title: Sexually dichromatic shank melanization associated with the birchen (E R ) allele.
mesh_terms: D000483:Alleles; D000818:Animals; D002645:Chickens; D005260:Female; D007866:Leg; D008297:Male; D010641:Phenotype; D010858:Pigmentation; D012732:Sex Determination Analysis / Q000662:veterinary*