Article
Effects of sire and dam on late-pregnancy conceptus and hormone traits in beef cattle.
Journal of animal science - 1 Mar 1993
Bellows R A, Staigmiller R B, Orme L E, Short R E, Knapp B W
Abstract excerpt
Forty-six primiparous F1 heifers produced from mating Brahman (B), Charolais (C), Jersey (J), Longhorn (L), or Shorthorn (S) sires to crossbred cows were bred by AI to one of two Angus sires selected to produce high (H) or moderate (M) fetal growth. Dams were slaughtered at an average of 231 d of...
Topics
- Animals
- Breeding
- Cattle
- Crosses, Genetic
- Embryonic and Fetal Development
- Female
- Fetal Heart
- Genotype
- Gonadal Steroid Hormones
- Least-Squares Analysis
- Male
- Organ Size
- Pelvis
- Pregnancy
- Testosterone