Corn dry whole alcohol grain (corn DDGS) is the use of corn alcohol grain liquid, using centrifugal separation, vacuum filtration, evaporation and concentration, mixing and drying, granulation packaging and other advanced processes to produce powdery and granular high protein refined feed, its protein The content is above 26%. It is a new type of protein feed material widely used by domestic and foreign feed manufacturers. It is usually used as a substitute for soybean meal and fish meal in livestock and poultry and aquatic compound feeds. Feed the ruminant.