Effects of eCG and FSH in timed artificial insemination treatment regimens on estrous expression and pregnancy rates in primiparous and multiparous Bos indicus cows

M. P. Bottino, L.M.S. Simões, L.A.C.L. Silva, R.W. Girotto, L.A. Scandiuzzi, J.P.M. Massoneto, Pietro Sampaio Baruselli, José Camisão de Souza, J. N. S. Sales