Influence of seasonality on the levels of tiobarbituric acid reactive substances in semen of Bos indicus and Bos taurus bulls raised under tropical conditions - Cortada, C. N. M; Nichi, Marcilio; Züge, Roberta Mara; Bertolla, R. P; Soler, T. B; Barnabé, Renato Campanarut; Barnabe, Valquiria Hyppólito (International Congress on Animal Reproduction, 2004)