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Breeds and Selection of Swine
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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
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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
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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
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Continued Terms: Farrow: act of giving birth
Gestation period: length of pregnancy (3 months, 3 weeks, 3 days)
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Landrace Originated in Denmark Drooped ears
Known for their mothering ability and large litters White Long Flatter-topped than other breeds
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Berkshire Originated in England Black with six white points
Once kept at Buckingham Palace Has an acceptable carcass Erect ears
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Chester White Originated in Chester County, Pennsylvania
Further developed in Delaware County, Pennsylvania White with drooped ears
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Duroc Originated in the United States Solid red Drooped ears
Good mothering, growth rate, and feed conversion
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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
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Hereford Originated in Missouri
Developed from crossing Poland China and Durocs Red with white face, legs and underline Medium-sized, drooping ear Long neck
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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
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Poland China Originated in Ohio
Noted for low backfat and large loin eye Quiet dispositions Black with white snouts, legs and switch Drooped ears
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Spots Developed in Indiana Black and white spots Drooping ears
Noted for rapid weight gain Breeders strive to produce large frames
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Tamworth Originated in Ireland Red in color Long head and snout
Good mothers Foraging ability
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Yorkshire Originated in England White Large, erect ears
High feed efficiency Produces large litters Bacon-type hog
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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
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