Higher ethanol yield leaves less DDGS for animal feed, possibly changing the quality as well as the quantity of the feed coproduct. A lower quantity might raise the protein percentage, but it could also concentrate some of the undesirable contents of the DDGS. Any changes, however, are expected to be minor. (See Haefele et al., , on the selection of hybrids.) Unlike many technologies that are adopted because they show an immediate improvement in profit or a reduction in risk, corn with a higher ethanol yield does not necessarily lead to additional profits for the farmer in today’s marketing environment. Corn is not graded on the basis of.