Genetic and phenotypic variance and covariance components for feed intake, feed efficiency, and other postweaning traits in Angus cattle.

doi:10.2527/2001.79112805x

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Article

Genetic and phenotypic variance and covariance components for feed intake, feed efficiency, and other postweaning traits in Angus cattle.

Journal of animal science - 1 Nov 2001

Arthur P F, Archer J A, Johnston D J, Herd R M, Richardson E C, Parnell P F

Abstract excerpt

Records on 1,180 young Angus bulls and heifers involved in performance tests were used to estimate genetic and phenotypic parameters for feed intake, feed efficiency, and other postweaning traits. The mean age was 268 d at the start of the performance test, which comprised 21-d adjustment and 70-d test periods. Traits studied included 200-d weight, 400-d weight, scrotal circumference, ultrasonic measurements of...

Topics

Adipose Tissue
Age Factors
Animal Feed
Animals
Body Weight
Breeding
Cattle
Eating
Energy Intake
Female
Genetic Variation
Genotype
Male
Models, Genetic
Muscle, Skeletal
Phenotype
Time Factors
Ultrasonography

Source

Open in PubMed

Identifiers

PMID: 11768108
DOI: 10.2527/2001.79112805x

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