Abstract:Despite the economic importance of sexual precocity for beef cattle production systems, in heifers, this indicator is commonly assessed indirectly using the scrotal circumference or with age at first calving (AFCa), which can delay the identification of precocious females. The study aimed to investigate the genetic parameters for age at first conception (AFCo), AFCa, and their relationship with growth and carcass traits, to verify the possibility of using AFCo as selection criteria for the genetic improvement … Show more
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