Bill Moyers: The Nasty Fallout from North Carolina's Powerful Hog Industry.

Unless you've actually visited and/or smelled substantial amounts of hog effluent, you have no right to judge. It is unbelievably foul. It will raise the gorge in your throat, edging you into full-upchuck mode. We lived downwind of a small one (~60 hogs) here in Santa Fe. After a rainstorm, it was beyond Dante's Inferno.