Influence of stage of lactation and milk production on conception rates after timed artificial insemination following Ovsynch

Theriogenology

Volumn 60, Issue 8, 2003, Pages 1527-1537

  Tenhagen, Bernd Alois ^a   Vogel, Corinna ^a   Drillich, Marc ^a   Thiele, Gerhard ^a   Heuwieser, Wolfgang ^a  

^a FREIE UNIVERSITÄT BERLIN   (Germany)

Author keywords

Conception rates; Ovsynch; Production; Stage of lactation; Timed artificial insemination (TAI)

Indexed keywords

EID: 0141925362     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(03)00141-9     Document Type: Article

References (33)

1. Moreira F, Risco C, Pires MFA, Ambrose JD, Drost M, DeLorenzo M, et al. Effect of body condition on reproductive efficiency of lactating dairy cows receiving a timed insemination. Theriogenology 2000;53: 1305-19.
2. De la Sota RL, Burke JM, Risco CA, Moreira F, DeLorenzo MA, Thatcher WW. Evaluation of timed insemination during summer heat stress in lactating dairy cattle. Theriogenology 1998;49:761-70.
3. Cartmill JA, El-Zarkouny SZ, Hensley BA, Rozell TG, Smith JF, Stevenson JS. An alternative AI breeding protocol for dairy cows exposed to elevated ambient temperatures before or after calving or both. J Dairy Sci 2001;84:799-806.
4. 2α. J Dairy Sci 1996;79:402-10.
5. Cartmill JA, El-Zarkouny SZ, Hensley BA, Lamb GC, Stevenson JS. Stage of cycle, incidence, and timing of ovulation, and pregnancy rates in dairy cattle after three timed breeding protocols. J Dairy Sci 2001;84: 1051-9.
6. Tenhagen BA, Drillich M, Heuwieser W. Analysis of cow factors influencing conception rates after two timed breeding protocols. Theriogenology 2001;56:831-8.
7. 2α and GnRH. J Dairy Sci 2002;85:2403-6.
8. Vasconcelos JLM, Sicox RW, Rosa GJM, Pursley JR, Wiltbank MC. Synchronization rate, size of the ovulatory follicle, and pregnancy rate after synchronization of ovulation beginning on different days of the estrous cycle in lactating dairy cows. Theriogenology 1999;52:1067-78.
9. Pursley JR, Kosorok MR, Wiltbank MC. Reproductive management of lactating dairy cows using synchronization of ovulation. J Dairy Sci 1997;80:301-6.
10. Nebel RL, McGilliard ML. Interactions of high milk yield and reproductive performance in dairy cows. J Dairy Sci 1993;76:3257-68.
11. Lean IJ, Galland JC, Scott JL. Relationships between fertility, peak milk yields and lactational persistency in dairy cows. Theriogenology 1989;31:1093-103.
12. Macmillan KL, Lean IJ, Westwood CT. The effects of lactation on the fertility of dairy cows. Aust Vet J 1996;73:141-7.
13. Hansen LB, Freeman AE, Berger PJ. Yield and fertility relationships in dairy cattle. J Dairy Sci 1983;66:293-305.
14. Mantysaari E, Van Vleck LD. Estimation of genetic parameters for production and reproduction in Finnish Ayrshire cattle. J Dairy Sci 1989;72:2375-86.
15. Campos MS, Wilcox CJ, Becerril CM, Diz A. Genetic parameters for yield and reproductive traits of Holstein and Jersey cattle in Florida. J Dairy Sci 1994;77:867-73.
16. Platen M, Lindemann E, Muennich A. Environmental interactions between reproductive performance and milk yield in high-yielding cows in the USA. Tierärztl Umsch 1995;50:41-6.
17. Britt JH. Impacts of early postpartum metabolism on follicular development and fertility. The Bovine Proceedings 1992;24:39-43.
18. 2α, Gonadotropin-releasing hormone, and timed artificial insemination. J Dairy Sci 2000;83:2366-72.
19. Britt JH. Early postpartum breeding in dairy cows. A review. J Dairy Sci 1975;58:266-71.
20. Hillers JK, Senger PL, Darlington RL, Fleming WN. Effects of production, season, age of cow, days dry, and days in milk on conception to first service in large commercial dairy herds. J Dairy Sci 1984;67:861-7.
21. Arbel R, Bugun Y, Ezra E, Sturman H, Hojman D. The effect of extended calving intervals in high yielding lactating cows on milk production and profitability. J Dairy Sci 2001;84:600-8.
22. Surholt R. Comparison of three reproductive programs to improve reproductive performance in a dairy herd with low estrus detection. Dissertation, Free University, Faculty of Veterinary Medicine, Berlin; 2001.
23. Thatcher WW, Wilcox CJ. Postpartum estrus as an indicator of reproductive status in the dairy cow. J Dairy Sci 1973;56:608-15.
24. Harrison RO, Ford SP, Young JW, Conley AJ, Freeman AE. Increased milk production versus reproductive and energy status of high producing dairy cows. J Dairy Sci 1990;73:2749-58.
25. Schopper D, Schermer R, Weiler U, Claus R. Effects of milk yield on the fertility of dairy cows during the postpartum period: evaluation of progesterone profiles. Reprod Domest Anim 1993;28:225-35.
26. 2α, and GnRH. Theriogenology 1995;44:915-23.
27. Wittke M, Drillich M, Tenhagen BA, Heuwieser W. The effect of stage of estrus cycle at the initiation of an Ovsynch protocol on the conception rate. In: Proceedings of the 11th International Conference on Production Diseases in Farm Animals, Copenhagen, Denmark; August 12-16, 2001. pp. 47
28. Kossaibati MA, Esslemont RJ. The costs of production diseases in dairy herds in England. Vet J 1997;154:41-51.
29. 2α, programme. J Vet Med A 1999;46:167-76.
30. Heuwieser W, Tenhagen BA, Tischer M, Lühr J, Blum H. Effect of three programs for the treatment of endometritis on the reproductive performance of a dairy herd. Vet Rec 2000;146:338-41.
31. Drillich M, Bergmann J, Falkenberg U, Kurth A, Heuwieser W. Einfluss der Intensität der Puerperalkontrolle auf die Fruchtbarkeitsleistung von Hochleistungskühen. Dtsch Tieraerztl Wschr 2002;109:386-90.
32. LeBlanc SJ, Duffield TF, Leslie KE, Bateman KG, Keefe GP, Walton JS, et al. Defining and diagnosing postpartum clinical endometritis and its impact on reproductive performance in dairy cows. J Dairy Sci 2002;85:2223-36.
33. Gröhn YT, Rajala-Schultz PJ. Epidemiology of reproductive performance in dairy cows. Anim Reprod Sci 2000;60/61:605-14.