The procedures to be followed and some of the problems which arise in defining breeding objectives are discussed. Special emphasis is given to attempts to reconcile con flicts between differen t bases of evaluation, and it is concluded that from a long-term viewpoint, efficien cy should be the goal of the breeder, where efficien cy is measured as the ratio of the value of a ll inputs to the value of a ll outputs. In the shorter term, or where a r tific ia l distortions of markets occur, other objectives may be preferred. Goals should be clearly distinguished from selection criteria , and this w ill be more lik ely to be achieved i f careful attention is given to the level of analysis which is employed.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume IX. Breeding programs for dairy and beef cattle, water buffalo, sheep, and goats., , 470–478, 1986
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