University of California

Callipyge meat a tough sell


Roberto D. Sainz

Author Affiliations

R.D. Sainz is Associate Professor, Department of Animal Science, UC Davis.

Publication Information

Hilgardia 55(6):23-23. DOI:10.3733/ca.v055n06p23. November 2001.

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In 1983, a sheep breeder in Oklahoma noticed a ram with exceptional muscling, especially in the hindquarters. This ram, Solid Gold, was mated to normal ewes, and the condition was passed on to their offspring. Eventually the extra muscling was found to be due to a spontaneous mutation, a natural change in the animal's genetic code. Because the muscle hypertrophy (enlargement) is most pronounced in the hindquarters, the condition was named callipygea Greek word meaning "beautiful buttocks." Needless to say, sheep breeders were immediately interested in the meat production potential of lambs carrying the callipyge gene.

Sainz R. 2001. Callipyge meat a tough sell. Hilgardia 55(6):23-23. DOI:10.3733/ca.v055n06p23
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