Article
Genetic parameters for calving ease and survival at birth in Angus field data.
Journal of animal science - 1 Oct 1991
Cubas A C, Berger P J, Healey M H
Abstract excerpt
Calving performance records from the American Angus Herd Improvement Registry files were used to estimate variance components for calving ease and survival to 24 h. Genetic parameters for direct and maternal effects were estimated by using a sire-maternal grandsire model. Data included two indepe...
Topics
- Analysis of Variance
- Animals
- Animals, Newborn
- Breeding
- Cattle
- Female
- Genetic Variation
- Labor, Obstetric
- Male
- Pregnancy
