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IN THE “Connecticut Broiler Ration” and its various modifications (Scott et al., 1947), as developed at the Connecticut Agricultural Experiment Station, the only grain used in the ration was yellow corn (70%). Comparatively little experimental work has been done with the Connecticut broiler ration using other grains. The comparative nutritive value of corn with other grains has been previously discussed by Almquist et al. (1943) and Biely et al. (1946). Since the T.D.N, content of wheat compares favorably with corn, its available energy being 121 Cal./pound lower than that of corn, and since wheat, moreover, is cheaper and more readily available in Canada than corn, it seemed worth while to determine the replacement value of wheat for corn, either in whole or in part. Preliminary experiments with wheat as a substitute for corn were carried out by Bearse (1948), who reported satisfactory growth with broilers when half of the corn . . .