Pregnancy per artificial insemination in lactating dairy cows subjected to 2 different intervals from presynchronization to initiation of Ovsynch protocol

Author:

Colazo M.G.,Ponce-Barajas P.,Ambrose D.J.

Funder

Alberta Agriculture and Rural Development

Agriculture and Food Council of Alberta

Alberta Innovates–Bio Solutions

Publisher

American Dairy Science Association

Subject

Genetics,Animal Science and Zoology,Food Science

Reference22 articles.

1. Optimizing ovulation to first GnRH improved outcomes to each hormonal injection of Ovsynch in lactating dairy cows;Bello;J. Dairy Sci,2006

2. Canadian Council on Animal Care. 1993. Guide to the care and use of experimental animals. Vol. 1, 2nd ed. Canadian Council on Animal Care, Ottawa, ON. Accessed Jan. 27, 2013. http://www.ccac.ca/Documents/Standards/Guidelines/Experimental_Animals_Vol1.pdf

3. Reproduction in dairy cows following progesterone insert presynchronization and resynchronization protocols;Chebel;J. Dairy Sci,2006

4. Practical uses for transrectal ultrasonography in reproductive management of cattle;Colazo,2010

5. Progesterone supplementation before timed AI increased ovulation synchrony and pregnancy per AI, and supplementation after timed AI reduced pregnancy losses in lactating dairy cows;Colazo;Theriogenology,2013

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