title: Variations in the phaeomelanin intensity of the head and neck feathers of gold columbian chicks.
mesh_terms: D000818:Animals; D002645:Chickens; D003433:Crosses, Genetic; D005241:Feathers; D005260:Female; D006257:Head; D008297:Male; D008543:Melanins / Q000032:analysis; D009333:Neck; D010860:Pigments, Biological / Q000032:analysis; D013053:Spectrophotometry
chemical_list: D008543:Melanins; D010860:Pigments, Biological