We examine the use of economic values in the context of design and implementation of livestock improvement programs. Breeding objectives can be conceived in different ways by geneticists, economists and breeders. Thus, we discuss the development of breeding objectives when explicit economic values arc described from a pre-defined aggregate genotype, for breeding objectives with target levels for different traits, and combinations of these. Genetic improvement must evolve to guiding the design of integrated breeding programs that maximize the rate of economic improvement of livestock production and not just the accuracy of genetic evaluation.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 18. Genetics and Breeding of Sheep and Goats; Breeding objectives and Breeding strategies; Genetic Parameters, Breeding Values, , 217–223, 1994
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