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Modern needs for different genetic types


, : Modern needs for different genetic types. Cattle genetic resources: 21-49

This chapter briefly discusses the effects of environment on performance in cattle, and then considers the following: (1) genotype-environment interaction in beef and dairy cattle, (2) the role of buffaloes in animal production and comparative performance of cattle vs. buffaloes, (3) genetic variation in resistance to disease and parasites in cattle, (4) the role of crossbreeding of cattle in tropical and temperate regions, and (5) genetic differences in the composition of milk and meat from cattle. The theoretical aspects of population size in relation to vulnerability of populations to extinction are also briefly discussed.

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