Genetic and environmental parameters for ovulation rate, twinning rate, and weight traits in a cattle population selected for twinning.

doi:10.2527/1997.7551213x

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Article

Genetic and environmental parameters for ovulation rate, twinning rate, and weight traits in a cattle population selected for twinning.

Journal of animal science - 1 May 1997

Gregory K E, Bennett G L, Van Vleck L D, Echternkamp S E, Cundiff L V

Abstract excerpt

A project was implemented in 1981 with the objective of increasing twinning rate in cattle. Daughters of foundation sires had twin calves at a frequency of from 8 to 13%, and foundation females had twin calves at an average frequency of 50%. Data were analyzed on twinning rate, ovulation rate, an...

Topics

Animals
Body Weight
Cattle
Environment
Estrus
Female
Male
Ovulation
Phenotype
Pregnancy
Pregnancy Rate
Scrotum
Twins

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