12 INITIAL GONADOTROPIN-RELEASING HORMONE TREATMENT INCREASED PREGNANCY PER TIMED INSEMINATION ONLY IN ACYCLIC BEEF HEIFERS SUBJECTED TO A 5-DAY CO-SYNCH PROTOCOL

López-Helguera, I.; Whittaker, Pamela; Behrouzi, A.; Colazo, M.G.

doi:10.1071/rdv28n2ab12

Public

12 INITIAL GONADOTROPIN-RELEASING HORMONE TREATMENT INCREASED PREGNANCY PER TIMED INSEMINATION ONLY IN ACYCLIC BEEF HEIFERS SUBJECTED TO A 5-DAY CO-SYNCH PROTOCOL

Published in Reproduction Fertility and Development • Dec 2, 2015

Authors:

I. López-Helguera

Pamela Whittaker

A. Behrouzi

Abstract

We have shown that inclusion of initial gonadotropin-releasing hormone (GnRH) in a 5-day Co-synch protocol is unnecessary to achieve acceptable pregnancy rates in dairy heifers (2011 Theriogenology 76, 578). This study determined the efficacy of a modified (without initial GnRH) 5-day Co-synch proto...

Subject

Pregnancy

Medicine

Animal science

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