There are 8 major swine breeds in the United States. Berkshire - The Berkshire breed is a pure breed that can be traced directly back to England. Berkshire pigs are those that can be traced back to hogs directly imported from established Berkshire herds in England.
Berkshire hogs are black and white.
Chester White - Chester White hogs are very popular in the United States and are preferred by both producers and packers. The sows are known for their mothering abilities and the size of the litters. Chester White hogs are all white. Hampshire - The Hampshire breed is one of the oldest early American breeds of hogs. Hampshire hogs are a meat-type hog, imported to America from Hampshire County in England sometime between 1825 and 1835.