Seminal enzimatic antioxidant protection of Nelore (Bos indicus) and Simental (Bos taurus) bulls raised under tropical conditions - Nichi, Marcilio; Züge, Roberta Mara; Bertolla, R. P; Soler, T. B; Barnabe, Valquiria Hyppólito; Barnabé, Renato Campanarut; Cortada, C. N. M (International Congress on Animal Reproduction, 2004)