Breeds and Selection of Swine
Terms: Swine: mammal in the family Suidae. Domesticated species grown for their edible flesh and fat, for their hides and bristles Hog: older swine of either sex Pig: young swine of either sex Pork: meat of swine
Continued Terms: Boar: male swine that has not been castrated Barrow: male swine that has been castrated Sow: mature female swine Gilt: immature female swine Meat-type hog: well muscled hog that has a good length of body and an above average percentage of ham, loin, and shoulder
Continued Terms: Hybrid: an animal produced from the crossing of two animals of different breeds Hybrid vigor: the extra growth capacity contributed to hybrid animals because of the crossbreeding factor Prolific: productive; abundant reproduction
Continued Terms: Farrow: act of giving birth Gestation period: length of pregnancy (3 months, 3 weeks, 3 days)
Landrace Originated in Denmark Drooped ears Known for their mothering ability and large litters White Long Flatter-topped than other breeds
Berkshire Originated in England Black with six white points Once kept at Buckingham Palace Has an acceptable carcass Erect ears
Chester White Originated in Chester County, Pennsylvania Further developed in Delaware County, Pennsylvania White with drooped ears
Duroc Originated in the United States Solid red Drooped ears Good mothering, growth rate, and feed conversion
Hampshire Originated in England Once known as thin rind Probably the oldest American breed Black with a white belt Small, erect ears Known for foraging, muscling, and carcass leanness
Hereford Originated in Missouri Developed from crossing Poland China and Durocs Red with white face, legs and underline Medium-sized, drooping ear Long neck
Pietrain Originated in Belgium White with black spots Medium sized, erect ears Exceptionally high lean to fat ratio Usually used in crossbreeding to improve carcass quality
Poland China Originated in Ohio Noted for low backfat and large loin eye Quiet dispositions Black with white snouts, legs and switch Drooped ears
Spots Developed in Indiana Black and white spots Drooping ears Noted for rapid weight gain Breeders strive to produce large frames
Tamworth Originated in Ireland Red in color Long head and snout Good mothers Foraging ability
Yorkshire Originated in England White Large, erect ears High feed efficiency Produces large litters Bacon-type hog
Judging Hogs Look at them from 15 feet Type and conformation Muscle Look at length of side and skeleton Muscle Look at rear view; wide back and loin; deep rump and ham; thick and firm; chest and shoulders wide Finish A little is desirable; no excess fat Quality, Proportioned, Sound