Ovulation rate after GnRH or PGF2α administration in early postpartum dairy cows

Theriogenology

Volumn 60, Issue 2, 2003, Pages 341-348

  Gümen, Ahmet ^a,b   Seguin, Brad ^a  

^a UNIVERSITY OF MINNESOTA   (United States)

^b UNIVERSITY OF WISCONSIN MADISON   (United States)

Author keywords

Dairy cows; GnRH; Ovulation; PGF2 ; Postpartum

Indexed keywords

EID: 0037599333     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(02)01372-9     Document Type: Article

References (25)

1. Ferguson JD. Diet, production and reproduction in dairy cows. Anim Feed Sci Tech 1996;59:173-84.
2. Opsomer G, Coryn M, Deluyker H, de Kruif A. An analysis of ovarian dysfunction in high yielding dairy cows after calving based on progesterone profiles. Reprod Dom Anim 1998;33:193-204.
3. Britt JH, Kittok R, Harrison DS. Ovulation, estrus and endocrine response after GnRH in early postpartnum cows. J Anim Sci 1974;39:915-9.
4. Nash JG, Ball L, Olson JD. Effects on reproductive performance of administration of GnRH to early postpartum dairy cows. J Anim Sci 1980;50:1017-21.
5. Britt JH, Harrison DS, Morrow DA. Frequency of ovarian follicular cysts, reasons for culling and fertility in Holstein-Friesian cows given gonadotropin-releasing hormone at 2 weeks after parturition. Am J Vet Res 1977;38:749-51.
6. Kesler DJ, Garverick HA, Youngquist RS, Elmore RG, Bierschwal CJ. Effect of days postpartum and endogenous reproductive hormones on GnRH-induced LH release in dairy cows. J Anim Sci 1977;46:797-803.
7. Etherington WG, Bosu WTK, Martin SW, Cote JF, Doig PA, Leslie KE. Reproductive performance in dairy cows following postpartum treatment with gonadotropin releasing hormone and/or prostaglandin: a field trial. Can J Comp Med 1984;48:245-50.
8. Etherington WG, Martin SW, Dohoo IR, Bosu WTK. Interrelationships between postpartum events, hormonal therapy, reproductive abnormalities and reproductive performance in dairy cows: a path analysis. Can J Comp Med 1985;49:261-7.
9. Seguin BE, Tate DJ, Otterby DE. Use of cloprostenol in a reproductive management system for dairy cattle. J Am Vet Med Assoc 1983;183:533-7.
10. Etherington WG, Kelton DF, Adams JE. Reproductive performance of dairy cows following treatment with fenprostalene, dinoprost, or cloprostenol between 24 and 31 days postpartum: a field trial. Theriogenology 1994;42:739-52.
11. 2α on subsequent fertility in the dairy cow. Theriogenology 1989;31:565-70.
12. 2α THAM. Vet Rec 1984;115:429-31.
13. Young IM, Anderson DB. Improved reproductive performance from dairy cows treated with dinoprost tromethamine soon after calving. Theriogenology 1986;26:199-208.
14. Amstrong JD, O'Gorman J, Roche JF. Effects of prostaglandin on the reproductive performance of dairy cows. Vet Rec 1989;125:597-600.
15. 2α-tham on day 14 postpartum. Zuchthygiene 1989;24:201-6.
16. Glansvill SF, Dobson H. Effect of prostaglandin treatment on the fertility of problem cows. Vet Rec 1991;128:374-6.
17. Morton JM, Allen JD, Harris DJ, Miller GT. Failure of a single postpartum prostaglandin treatment to improve the reproductive performance of dairy cows. Aust Vet J 1992;69:158-60.
18. Niswender GD, Reichert LE, Midgley AR, Nalbandov AV. Radioimmunoassay for bovine and ovine luteinizing hormone. Endocrinology 1969;84:1166-73.
19. SAS® User's Guide: Statistics. 1998. SAS Institute, Inc., Cary, NC.
20. Sartori R, Fricke PM, Ferreira JCP, Ginther OJ, Wiltbank MC. Follicular deviation and acquisition of ovulatory capacity in bovine follicles. Biol Reprod 2001;65:1403-9.
21. Kesler DJ, Garverick HA, Youngquist RS, Elmore RG, Bierschwal CJ. Ovarian and endocrine responses and reproductive performance following GnRH treatment in early postpartum dairy cows. Theriogenology 1978;9:363-9.
22. Fernandes LC, Thatcher WW, Wilcox CJ, Call EP. LH release in response to GnRH during the postpartum period of dairy cows. J Anim Sci 1978;46:443-8.
23. Labib F, El-Azab MA, Sharawy SM. Effect of administration of Gonadotropin-releasing hormone (Gn-RH) during early postpartum period on reproductive performance of dairy cows. Assiut Vet J 1988;20:156-61.
24. Zailed AA, Garverick HA, Bierschwal CJ, Elmore RG, Youngquist RS, Sharp AJ. Effect of ovarian activity and endogenous reproductive hormones on GnRH induced ovarian cycles in postpartum dairy cows. J Anim Sci 1980;50:508-13.
25. Butler WR, Smith RD. Interrelationships between energy batance and postpartum reproductive function in dairy cattle. J Dairy Sci 1989;72:767-83.