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Sexual development and pubertal traits were studied in Holstein Friesian (Ho) and Brown Swiss (BS) bulls born and maintained under tropical conditions. Characteristics evaluated every 2 weeks, from 27 to 63 weeks of age, included live weight, scrotal circumference, testicular diameter, semen...

Jiménez-Severiano, H.
Elsevier Science Inc., New York, USA
Theriogenology, 2002, 58, 5, pp 921-932