POULTRY producers recently have become interested in the use of high-density rations. Several terms that occur in the literature such as low-fiber, high-density, high-energy, and low-bulk are more or less synonymous terms as they refer to feeds which contain small amounts of fiber. The superiority of the high-density feeds over the low-density rations has been reported by Lloyd, Reed and Fritz (1949) and Skinner, Quisenberry and Couch (1951), who found greater growth was obtained in both chickens and turkeys when the high-density rations were fed. Birds on a high-energy ration were shown by King (1950) to lose less weight when subjected to various exercise treatments before slaughter. The importance of feed as a factor which influences the palatability of poultry has been pointed out by Carrick and Haugh (1926), Lowe (1948) and Maw (1935). Casual observers have indicated from time to time that chickens fed the high-density diets had greater …