Simple method to incorporate univariate Interbeef evaluations for weaning weight into national multi-variate models
Keywords:Interbeef, Multi-trait, Mixed Model, Blending
Interbeef evaluations for weaning weight ( WWT) is based on a single trait model while the UK fits a multi-trait model with 9 other traits. The lack of correlated traits in Interbeef evaluations for WWT implies these could be less accurate. The paper presents a mixed method approach to incorporate contributions from the correlated traits into Interbeef evaluations without double counting. An approach to incorporate the correlated information for foreign animals and that accumulates increases in accuracy in WWT resulting from Interbeef evaluation and that from correlated traits at the national level is also presented.
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