Case Note, Pig in a Poke: Missouri Draws Tenuous Line Between Public Health and Zoning Ordinances in Allowing County Regulation of Concentrated Animal Feeding Operations (Borron v. Farrenkopf, 5 S.W.3d 618, Mo. Ct. App. 1999), 8 MISSOURI ENVIRONMENTAL L. & POLICY REV. 29-35 (2001).