Article
Variances of additive and dominance genetic effects for ovulation and twinning rates in a population selected for twinning.
Journal of animal science - 1 Jun 1996
Van Vleck L D, Gregory K E
Abstract excerpt
Estimates of variances due to additive and dominance genetic effects and permanent and temporary environmental effects were obtained for ovulation and twinning rates from a composite population selected for twinning rate. Measures of ovulation rate after 11 mo of age on 2,317 heifers with a total of 19,209 measures were used. Twinning measures were on 1,522 first-parity cows, 1,311 later-parity cows with a total...
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