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A sampling method for estimating the accuracy of predicted breeding values in genetic evaluation

Genetics Selection Evolution volume 33, Article number: 473 (2001) Cite this article

Abstract

A sampling-based method for estimating the accuracy of estimated breeding values using an animal model is presented. Empirical variances of true and estimated breeding values were estimated from a simulated n-sample. The method was validated using a small data set from the Parthenaise breed with the estimated coefficient of determination converging to the true values. It was applied to the French Salers data file used for the 2000 on-farm evaluation (IBOVAL) of muscle development score. A drawback of the method is its computational demand. Consequently, convergence can not be achieved in a reasonable time for very large data files. Two advantages of the method are that a) it is applicable to any model (animal, sire, multivariate, maternal effects...) and b) it supplies off-diagonal coefficients of the inverse of the mixed model equations and can therefore be the basis of connectedness studies.

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Authors and Affiliations

  1. Institut de l'élevage, Station de génétique quantitative et appliquée, Institut national de la recherche agronomique, Domaine de Vilvert, 78352, Jouy-en-Josas cedex, France

    Marie-Noëlle Fouilloux

  2. Station de génétique quantitative et appliquée, Institut national de la recherche agronomique, Domaine de Vilvert, 78352, Jouy-en-Josas cedex, France

    Denis Laloë

Authors
  1. Marie-Noëlle Fouilloux
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  2. Denis Laloë
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Correspondence to Marie-Noëlle Fouilloux.

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Fouilloux, MN., Laloë, D. A sampling method for estimating the accuracy of predicted breeding values in genetic evaluation. Genet Sel Evol 33, 473 (2001). https://doi.org/10.1186/1297-9686-33-5-473

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  • DOI: https://doi.org/10.1186/1297-9686-33-5-473

Keywords

Genetics Selection Evolution

ISSN: 1297-9686