Usefulness of pedigree indices in predicting future transmitting abilities of sons

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Abstract
Two thousand three hundred and five bulls with complete pedigree information and proofs (ETA) in at least 1 of 10 yr for milk, fat and fat percent were used to study the reliability of genetic evaluations. No evidence was found that bulls with superior genetic evaluations failed to pass on this superiority to their sons and maternal grandsons. The assumption that all the genes controlling these quantitative traits are autosomes seems to be reasonable. Key words: Dairy cattle, genetic evaluation, bias

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