This breed is found throughout China. They are a meat breed, usually black but occasionally with white markings. The breed
originated in 1962 from crossing Berkshire and Large White with local breeds including Dingxian, Shenxian and Zhouxian.
Mason, I.L. 1996. A World Dictionary of Livestock Breeds, Types and Varieties. Fourth
Edition. C.A.B. International. 273 pp.