The meal of the crop we know as oilseed rape has chemically similar properties to soya, but is less palatable to livestock. A major difficulty in this study is that ”we don’t know what’s normal,” said Dale Tuttle, director of the Dickerson Park Zoo in Springfield, Mo. Wild elephants move around a lot, eating bits of dirt along with the grasses. In fact, over eight million bushels of soybean products are used to feed hogs on Kansas farms. They help …
