Effect of crowding and litter size on several behaviors of white rats.
D000818:Animals; D001522:Behavior, Animal; D003441:Crowding; D005247:Feeding Behavior; D005260:Female; D008098:Litter Size; D008297:Male; D009043:Motor Activity; D011247:Pregnancy; D051381:Rats; D011930:Reaction Time; D012737:Sex Factors