Effect of an Ovsynch56 protocol initiated at different intervals after insemination with or without a presynchronizing injection of gonadotropin-releasing hormone on fertility in lactating dairy cows

Author:

Bruno R.G.S.,Moraes J.G.N.,Hernández-Rivera J.A.H.,Lager K.J.,Silva P.R.B.,Scanavez A.L.A.,Mendonça L.G.D.,Chebel R.C.,Bilby T.R.

Funder

Kilgore Research Center Competitive Grants Program from the West Texas A&M University

Select Sires Inc.

Publisher

American Dairy Science Association

Subject

Genetics,Animal Science and Zoology,Food Science

Reference31 articles.

1. Presynchronization with GnRH 7 days prior to resynchronization with CO-Synch did not improve pregnancy rate in lactating dairy cows;Alkar;Theriogenology,2011

2. Allison, P. D. 1999. Logistic Regression Using the SAS System: Theory and Application. SAS Institute Inc., Cary, NC.

3. Effect of gonadotropin-releasing hormone or prostaglandin F2α-based estrus synchronization programs for first or subsequent AI in lactating dairy cows;Bruno;J. Dairy Sci,2012

4. Effect of artificial insemination (AI) protocol on fertilization and embryo quality in high-producing dairy cows;Cerri;J. Dairy Sci,2005

5. Period of dominance of the ovulatory follicle influences embryo quality in lactating dairy cows;Cerri;Reproduction,2009

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