Chiang Mai is the cultivation of maize, 154 700 hectares, about 180,000 tonnes of corn and the remaining material is corn. The burden of the farmers to get rid of the rest of the shell, thus bringing about 42,000 tons of corn as animal feed. Recommendations for the use of corn either, especially cattle, native animals such as cattle, Chiang Mai, where it can take advantage of roughage. Quality and low yield Though low-quality roughage shelled corn with low nutrient value, the animals also eat less corn during harvest volume can not be pets. The effects of supplementation of urea on the fermentation process. For the purpose of this study was to. Study of urea and molasses plant quality. Rumen of cattle