Article
Genetic evaluation of body weight of lactating Holstein heifers using body measurements and conformation traits.
Journal of dairy science - 1 Jun 1998
Koenen E P, Groen A F
Abstract excerpt
Genetic and phenotypic parameters of body weight (BW), hip height, heart girth, and linear conformation traits were estimated from field data for 7344 lactating Holstein heifers from 560 herds. Mean BW was around 540 kg at calving, decreased to a minimum of 514 kg by wk 6, and increased to > 590...
Topics
- Animals
- Biometry
- Body Weight
- Cattle
- Female
- Heart
- Hip
- Lactation
- Phenotype
- Pregnancy
