“…The ration per se with its natural pigments is a factor in shank pigmentation intensity. Lambert and Knox (1927) and more recently others, reported a close relationship between the intensity of yellow skin and shank coloration of chickens. Bateson (1902), Hurst (1905) and Dunn (1925) investigated the genetics of skin color and established that white skin (W) is autosomal and dominant to yellow (w) skin.…”