Anti-mullerian hormone concentration and antral ovarian follicle population in Murrah heifers compared to Holstein and Gyr kept under the same management - Baldrighi, J. M; Sá Filho, Manoel Francisco de; Batista, Emiliana de Oliveira Santana; Lopes, R. N. V. R; Visintin, Jose Antonio; Baruselli, Pietro Sampaio; Assumpção, Mayra Elena Ortiz D'Ávila (Reproduction in Domestic Animals, 2014)