Abstract

Animal breeders are primarily interested in exploiting genetic variation in gross body size and in body composition. Now, in practice, definitions of these two broad characteristics are refined to take account of energetic efficiency in the case of body size and meat account of energetic efficiency in the case of body size and meat quality traits in the case of body composition. Efforts at practical level to include these refinements in breeding programmes has, infortunately, left some embarrassingly simple questions about body size and composition largely unanswered. May I suggest two?

J. C McCarthy

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 3, Madrid, Spain, 529–531, 1974
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