The Hampshire is a [[Pigs|pig]] breed developed in the United States and distinguished by its black body with a white belt encircling the shoulders and forelegs. The breed is one of the oldest recognized American pig breeds and is known for its lean meat, good mothering ability, and sound structure. Hampshires are widely used as terminal sires in commercial crossbreeding programs and are the second most common breed in American commercial pork production.
The Hampshire breed traces its origins to the "Old English" pigs of northeastern England and southern Scotland, which were imported to the United States in the early 19th century. These pigs were known as the "Belted" or "Mackay" pigs in their regions of origin. The breed was developed in the United States, particularly in Kentucky and Tennessee, where breeders selected for the distinctive belted color pattern and improved meat qualities.
The breed was originally called the McKay or Belted pig before being standardized as the Hampshire in 1904, named after the county in England from which the foundation stock derived. The Hampshire Swine Registry was established in 1922. By the mid-20th century, the Hampshire had become the leading sire breed in the American swine industry, prized for its long body, lean muscle, and feed efficiency. Modern Hampshire genetics are used extensively in commercial crossbreeding programs to improve carcass leanness and loin eye area.
Hampshire pigs are black with a white belt that covers the shoulders, front legs, and extends down the forelegs to the hooves. The belt must be continuous and at least 2 inches wide. The ears are erect and slightly forward-pointing. Mature sows weigh 500 to 700 pounds (225 to 315 kilograms), and boars weigh 600 to 800 pounds (270 to 360 kilograms).
The breed is known for its lean carcass with a high proportion of lean meat and a large loin eye area. Hampshires have sound feet and legs and are known for their durability and longevity in breeding herds. Sows are prolific, with good litter sizes and excellent mothering ability. The breed is less prone to stress syndrome than some other lean breeds.
Hampshire boars are used extensively as terminal sires in commercial crossbreeding programs. When crossed with white-line females such as Yorkshire or Landrace, Hampshire-sired progeny produce lean, heavily muscled carcasses that meet premium market specifications. The breed's muscle quality and loin eye area are among the best of any breed.
On homesteads, the Hampshire's erect ears and lean conformation distinguish it from pasture breeds. Hampshires are less suited to extensive foraging systems than the heritage lard-type breeds and perform better in managed pasture systems with supplemental feed. Their strong maternal instincts make them a good choice for the homesteader raising litters from a purebred sow.