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Quantitative genetic analysis for meat tenderness trait in Polled Nellore cattle Rev. Ciênc. Agron.
Castro,Letícia Mendes de; Magnabosco,Cláudio Ulhôa; Sainz,Roberto Daniel; Faria,Carina Ubirajara de; Lopes,Fernando Brito.
The aim of the present study was to analyze the interrelationships among the variables and also estimate the genetic correlations between tenderness (WBSF), growth (ILW, FLW and ADG) and carcass (BF, RF and LMA) features. Other purpose was to identify individuals who were more likely to be carriers of favorable genes for tenderness. Growth, carcass and tenderness data from 415 Polled Nellore animals was analyzed. Factor analysis and canonical correlations were used to analyze the phenotypic relationships. The covariance components and genetic parameters were estimated using Gibbs Sampling method. Lack of phenotypical correlations between the WBSF and the other traits were observed. The genetic correlations between WBSF and the other evaluated traits were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass; Shear force; Pedigree.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000200022
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