Effect of interval to resynchronization of ovulation on fertility of lactating Holstein cows when using transrectal ultrasonography or a pregnancy-associated glycoprotein enzyme-linked immunosorbent assay to diagnose pregnancy status

Journal of Dairy Science

Volumn 92, Issue 8, 2009, Pages 3643-3650

  Silva, E ^a   Sterry, R A ^a   Kolb, D ^b   Mathialagan, N ^c   Mcgrath, M F ^d   Ballam, J M ^d   Fricke, P M ^a  

^a UNIVERSITY OF WISCONSIN MADISON   (United States)

^b Lodi Veterinary Clinic   (United States)

^c PFIZER INC   (United States)

^d MONSANTO COMPANY   (United States)

Author keywords

Pregnancy associated glycoprotein; Resynchronization; Transrectal ultrasonography

Indexed keywords

EID: 68949206282     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2008-1704     Document Type: Article

References (22)

1. Chebel, R. C., J. E. P. Santos, J. P. Reynolds, R. L. A. Cerri, S. O. Juchem, and M. Overton. 2004. Factors affecting conception rate after artificial insemination and pregnancy loss in lactating dairy cows. Anim. Reprod. Sci. 84:239-255.
2. Fricke, P. M. 2002. Scanning the future-Ultrasonography as a reproductive management tool for dairy cattle. J. Dairy Sci. 85:1918-1926.
3. Fricke, P. M., D. Z. Caraviello, K. A. Weigel, and M. L. Welle. 2003. Fertility of dairy cows after resynchronization of ovulation at three intervals following first timed insemination. J. Dairy Sci. 86:3941-3950.
4. Galvão, K. N., J. E. P. Santos, S. O. Juchem, R. L. A. Cerri, A. C. Coscioni, and M. Villaseñor. 2004. Effect of addition of a progesterone intravaginal insert to a timed insemination protocol using estradiol cypionate on ovulation rate, pregnancy rate, and late embryonic loss in lactating dairy cows. J. Anim. Sci. 82:3508-3517.
5. Galvão, K. N., M. F. Sá Filho, and J. E. P. Santos. 2007. Reducing the interval from presynchrronization to initiation of timed artificial insemination improves fertility in dairy cows. J. Dairy Sci. 90:4212-4218.
6. Green, J. A., T. E. Parks, M. P. Avalle, B. P. Telugu, A. L. McLain, A. J. Peterson, W. McMillan, N. Mathialagan, R. R. Hook, S. Xie, and R. M. Roberts. 2005. The establishment of an ELISA for the detection of pregnancy-associated glycoproteins (PAGs) in the serum of pregnant cows and heifers. Theriogenology 63:1481-1503.
7. Harlow, E., and D. Lane. 1998. Immunoassays. Pages 553-612 in Antibodies: A Laboratory Manual. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY.
8. Moreira, F., R. L. de la Sota, T. Diaz, and W. W. Thatcher. 2000. Effect of day of estrous cycle at the initiation of a timed artificial insemination protocol on reproductive responses in dairy heifers. J. Anim. Sci. 78:1568-1576.
9. Moreira, F., C. Orlandi, C. A. Risco, R. Mattos, F. Lopes, and W. W. Thatcher. 2001. Effect of presynchronization and bovine heifers after synchronization of ovulation and timed AI or AI after removed tail chalk. J. Dairy Sci. 87:2051-2061.
10. Santos, J. E. P., W. W. Thatcher, R. C. Chebel, R. L. A. Cerri, and K. N. Galvão. 2004. The effect of embryonic death rates in cattle on the efficacy of estrus synchronization programs. Anim. Reprod. Sci. 82-83:513-535.
11. Santos, J. E., W. W. Thatcher, L. Pool, and M. W. Overton. 2001. Effect of human chorionic gonadotropin on luteal function and reproductive performance of high-producing lactating Holstein dairy cows. J. Anim. Sci. 79:2881-2894.
12. SAS Institute. 2004. SAS Online Document 9.13. SAS Inst. Inc., Cary, NC.
13. Sasser, R. G., C. A. Ruder, K. A. Ivani, J. E. Butler, and W. C. Hamilton. 1986. Detection of pregnancy by radioimmunoassay of a novel pregnancy-specific protein in serum of cows and a profile of serum concentrations during gestation. Biol. Reprod. 35:936-942.
14. Silva, E., R. A. Sterry, D. Kolb, N. Mathialagan, M. F. McGrath, J. M. Ballam, and P. M. Fricke. 2007a. Accuracy of a pregnancy-associated glycoprotein ELISA to determine pregnancy status of lactating dairy cows twenty-seven days after timed artificial insemination. J. Dairy Sci. 90:4612-4622.
15. 2α before resynchronization of ovulation on fertility of lactating Holstein cows. J. Dairy Sci. 90:5509-5517.
16. Sterry, R. A., E. Silva, D. Kolb, and P. M. Fricke. 2009. Strategic treatment of anovular dairy cows with GnRH. Theriogenology 71:534-542.
17. Sterry, R. A., M. L. Welle, and P. M. Fricke. 2006. Effect of interval from timed AI to initiation of resynchronization of ovulation on fertility of lactating dairy cows. J. Dairy Sci. 89:2099-2109.
18. Stevenson, J. S., J. R. Pursley, P. M. Fricke, H. A. Garverick, D. J. Kesler, J. S. Ottobre, and M. C. Wiltbank. 2006. Treatment of cycling and noncycling lactating dairy cows with progesterone during Ovsynch. J. Dairy Sci. 89:2567-2578.
19. Szenci, O., G. Gyulai, P. Nagy, and L. Kovács, JVarga, and M. A. M. Taverne. 1995. Effect of uterus position relative to the pelvic inlet on the accuracy of early bovine pregnancy diagnosis by means of ultrasonography. Vet. Q. 17:37-39.
20. Vasconcelos, J. L. M., R. W. Silcox, G. J. M. Rosa, J. R. Pursley, and M. C. Wiltbank. 1999. Synchronization rate, size of ovulatory follicle, and pregnancy rate after synchronization of ovulation beginning on different days of the estrous cycle in lactating dairy cows. Theriogenology 52:1067-1078.
21. Wildman, E. E., G. M. Jones, P. E. Wagner, R. L. Boman, H. F. Troutt, and T. N. Lesch. 1982. A dairy cow body condition scoring system and its relationship to selected production characteristics. J. Dairy Sci. 65:495-501.
22. Zoli, A. P., L. A. Guilbault, P. Delahaut, W. B. Ortiz, and J. Beckers. 1992. Radioimmunoassay of a bovine pregnancy-associated glycoprotein in serum: Its application for pregnancy diagnosis. Biol. Reprod. 46:83-92.