JOHNSTON, November 3, 2017 - Looking out his combine cab window, Iowa farmer Dean Meyer contemplates several things, but one stands out, how to add value to every bushel of corn. Meyer knows one proven strategy to do so has been his diversified operation, including the livestock animals raised on his farm. When, Meyer, who raises cattle, feeds his cattle corn, sells them, and they become processed as beef products, he creates a value-added product -Iowa corn-fed beef. The U.S.