An animal model was applied to estimated breeding values of Belgian dairy cattle. 252,793 cows limited to their 3 first lactations were evaluated. The model includes fixed environmental effects, groups, additive genetic, permanent environment and residual effects. Genetic groups were defined for unknown parents. Groups were defined by origin, sex and year of birth. Solutions were obtained by iteration without forming the equations and using a Gauss-Seidel in sequential and in parallel using LCAP approach. The speedup was 2.99 with 4 processors indicating that 90 % of the computing time was in disconnected virtual machines considered as slaves.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XIII. Plenary lectures, molecular genetics and mapping, selection, prediction and estimation., , 386–389, 1990
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