Variance components are essential for designing breeding schemes and for accurate estimation of breeding values. They differ from one population to another and, thus, have to be estimated from data of the population for which they are used. No recent estimates were available for the Swiss Braunvieh population where extensive crossbreeding with American Brown Swiss has been practiced. The purpose of this Paper is (1) to obtain estimates of variance components to be used routinely for sire and cow evaluation, (2) to investigate differences in variation between the pure Braunvieh and the crossbred populations, and (3) to compare different methods of estimation.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 8. Symposia (2), , 63–68, 1982
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