Domestic pigs are farmed primarily for the consumption of their meat, called pork. The animal's bones, hide, and bristles are also used in commercial products.Domestic pigs, especially the pot-bellied pig, are sometimes kept as pets.he domestic pig is mostly used for its meat, pork. Other food products made from pigs include pork sausage (casings made from the intestines), bacon, gammon, ham and pork scratchings (cracklings or rinds).