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

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 t...

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Veröffentlicht in:	Journal of animal science 2001-11, Vol.79 (11), p.2805-2811
Hauptverfasser:	Arthur, P. F, Archer, J. A, Johnston, D. J, Herd, R. M, Richardson, E. C, Parnell, P. F
Format:	Artikel
Sprache:	eng
Schlagworte:	Adipose Tissue - anatomy & histology Adipose Tissue - diagnostic imaging Age Factors Animal Feed Animal productions Animals Biological and medical sciences Body Weight - genetics Body Weight - physiology Breeding Cattle Cattle - genetics Cattle - growth & development Cattle - physiology Eating - genetics Eating - physiology Energy Intake - genetics Energy Intake - physiology Feeds Female Fundamental and applied biological sciences. Psychology Genetic Variation Genetics Genotype Male Models, Genetic Muscle, Skeletal - anatomy & histology Muscle, Skeletal - diagnostic imaging Phenotype Physical growth Terrestrial animal productions Time Factors Ultrasonography Vertebrates Weaning
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