Despite the above research results, nutritionists are hesitant to use high inclusion levels in the diet. The lower energy (less starch) and higher fiber content is a concern and high dietary levels may limit intake of high performance meat poultry. Variability in product nutrient content and quality is often cited. Indeed, variability exists in nutrient content and performance response. In the report presented by Cromwell and coworkers (1993), 9 different samples of DDGS were analyzed and tested in chick diets. A large range of lysine contents were noted (.43 to .89%). Chick responses to.
