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Genetic and environmental effects on scores of conformation, precocity and muscling in long yearling Nellore cattle
(2015-01-01)
The visual scores for conformation (C), precocity (P) and muscle (M) are used to indirectly assess traits related to termination and carcass composition. This study analyzes how age of dam at calving (AC), long yearling ...
Genetic parameters and environmental effects on temperament score and reproductive traits of Nellore cattle
(Cambridge University Press, 2012-01-01)
Animal temperament is a trait of economic relevance and its use as a selection criterion requires the identification of environmental factors that influence this trait, as well as the estimation of its genetic variability ...
Genetic parameters and environmental effects on temperament score and reproductive traits of Nellore cattle
(Cambridge University Press, 2012-01-01)
Animal temperament is a trait of economic relevance and its use as a selection criterion requires the identification of environmental factors that influence this trait, as well as the estimation of its genetic variability ...
Genotype × environment interaction for age at first calving, scrotal circumference, and yearling weight in Nellore cattle using reaction norms in multitrait random regression models
(2015-04-01)
The aim of this study was to evaluate the effect of genotype × environment interaction (G×E) on age at first calving (AFC), scrotal circumference (SC), and yearling weight (YW) and to estimate genetic correlations between ...
Genotype x environment interaction for age at first calving, scrotal circumference, and yearling weight in Nellore cattle using reaction norms in multitrait random regression models
(Amer Soc Animal Science, 2015-04-01)
The aim of this study was to evaluate the effect of genotype x environment interaction (GxE) on age at first calving (AFC), scrotal circumference (SC), and yearling weight (YW) and to estimate genetic correlations between ...
Genetic parameters and environmental effects on temperament score and reproductive traits of Nellore cattle
(Cambridge University Press, 2014)
Efeitos ambientais e genéticos sobre escores visuais e ganho em peso ao sobreano de bovinos brangus
(2013-03-28)
This research aimed at studying the effects of age of the cow at calving (IVP), age of the animal at yearling (IDS), the direct additive genetic (AD) and maternal (AM) effects and individual heterozygosity (HI) on visual ...
Efeitos ambientais e genéticos sobre escores visuais e ganho em peso ao sobreano de bovinos brangus
(2013-03-28)
This research aimed at studying the effects of age of the cow at calving (IVP), age of the animal at yearling (IDS), the direct additive genetic (AD) and maternal (AM) effects and individual heterozygosity (HI) on visual ...
Evaluation of productivity of sexually precocious Nelore heifers
(Cambridge Univ Press, 2015-06-01)
The objectives of the present study were to investigate the influence of yearling weight on the occurrence of early pregnancy and to determine differences between precocious and non-precocious heifers in terms of pre- and ...
Avaliação de Características de Crescimento Pós-Desmama de Animais Nelore Puros e Cruzados no Estado do Mato Grosso do Sul
(1999-07-01)
With the objetive to compare the genetic group performances for growth traits, data on 2888 yearling weight (YW) and average daily gain from weaning to yearling (AGY) and 1909 long yearling weight (LYW) and average daily ...