Abstract
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.
Keywords: Cattlemen's Day, 1986, Kansas Agricultural Experiment Station contribution, no. 86-320-S, Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service), 494, Beef, GnRH, Pregnancy rates, Estrus-synchronized
How to Cite:
Ferguson, M. & Corah, L., (1986) “The effect of GnRH on pregnancy rates in estrus-synchronized beef heifers”, Kansas Agricultural Experiment Station Research Reports 1(1), 39-41. doi: https://doi.org/10.4148/2378-5977.2396
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