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Large White piglets on a farm A Large White sow suckling her piglets Interior of pig farm at Bjärka-Säby Castle, Sweden, 1911. Pig farming, pork farming, or hog farming is the raising and breeding of domestic pigs as livestock, and is a branch of animal husbandry. Pigs are farmed principally for food (e.g. pork: bacon, ham, gammon) and skins.
Intensive pig farming, also known as pig factory farming, is the primary method of pig production, in which grower pigs are housed indoors in group-housing or straw-lined sheds, whilst pregnant sows are housed in gestation crates or pens and give birth in farrowing crates.
As a result, farming became concentrated on fewer larger farms. For example, in 1967, there were one million pig farms in America; as of 2002, there were 114,000. [32]: 29 In 1992, 28% of American pigs were raised on farms selling >5,000 pigs per year; as of 2022 this grew to 94.5%. [34]
Gestation crates, used on modern pig-production facilities, commonly referred to as factory farms. A gestation crate, also known as a sow stall, is a metal enclosure in which a farmed sow used for breeding may be kept during pregnancy. [1] [2] [3] A standard crate measures 6.6 ft x 2.0 ft (2 m x 60 cm). [4] [5]
Family farm hog pen with Hampshire pigs. The family hog pen was a small-scale system of pig farming found on family farms of the early 1900s, although backyard pig farming does still occur. Family hog pens enclosed just a few hogs to provide year-round meat for the table.
Media in category "Pig farming" This category contains only the following file. Gestcrate01.jpg 400 × 286; 24 KB
Smithfield Hog Production Division, formerly Premium Standard Farms, Inc. (PSF), is a subsidiary of Smithfield Foods, Inc. Premium Standard Farms was the second-largest pork producer and the sixth-largest processor in the United States until Smithfield Foods acquired it in 2007.
RSPCA Approved Farming is a standard that can be applied to both barn-laid and free-range egg producers. Farms using this certification must have an indoor density of 9 birds per square metre indoors on slats, or 7 birds per square metre indoors in a deep-litter system.