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Pig

The domestic pig, also known as the house pig or farm pig, is a species that has been domesticated from wild boars, primarily raised for meat production. Most domestic pigs have a thin layer of hair on their skin surface. Domestic pigs are often considered a subspecies of their wild ancestors, the wild boars, and are biologically classified as Sus scrofa domesticus. Some taxonomists argue that domestic pigs constitute a distinct species and refer to them as Sus domesticus, with wild boars labeled as S. scrofa. The domestication of pigs dates back approximately 13,000-12,700 years when they first became associated with humans.