I think the key word there is "in Iowa" these reports are about Corn use in the state, not about Corn Subsidies nationwide or even the over all use of Corn fro

I think the key word there is "in Iowa" these reports are about Corn use in the state, not about Corn Subsidies nationwide or even the over all use of Corn from Iowa in other states. as you said Iowa has high pork production so it is obvious that would be the main use of Corn Feed IN Iowa, but that would not track to other states like say Texas where there is less pig and more Cow