Table 5.

FAO classification of poultry production systems.

Sector Designation	Production System	Characteristics
1	Industrial integrated	High level of biosecurity; birds/products marketed commercially (farms that are part of an integrated broiler-production enterprise with clearly defined and implemented standard operating procedures for biosecurity).
2	Commercial 1	Moderate to high biosecurity; birds/products are usually marketed commercialy. (farms with birds kept indoors continuously; strictly preventing contact with other poultry or wildlife)
3	Commercial 2	Low to minimal biosecurity; birds/products sold in live bird markets eg. a caged layer farm with birds in open sheds, a farm with poultry spending time outside the shed, a farm producing chickens and waterfowl.
4	Village backyard production	Minimal to no biosecurity; the birds’ products are consumed locally.