Bishop, G.L.; Brethour, J.R.; Marston, T.T.; Lawrence, T.E.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
Sixty-eight, spring-born, yearling heifers
were raised, estrous synchronized, artificially inseminated once, and then finished at the Kansas State University Western Kansas Agricultural Research Center at Hays to determine ...