Browsing Cattlemen's Day, 1993 by Author "Houghton, P.L."

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Factors affecting pregnancy rates and calving difficulty in commercial beef heifers

Utter, S.D.; Houghton, P.L.; Corah, L.R.; Spire, M.F.; Higgins, J.J.; Butine, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)

Data from yearling Angus and Angus crossbred beef heifers from a commercial ranch were used to identify factors affecting pregnancy rates (n=342) and calving difficulty (n=295). Production data analyzed included prebreeding ...
Use of Cystorelin® and artificial insemination in repeat-breeding beef heifers after estrous synchronization

Holz, J.P.; Houghton, P.L.; Spire, M.F. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)

Gonadotropin-releasing hormone (GnRH) was administered to a group of 13- to 14- month-old Angus and Angus crossbred repeat-breeding heifers at the time of the second or third artificial insemination to determine ...

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