A comprehensive bioeconomic objective for the U. S. swine industry is presented. The objective was developed to facilitate the calculation of selection indexes which are easily interpreted by private breeders and directly reflect the economic value of an animal's breeding value. The economic function describes the costs of production and income for a farrow to finish swine production system in terms of biologic traits for which breeding values may be predicted. The function is flexible to facilitate description of different production facilities and managerial systems. The application of the bioeconomic function to development of selection indexes is demonstrated using the genetic parameters and economic values of STAGES (Swine Testing and Genetic Evaluation System).

T. S Stewart, D. L Harris, A. P Schinckel, D. L Lofgren

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume X. Breeding programs for swine, poultry, and fish., , 87–92, 1986
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