Pregnancy Rates After Timed AI of Heifers Following Removal of Intravaginal Progesterone Inserts

From: Journal of Dairy Science | Date: September 1, 2004| Author: Peeler, I D; Nebel, R L; Pearson, R E; Swecker, W S; Garcia, A | Copyright information

I. D. Peeler,1 R. L. Nebel,1 R. E. Pearson,1 W. S. Swecker,2 and A. Garcia2

1 Department of Dairy Science and

2 Department of Large Animal Clinical Sciences, Virginia Polytechnic Institute and State University, Blacksburg 24061

ABSTRACT

Reproductive performance of dairy heifers was compared for each of 2 synchronization protocols: The first group of 54 heifers was synchronized using intravaginal progesterone inserts (CIDR) plus estradiol cypionate (ECP) on d 0, PGF...

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