OSU Animal Science: Large White - Describes this breed and its origins and explains why its qualities have made it one of the major pig breeds in the world. Large White - Gives the origin and history of this breed in Australia, its characteristics, uses and performance, and how modern breeders have made genetic improvements to the breed. Arapawa Island Swine - Provides information on this rare breed of feral pigs from the Arapawa Island, New Zealand. Berkshire - The history and development of this breed, its characteristics and commercial use. Chester White - The history and development of this breed that originated in Pennsylvania. Large Black - The history and development of this rare breed and its characteristics. Large Black-white - Photograph and information on this prolific breed from China. Mora Romagnola - Photograph and information on the origin and uses of these pigs, and on an attempt in Italy to revive the breed. Hereford Swine - Describes the history and development of this breed, its color and conformation.