- A male hog.

Farrow - To give birth to a litter of pigs.

Farrow-to-finish operations - Operations where pigs are farrowed and finished to a slaughter weight of 225-300 pounds.

Feeder pigs - Young pigs, usually weighing 40 to 60 pounds, ready to be finished for market.

Finishing - The stage of production prior to slaughter where animals are typically fed rations of grain or other concentrates. The finishing stage is designed to increase an animal's weight and produce desirable carcass characteristics.

Gilt - Female hog, usually less than 15 months of age, which has not produced a litter.

Hog production phases - Four commonly used categories that describe stages of the hog production process: 1) breeding and gestation—the breeding of females and their maintenance during the gestation period; 2) farrowing-to-wean—the time from the birth of baby pigs until weaning; 3) nursery—the care of pigs immediately after weaning until about 30-80 pounds; and 4) finishing—the feeding of hogs from 30-80 pounds to a slaughter weight of 225-300 pounds.

Market hog - A barrow or gilt ready for slaughter, weighing 240 to 260 pounds.

Pig - Name applied to domesticated swine of all ages and sizes in most countries of the world except the United States, where "pig" commonly means younger animals (typically those weighing less than 100 pounds) while "hog" refers to all larger animals.

Sow - A female hog that has produced at least one litter.


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