The relation between the following response and precocious adult behaviour in the chick.
D000818:Animals; D001244:Association; D001522:Behavior, Animal; D005260:Female; D007173:Imprinting, Psychological; D008297:Male; D011200:Poultry; D012725:Sexual Behavior / Q000187:drug effects; D012934:Social Isolation; D013739:Testosterone / Q000494:pharmacology
D013739:Testosterone