Sheep Symposium: The Callipyge Phenomenon: Challenges and Opportunities: The Callipyge Phenomenon: Evidence For Unusual Genetic Inheritance

摘要

In 1983, a male lamb exhibiting a pronounced muscular hypertrophy, particularly notice- able in the hind quarters, was born into a commercial Dorset flock in Oklahoma. The ram was premonitorily Called Solid Gold. He subsequently produced off spring Expressing the unusual phenotype, which is referred To as callipyge (Greek: calli- beautiful + -pyge buttocks). Animals demonstrating the callipyge phenotype are all descendants of this founder ram. These animals produce leaner, higher yielding car- Casses, but there is some concern with decreased Tenderness of the loin.