DDGS in Poulltry feeds. 1. DDGS (Distillery Dry Grain Soluble) is a by-product of ethanol production suitable for Poultry feed. 2. When ethanol plant produces ethanol,they use starch only from grains like rice,corn and wheat. 3. After starch extraction,the byproduct is called DDGS. 4. It is a protein rich raw material widely used in Poultry,Livestock … Continue reading DDGS in Poulltry feeds.