Supplemental progestin increases pregnancy rates in suckled beef cows
Date
2010-08-23T19:03:09Z
Journal Title
Journal ISSN
Volume Title
Publisher
Kansas State University. Agricultural Experiment Station and Cooperative Extension Service
Abstract
In two experiments, combining a source of progestin with the ovulation synchronization protocol using gonadotropin-releasing hormone plus prostaglandin F2a (GnRH + PGF2a) tended to increase or statistically increase pregnancy rates in suckled cows compared to GnRH + PGF2a alone. These improvements were accomplished without any detected estrus when cows were inseminated and received a second injection of GnRH at 48 hr after PGF2a.
Description
Keywords
Beef, Cows, AI, Estrus-Ovulation synchronization, GnRH, PGF2a, Progestin
