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Effectiveness Of A Presynchronization Program Implemented On A Modern Dairy Facility, R. (Robert) E. Thommen
Effectiveness Of A Presynchronization Program Implemented On A Modern Dairy Facility, R. (Robert) E. Thommen
Dairy Science
The objective of this study was to determine the success of a presynchronization program implemented on a modern dairy facility. The study was conducted on a 1,400 cow dairy in the central valley of California. 86 cows were involved in the study during the summer months of June through September. Cows were either assigned in the synchronization program or placed in a control group based on the last digit of their identification. At 43 DIM, presync cows were injected with their first treatment of the synchronization program. Estrous cycles of the presync group were manipulated with treatments of Prostaglandin and …