To Study the metabolizable energy values of white corn, yellow corn, barley, naked barley, wheat, milo, barley crumble, barley screenings, and wheat shorts (I, II) by chromic oxide indicator technique, 165 birds of a broiler type at 4 weeks of age were employed for this experiment. The substitution level of test ingredients was 30% on the basis of air dry matter. The results obtained are summarized as follows; 1. It was obtained that corrected metabolizable energy values of white corn, yellow corn, barley, naked barley, wheat, milo, barley crumble, barley screenings, wheat shorts (I) and wheat shorts (II) were 3475 ㎉, 3496 ㎉, 3241 ㎉, 3598 ㎉, 3345 ㎉, 3514 ㎉, 3152 ㎉, 2451 ㎉, 2518 ㎉, 2521 ㎉ per kilogram, respectively. 2. In the body weight gain and feed efficiency, barley crumble group was superior to the others. The groups received naked barley, wheat shorts (II) or barley screenings gained poorly.