• Extensive: Usually unconfined. Typically < 10 pigs. Scavenging supplemented with household
waste. Virtually no use of feed that is purchased or grown specifically as feed. Nondescripted
or local breeds. Little or no prophylactic or remedial health care. Family consumption
with occasional local marketing on an ad hoc basis. Usually not specialised.
• Semi-intensive: Usually confined, sometimes with partial scavenging. Typically 10–100 pigs.
Home-produced or collected feeds with, in some cases, purchased supplements. Various
breeds from non-descript / local through crossbreds to specialized breeds suitable for the relatively
extensive production conditions. Improved monitoring of health status with some use