Synchronization of ovulation and conception rates in Holstein heifers given an intravaginal progesterone-releasing device (CIDR), and estradiol cypionate, porcine LH or gonadotropin releasing hormone

Archiv fur Tierzucht

Volumn 44, Issue SUPPL. 1, 2001, Pages 77-79

  Ambrose, Divakar J ^a,d   Rajamahendran, Raja ^b   Kastelic, John P ^c   Small, Julie A ^c  

^a ALBERTA AGRICULTURE AND RURAL DEVELOPMENT   (Canada)

^b UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^c AGRICULTURE AND AGRI FOOD CANADA   (Canada)

^d NONE   (Canada)

Author keywords

ECP; GnRH; LH; Ovulation; Synchronization; Timed insemination

Indexed keywords

EID: 0035610636     PISSN: 00039438     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (5)

1. LOPES, F.L.; ARNOLD, D.R.; WILLIAMS, J.; PANCARCI, S.M.; THATCHER, M-J.; DROST, M.; THATCHER, W.W.: Use of estradiol cypionate for timed insemination. J. Dairy Sci. 83 Suppl. 1 (2000), 216
2. 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
3. PURSLEY, J.R.; WILTBANK, M.C.; STEVENSON, J.S.; OTTOBRE, J.S.; GARVERICK, H.A.; ANDERSON, L.L.: Pregnancy rates per artificial insemination for cows and heifers inseminated at a synchronized ovulation or synchronized estrus. J. Dairy Sci. 80 (1997a), 295-300
4. SCHMITT, E.J.P.; DIAZ, T.; DROST, M.; THATCHER, W.W.: Use of a gonadotropin-releasing hormone agonist or human chorionic gonadotropin for timed insemination in cattle. J. Anim. Sci. 74 (1996), 1084-1091
5. VYNCKIER, L.; DEBACKERE, M.; DE KRUIF, A.; CORYN, M.: Plasma estradiol-17 concentrations in the cow during induced estrus and after injection of estradiol-17 benzoate and estradiol-17 cypionate-a preliminary study. J. Vet. Pharmacol. Therap. 13 (1990), 36-42