Effect of a Pre-Synchronization Protocol on Beef Heifer AI Pregnancy Rates

An abstract of a study by Monn et al comparing the effectiveness of a presynchronization program prior to the 5d CO-Synch+CIDR FTAI protocol is presented. The addition of the presynchronization program disrupted cyclicity in treated heifers without noticeable changes in the development of the reprod...

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Bibliographic Details
Published in:Journal of animal science 2017-01, Vol.95, p.56
Main Authors: Monn, R E, Mackey, J C, Dudley, H B, Poole, D H
Format: Article
Language:English
Subjects:
Animal breeding
Artificial insemination
Beef
Breeding of animals
Pregnancy
Protocol
Synchronism
Synchronization
Tissues
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Summary:An abstract of a study by Monn et al comparing the effectiveness of a presynchronization program prior to the 5d CO-Synch+CIDR FTAI protocol is presented. The addition of the presynchronization program disrupted cyclicity in treated heifers without noticeable changes in the development of the reproductive tissues. Based on the data, incorporating presynchronization breeding programs is not recommended for improving pregnancy success in replacement heifers.
ISSN:0021-8812
1525-3163