@article{articlec2962e82,
title   = {Seasonal variation in semen quality in Bos indicus and Bos taurus bulls raised under tropical conditions},
author = {Nichi, Marcilio and Bols, P. E. J and Züge, Roberta Mara and Barnabe, Valquiria Hyppólito and Goovaerts, I. G. F and Barnabé, Renato Campanarut and Cortada, Carmen Neusa Martins},
year = {2006},
doi = {10.1016/j.theriogenology.2006.01.056},
journal   = {Theriogenology}
}