Conception rates of beef heifers treated with GnRH analog at the time of estrus or at the time of artificial insemination

L.R. Corah; W.E. Beal; M.F. Spire; Jeffrey S. Stevenson

doi:10.4148/2378-5977.2277

report

Conception rates of beef heifers treated with GnRH analog at the time of estrus or at the time of artificial insemination

Authors

- L.R. Corah
- W.E. Beal
- M.F. Spire
- Jeffrey S. Stevenson

Abstract

Injecting a GnRH-analog at the time of estrus or at insemination did not generally improve conception rates in heifers inseminated following a synchronized estrus. However, within some herds. a significant positive response was noted.

Keywords: Cattlemen's Day, 1989, Kansas Agricultural Experiment Station contribution, no. 89-567-S, Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service), 567, Beef, Conception rates, GnRH, Estrus, Artificial insemination

How to Cite: Corah, L. , Beal, W. , Spire, M. & Stevenson, J. S. (1989) “Conception rates of beef heifers treated with GnRH analog at the time of estrus or at the time of artificial insemination”, Kansas Agricultural Experiment Station Research Reports. 1(1). doi: https://doi.org/10.4148/2378-5977.2277