title: Learning of visual food aversions by chickens (Gallus gallus) over long delays.
mesh_terms: D000818:Animals; D001245:Association Learning; D001362:Avoidance Learning; D002645:Chickens; D003118:Color Perception; D003463:Cues; D004435:Eating; D008094:Lithium; D008568:Memory; D011939:Mental Recall; D013649:Taste; D014796:Visual Perception
chemical_list: D008094:Lithium