Soares, J. A., V. Singh, H. H. Stein, R. Srinavasan, and J. E. Pettigrew. 2011. Short Communication: Enhanced distillers dried grains with solubles (DDGS) has greater concentration of digestible and metabolizable energy than DDGS when fed to growing and finishing pigs. Can. J. Anim. Sci. 91:1-5. Link to full text (.pdf)