cconfined animal feeding operation having at least 1,000 animal units.
Combined animal feeding operation. Animal feeding operations (AFOs) are livestock-raising operations, such as hog, cattle and poultry farms, which confine and concentrate animal populations and their wastes. CAFO is the largest category of AFO with greater than 1,000 "animal units" and is a significant contributor to the pollution of waters of the U.S.
Contained Animal Feeding Operations are large livestock (i.e.,cattle, chickens, turkeys, or hogs) production facilities that are considered a point source pollution.