel, R.C., Thatcher, W.W., Dei, C., Bilby, C., 2004a. Effect of bST and reproductive management on reproductive and lactational performance of Holstein dairy cows. J. Dairy Sci. 87, In Press.
26. Santos, J.E.P., Cerri, R.L.A., Ballou, M.A., Higginbotham, G.E., Kirk, J.H., 2004b. Effect of timing of first clinical mastitis occurrence on lactational and reproductive performance of Holstein dairy cows. Anim. Reprod. Sci. 80, In Press.
27. Santos J.E.P., Thatcher W.W., Pool L., Overton M.W. Effect of human chorionic gonadotropin on luteal function and reproductive performance of high producing lactating Holstein dairy cows. J. Anim. Sci. 79:2001;2881-2894
28. SAS, 2001. SAS/STAT® User's guide (Release 8.2). SAS Inst. Inc., Cary, NC.
29. Sartori R., Gumen A., Guenther J.N., Souza A.H., Wiltbank M.C. Comparison of artificial insemination (AI) versus embryo transfer (ET) in lactating dairy cows. J. Dairy Sci. 86(Suppl. 1):2003;238. (Abstract)
30. Schrick F.N., Hockett M.E., Saxton A.M., Lewis M.J., Dowlen H.H., Oliver S.P. Influence of subclinical mastitis during early lactation on reproductive parameters. J. Dairy Sci. 84:2001;1407-1412
31. Thurmond M.C., Picanso J.P., Jameson C.M. Considerations for use of descriptive epidemiology to investigate fetal loss in dairy cows. J. Am. Vet. Med. Assoc. 197:1990;1305-1312
32. Wolfenson D., Roth Z., Meidan R. Impaired reproduction in heat-stressed cattle: basic and applied aspects. Anim. Reprod. Sci. 60/61:2000;535-547