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Editing and modeling of milk production data for genetic evaluation of Murrah buffaloes PAB
Souza,Andréa Carolina Santos de; Rezende,Marcos Paulo Gonçalves de; Carneiro,Paulo Luiz Souza; Campos,Bárbara Machado; Malhado,Carlos Henrique Mendes.
Abstract: The objective of this work was to assess the effect of editing and modeling of milk production data for genetic evaluation of Murrah buffaloes. Six strategies for evaluating milk production were analyzed: observed milk production (OMP); adjustment of milk production data to 305 (MP305) and 270 (MP270) days of lactation; removal of the 5 (MP5%) and 10% (MP10%) shortest lactation periods; and milk production along the lactation period as linear covariate (MPCO). Genetic parameters were estimated using the Bayesian inference, with heritability estimates of 0.19 to 0.23 and repeatability estimates of 0.35 to 0.36. Sires classified by OMP were high correlated to those classified by the other models, however, correlations to MP270, MP305 and MPCO...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bubalus bubalis; Lactation period; Genetic parameters; Bull summary.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017001201261
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