Prediction of Genetic Correlations and International Breeding Values for Missing Traits [Erratum: 2007 Nov., v. 90, no. 11, p. 5348.]
2007
Mark, T. | Fikse, W.F. | Sullivan, P.G. | VanRaden, P.M.
Prediction of genetic merit for missing traits is possible by combining available indicator traits. Indicator traits were combined using genetic correlations obtained from multiple regression equations of estimated genetic correlations among available indicator traits on variables explaining production circumstances and trait definitions. This prediction of missing traits was closer to actual breeding values than breeding values for any of the indicator traits. This was verified by evaluating clinical mastitis in each of the Nordic countries as a missing trait. The derived methodology was used to predict breeding values for clinical mastitis in the United States for local and international bulls with an average reliability of 43%.
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