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The objectives were to evaluate pregnancy per AI (P/AI) of dairy cows subjected to the 5-day timed AI protocol under various synchronization and luteolytic treatments. Cows were either presynchronized or received supplemental progesterone during the synchronization protocol, and received a double...

Ribeiro, E. S.; Bisinotto, R. S.; Favoreto, M. G.; Martins, L. T.; Cerri, R. L. A.; Silvestre, F. T.; Greco, L. F.; Thatcher, W. W.; Santos, J. E. P.
Elsevier, New York, USA
Theriogenology, 2012, 78, 2, pp 273-284