(2010) also reported that cattle fed a barley-based finishing ration exhibited a quadratic decrease in DMI as corn DDGS replaced barley. In their study, the decline in DMI relative to the control was greater (15.4 vs. 6.2%) at 40% corn DDGS inclusion than in the current study. Similarly, Eun et al. (2009) reported that DMI of cattle fed barley-based rations decreased as corn DDGS replaced up to 18.3% of the dietary DM.