Evaluation of two formulations of progesterone in HeatSynch protocols in lactating Holstein cows in a pasture-based system.
Marcelo Martínez-Barbitta, Jose Fernando Gil, Gisele Maria Tonin da Costa, Illova Anaya Nasiane Pombo, J. Peñagaricano, Mañane Lutz, A. Freire, D. Cavestany
Abstract