In China as in many Asian countries livestock

Note: in China, a CAFO is technically defined as any operation that has >50 pigs, 2000 broilers, 500 layers, or 5 dairy cattle ( CLYEC, 2007). Chinese CAFOs are very small compared to CAFOs in developed countries, such as the United States where a large CAFO is defined as an operation with >10,000 pigs or 30,000 broilers or 82,000 layers, or >1000 cattle or cow/calf pairs ( USEPA, 2009).