Group says tests detect manure run-off in trout stream water samples

A group of environmentalists is asking state officials to inspect the manure application from a cattle feedlot in northeast Iowa that’s near a prized trout stream. Supreme Beef is constructing a feedlot in Clayton County for 11,600 head of cattle, but already has 800 cattle nearby. Steve Veysey, a retired chemist from Iowa State University, […]