Ba Xuyen is a composite of the Berkshire, imported from 1932-1958, and the Bo Xu that is itself a composite of the Craonnais, imported around 1920 by French planters, and Chinese pigs imported around 1900 by Chinese traders.

This breed is found throughout China. They are a meat breed, usually black but occasionally with white markings.

The breed's development began in the late 1920's, with the native Landrace type, which was described as "a short, fat and poorly muscled pig."' In the early 1930's, the German Landrace was introduced and crossed with the native stock. The German stock that was introduced was said to have had an infusion of British Large White. Following World War II, Dutch Landrace were imported and used.

The Bentheim Black Pied pig is also known as the Buntes Bentheimer Schwein. It is a rare breed of domestic pig in Germany.

CROMWELL’S troops when quartered in Reading, made reference to a locally bred pig renowned for its size and the quality of its bacon and ham. This turned out to be one of the earliest records of the Berkshire breed.

The Black Salvonian are a meat breed with semi-lop ear which originated, by Count Pfeifer, from Berkshire and Poland China crossed with Black Mangalitsa.

The first Landrace pigs were imported into Britain from Sweden in 1949 (4 boars and 8 gilts) with other imports to follow from 1953 onwards, these came into Northern Ireland, the Isle of Man and the Channel Islands.

The British Lop is a west country breed which originated around the Tavistock area either side of the Cornwall/Devon borders.

This meat breed is found throughout Bulgaria. It was developed from Bulgarian Native graded up by Large White and Edelschwein.