Thermoregulation and the maternal behaviour of the rat.
D000818:Animals; D001833:Body Temperature Regulation; D001835:Body Weight; D005260:Female; D007774:Lactation; D008098:Litter Size; D008425:Maternal Behavior; D009425:Nesting Behavior / Q000502:physiology*; D011187:Posture; D011247:Pregnancy; D051381:Rats