2012
DOI: 10.5424/sjar/2012101-477-11
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Genetic variability underlying maternal traits of Asturiana de la Montaña beef cattle

Abstract: Genetic variability parameters of traits related to maternal ability (age at first calving-CA1, first calving interval-CI1, and weaning weight-WW) were estimated in an autochthonous beef cattle breed (Asturiana de la Montaña) reared under harsh conditions. The data set comprised 50,749 births on 378 farms from 1994 to 2008. Heritability for CA1 was moderately high (0.22); heritability for CI1 was 0.10. Genetic correlation between these traits was 0.54, and thus favourable to simultaneously selection. Results f… Show more

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“…Maternal effects (and direct‐maternal covariance) are increasingly important in genetic improvement in these breeds; for example, Baro et al . () or Gutiérrez et al . () carried out studies based on the genetic parameters of maternal traits in hardy breeds like Asturiana de la Montaña and Asturiana de los Valles respectively, assuming that the traits in different calvings are manifestations of the same characteristic.…”
Section: Introductionmentioning
confidence: 98%
“…Maternal effects (and direct‐maternal covariance) are increasingly important in genetic improvement in these breeds; for example, Baro et al . () or Gutiérrez et al . () carried out studies based on the genetic parameters of maternal traits in hardy breeds like Asturiana de la Montaña and Asturiana de los Valles respectively, assuming that the traits in different calvings are manifestations of the same characteristic.…”
Section: Introductionmentioning
confidence: 98%