Choosing the right estrus synchronization protocol can be a daunting task for producers, said Sandy Johnson, Kansas State University Extension livestock specialist, speaking during the Robert E.
We collected blood samples from purebred Angus heifers (n = 12), averaging 14 months in age, at the time of their first artificial insemination (AI) service. Heifers were subjected to a 7-Day Co-Synch ...
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