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Minimum effect of crossbreeding


, : Minimum effect of crossbreeding. Archiv fuer Tierzucht 33(2): 181-190

A population was subdivided, the subpopulations being selected for single traits. With the help of a simple population genetic model a comparison was made between a population under index selection and the crossbred progeny of two subpopulations under single trait selection. As a result, a difference was found in their genetic progress towards the overall breeding target, which is defined as minimum crossbreeding effect. Formulas are derived to calculate this minimum crossbreeding effect. The approach is illustrated by a simple numerical example.

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