Corn is the most valuable source of energy among cereal grains. Due to its high energy content and large-scale production potential, corn is the most widely used source of energy for feed and renewable fuel. Depending on the diverse of milling, corn produces a range of products, which includes several feed ingredients and ethanol. When milled, corn will produce a number of additional products that can be used as feed ingredients such as DDGS, CGM, CGF, etc .