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A protocol for presynchronization of ovarian status with 2 injections of PGF given 14 d apart, with the last PGF injection given 12 or 14 d before Ovsynch increases pregnancy per artificial insemination (P/AI) in dairy cows. We determined the efficacy of reducing the interval from the last PGF...

Colazo, M. G.; Ponce-Barajas, P.; Ambrose, D. J.
Elsevier Inc., Philadelphia, USA
Journal of Dairy Science, 2013, 96, 12, pp 7640-7648