Results from three generations of selection for lean tissue growth rate (LTGR) on two protein diets, high (HP), and low (LP), are presented. Heritabilities for LTGR, lean percentage and growth rate were estimated and correlations between them were calculated. HP pigs had higher LTGR, grew faster and were leaner than LP pigs. Genetic estimates and phenotypic trends differed considerably between lines.

S. Stern, L. Rydhmer, K. Johansson, K. Andersson

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XV. Beef cattle, sheep and pig genetics and breeding, fibre, fur and meat quality., , 450–453, 1990
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