In Indonesia, the homeland of black chickens, the breed Ayam Cemeni uses mystical glory. And no wonder: these birds are blue-black colors not only feathers, but also scallops, paws, beaks, all internal organs and even eggshells.
Scientists explain this miracle of hyperpigmentation the dominant gene of fibromelanosis. Decorative hens look amazing, impressive and their price: an adult ayam cementi can cost up to two and a half thousand dollars. First homework birds of this breed have recently appeared in Russia.
Surprisingly, inside the black shell, the protein, as expected, white, and the yolk is yellow.