Timidity prevents the virgin female rat from being a good mother: emotionality differences between nulliparous and parturient females.
D000818:Animals; D001362:Avoidance Learning; D004644:Emotions; D004971:Estrus; D005106:Exploratory Behavior; D005239:Fear; D005260:Female; D008297:Male; D008425:Maternal Behavior; D009043:Motor Activity; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D011919:Rats, Inbred Strains; D012919:Social Behavior