Performance of two lines of Hereford cattle in two environments.
D000220:Adaptation, Biological; D000367:Age Factors; D000818:Animals; D001724:Birth Weight; D001835:Body Weight; D002417:Cattle / Q000502:physiology*; D004777:Environment; D005260:Female; D005838:Genotype; D006128:Growth; D008297:Male; D012098:Reproduction; D012641:Selection, Genetic; D012737:Sex Factors; D013045:Species Specificity; D014481:United States