Genetic selection of winner and loser rats in a competitive situation.
D000818:Animals; D001835:Body Weight; D001947:Breeding; D003163:Competitive Behavior; D005247:Feeding Behavior; D005260:Female; D005824:Genetics, Behavioral; D008297:Male; D051381:Rats / Q000502:physiology*; D012641:Selection, Genetic; D012737:Sex Factors