1955•Journal of Animal ScienceRequires access

Genetic and Environmental Relationships among Economic Characters in Beef Cattle. II. Correlations between Offspring and Dam and Offspring and Sire

R. M. Koch, R. T. Clark

Abstract

Records on 4234 dam-offspring pairs and on 85 sire-offspring groups were used in estimating the correlations among characters and the correlations between parent and offspring for various economic traits in beef cattle. Heritability estimates calculated from the regression of offspring on dam and progeny average on sire were .44 and .35 for birth weight, .11 and .25 for weaning weight, .07 and .17 for gain from birth to weaning, .16 and .15 for weaning score, .43 (offspring-dam) for fall yearling weight, .18 for gain from weaning to fall yearling age, and .14 for fall yearling score.

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Key concepts: Offspring, Sire, Weaning, Heritability, Biology, Animal science, Beef cattle, Birth weight