A theoretical model to predict effects of long-term selection for one trait on population mean, heritability and distribution of breeding value was developed. The model was extended to predict the effect of long-term selection on genetic correlation and further extended to predict the effects of long-term index selection. For the generalization of this theory, some special assumptions used in this study to simplify the problem have to be deleted in future.

A. Nishida, T Abe

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XII. Biotechnology, selection experiments, parameter estimation, design of breeding systems, management of genetic resources., , 199–204, 1986
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