“…Wilcke (1936) found that 72 parts of ground whole oats in the ration resulted in normal growth, excellent feathering, and no bone abnormalities. Poley (1938) reported a high percentage of plumage abnormalities when the chicks were fed rations containing ground wheat and ground yellow or white corn. The abnormalities in structure were reduced appreciably by the addition of 15 percent of bran, 15 percent each of bran and middlings, or 5 percent of dried skimmilk, but these substances were ineffective against the abnormalities in pigmentation.…”