Abstract
Forty-seven of 50 heifers were in estrus 1 to 5 days after an injection of prostaglandin given when an ear implant of Synchro-mate B was removed. The implant had been in place one week. Thirty of the 47 (63.8%) heifers with synchronized estrus conceived on first artificial insemination. Twenty untreated heifers were in estrus in 27 days; 13 (65%) conceived on first artificial insemination.
Keywords: Cattlemen's Day, 1974, Report of progress (Kansas State University. Agricultural Experiment Station), 210, Beef, Estrus, Prostaglandin, Syncro-mate B
How to Cite:
Heersche, G. J., Kiracofe, G., McKee, M., Davis, D. L. & Brower, G., (1974) “Synchronizing estrus in heifers with prostaglandin and Syncro-mate B”, Kansas Agricultural Experiment Station Research Reports 1(1), 59-60. doi: https://doi.org/10.4148/2378-5977.2778
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