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Article

Genetic trend and environmental effects in a population of cattle selected for twinning.

Journal of animal science - 1 Mar 1996

Van Vleck L D, Gregory K E

Abstract excerpt

A selection experiment was established in 1981 to increase twinning rate in cattle. Results reported are through 1993 calf crops. Estimates of genetic parameters for a two-trait twinning and ovulation rate model with genetic groups were as follows: heritabilities of .03 for twinning and .07 for ovulation rates with a genetic correlation of nearly 1.00 and fractional permanent environmental variances of .06 for...

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PMID: 8707705

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