title: Persistence and search influenced by natural levels of androgens in young and adult chickens.
mesh_terms: D000367:Age Factors; D000728:Androgens / Q000502:physiology*; D000818:Animals; D000831:Animals, Newborn / Q000254:growth & development*; D001288:Attention / Q000187:drug effects*; D001522:Behavior, Animal / Q000187:drug effects*; D002369:Castration; D002645:Chickens; D003118:Color Perception / Q000187:drug effects; D003534:Cyproterone / Q000494:pharmacology; D004193:Discrimination Learning / Q000187:drug effects; D005247:Feeding Behavior / Q000187:drug effects; D005260:Female; D005824:Genetics, Behavioral; D008297:Male; D012737:Sex Factors; D013045:Species Specificity; D013739:Testosterone / Q000494:pharmacology
chemical_list: D000728:Androgens; D013739:Testosterone; D003534:Cyproterone