Michael Langemeier
Purdue Center for Commercial Agriculture
Distiller’s dried grains are a co-product of dry-milled ethanol production. U.S. ethanol plants have the capacity to produce more than 17.5 billion gallons of ethanol and 35.3 million tons of DDGs. DDGs from corn contain, on average, 30 percent protein, 10 percent fat and 7 percent fiber. About 18 pounds of DDGs – 10 percent moisture content – are produced from 1 bushel of corn. Because their protein content is greater than that of corn, DDGs can be substituted for corn and soybean meal in livestock diets.
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