Administration of a GnRH analog on day 9 of a 14-day controlled internal drug release insert with timed artificial insemination in lactating beef cows1

Author:

Giles R. L.1,Ahola J. K.1,Whittier J. C.1,French J. T.1,Repenning P. E.1,Kruse S. G.2,Seidel G. E.3,Peel R. K.1

Affiliation:

1. Department of Animal Sciences, Colorado State University, Fort Collins 80523

2. Department of Animal Sciences, University of Minnesota, Grand Rapids 55744

3. Department of Biomedical Sciences, Colorado State University, Fort Collins 80523

Publisher

Oxford University Press (OUP)

Subject

Genetics,Animal Science and Zoology,General Medicine,Food Science

Reference27 articles.

1. Beef Reproduction Task Force 2012. Estrus synchronization protocols for heifers and cows.http://beefrepro.unl.edu/resources.html. (Accessed 29 March 2013.)

2. Determination of the appropriate delivery of postglandin F2α in the 5-day CO-Synch + controlled intravaginal drug release protocol in suckled beef cows;Bridges;J. Anim. Sci.,2012

3. Decreasing the interval between GnRH and PGF2α from 7 to 5 days and lengthening proestrus increases timed-AI pregnancy rates in beef cows;Bridges;Theriogenology,2008

4. Concentration of progesterone (P4) in circulation has a differential effect on biochemical characteristics of dominant follicles in cows;Cupp;J. Anim. Sci..,1993

5. Ovarian and estrous response of suckled beef cows to the Select Synch estrous synchronization protocol;Geary;Prof. Anim. Sci.,2000

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