Silkie chickens are a highly-prized breed of chicken that has beautiful silky white plumage, and startlingly black skin. They are frequently found in China, India, and Southeast Asia.

The  Chinese  believe in it as medicine especially for women. Wu Gu Ji Tong is a Silkie (black) chicken soup.  Silkie chickens have been prized for their medicinal value since the seventh century. Women who have just given birth eat it for energy, but its curative powers are not gender-specific.