Two experiments were conducted to evaluate sexual development in early-and late-
maturing Nelore (Bos indicus) and Canchim (3/8 Bos indicus× 5/8 Bos taurus crossbred) …

Os programas de melhoramento genético visam mudar a herança nas populações pelo
aumento dos genes desejáveis ou aumento da frequência de genótipos desejáveis com o …

Contents The objective of the present study is to follow the growth of the testes and the
pelvic genitalia in cattle bulls, using ultrasonographic examination and measurements of …

Sperm chromatin fragmentation is associated with subfertility, but its relationship with age
progression in young bulls is poorly understood. The objective was to assess sperm …

Foram utilizados 23 touros da raça Nelore entre os 10 e 20 meses de idade, para
caracterizar o desenvolvimento puberal. Os animais foram criados em condições extensivas …

The objective of the study was to characterize body growth, testicular development, and
puberty from 8 to 14 mo of age in bulls (n= 120) produced by mating sires from Hereford …

Scrotal circumference (SC) is considered a useful tool for predicting age at puberty and is
performed to improve the reproductive performance in beef cattle industry. We aimed to fit …

Objetivo: investigar la asociación entre el tamaño de la circunferencia escrotal y las
características espermáticas en 194 machos de la raza Guzerat. Métodos: los toros se …

Sexual development is associated with marked gonadal growth. Scrotal circumference (SC)
is correlated with testicular weight and is the most common endpoint evaluated to determine …

With the aim of assessing bull fertility before or during its use for reproduction under tropical
weather conditions where heat stress is present, and correlating it to herd parameters, BSE …