Pig farming is a system that separates the two areas (two sites), is a production system that separates pigs and pigs - Finishing off the pig breeders to breed in another area or another one farm away.
A separate system of pigs raised in 2 areas (2 sites) is a production system that separates sukronuban and pigs to breed pig farm leaves-the version of the parent species to feed on another area of the farm or away.
This is a pig feed in 2 separate areas (2 sites) is a system for the production of separate kindergarten children swine and swine model - Khun from pig farms to feed plants in the area, parents of one or more farm away.