Open-field behavior in isolate and trio chicks of two age groups.
D000367:Age Factors; D000818:Animals; D001522:Behavior, Animal; D002645:Chickens; D004644:Emotions; D005106:Exploratory Behavior; D007173:Imprinting, Psychological; D008124:Locomotion; D009043:Motor Activity; D012934:Social Isolation