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The effect of GnRH on pregnancy rates in estrus-synchronized beef heifers
Ferguson, M.; Corah, L.
Injecting 100 mcg of GnRH into cycling heifers at artificial insemination following estrus synchronization with either prostaglandin or Syncro-Mate-B® did not improve first service conception rate. However, GnRH improved first service conception in Syncro-Mate-B®-treated heifers that did not exhibit estrus prior to breeding and were bred by appointment.
Conference:Cattlemen's Day, 1986, Kansas State University, Manhattan, KS, March, 1986 Starting Page:39, Ending Page:41 Publisher:Kansas State University. Agricultural Experiment Station and Cooperative Extension Service