title: Selection for body weight at eight weeks of age. 8. Growth and metabolism in two light environments.
mesh_terms: D000220:Adaptation, Biological; D000818:Animals; D001835:Body Weight; D002645:Chickens / Q000254:growth & development* / Q000378:metabolism / Q000502:physiology; D004777:Environment; D005247:Feeding Behavior; D005260:Female; D005838:Genotype; D008027:Light; D008297:Male; D010101:Oxygen Consumption; D013045:Species Specificity; D013997:Time Factors