The Covariance Structure of Residual Effects in a Reduced Animal Model for Marker-Assisted Selection

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  • マーカー依存型選抜のための縮約個体モデルにおける残差効果の共分散構造
  • Covariance Structure of Residual Effect

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Abstract

For a reduced animal model (RAM) for marker-assisted selection using best linear unbiased prediction, the appropriate structure of covariance matrix of the segregation residual effects is derived for the situation where paternal or maternal origin of marker alleles can not be determined. A RAM approach is then described, in which the covariance structure is taken into account. Formulae for backsolving for non-parent animals are presented. A small numerical example is also given to illustrate the current RAM approach.

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