Ovsynch versus Ultrasynch
A Clinical Trial of Breeding Efficiency Utilizing Corpus Luteum Function
Keywords:reproductive efficiency, dairy cattle, synchronization, pregnancy rate, hormone treatment, ultrasynch, ovsynch, corpus luteum
The steady decrease in reproductive efficiency of dairy cattle and increase in use of synchronization protocols have generated interest in development of a synchronization program that improves pregnancy rate while decreasing the number of hormone treatments. The purpose of this study was to determine if the reproductive efficacy of a synchronization program, ultrasynch, based on functionality of the corpus luteum (CL), was greater than a standard ovsynch protocol.