Breeding sows are impregnated over and over again and kept in cramped metal sow stall, which do not allow them to turn around. They give birth and nurse 10-12 piglets in farrowing crates, almost as cramped as the sow stalls. The natural nursing period for a sow is 12 weeks, but its cut to 2-4 weeks, so that the sows can be impregnated again. After 3-4 years, they are sold for slaughter. Usually about 20% of the piglets die from disease and stress. The piglets that survive are neutered without painkillers and packed into wire cages and fed artificial milk. When they can be fed solid foods. They are in the wire cage for 6 months then
