Testosterone, search behaviour and persistence.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002645:Chickens; D005106:Exploratory Behavior / Q000187:drug effects; D005260:Female; D005508:Food Deprivation; D005518:Food Preferences / Q000187:drug effects; D008297:Male; D012737:Sex Factors; D012726:Sexual Behavior, Animal / Q000187:drug effects; D013739:Testosterone / Q000494:pharmacology*
D013739:Testosterone