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Abstract The present study investigated the feeding value of maize distillers dried grains with solubles (mDDGS) for broiler chickens. As the first step, the nutrient composition, apparent metabolisable energy (AME) and apparent ileal amino acid digestibility of mDDGS were determined. These values were used to formulate iso-nutrient and isocaloric diets to evaluate the influence of graded levels of mDDGS on broiler performance, digestive tract development and carcass characteristics. Five maize-soybean based diets containing 0 or 5, 10, 15 and 20% of mDDGS, were formulated and cold-pelleted at 65 °C. Each diet was offered ad libitum to six replicates (eight birds per replicate cage) during starter (day 1–21) and finisher (day 22–35) phases. The mDDGS was analysed to contain (% dry matter (DM) basis): CP, 27.8; total non-starch polysaccharides, 28.6 and soluble non-starch polysaccharides, 5.6. The AME was determined to be 10.23 MJ/kg DM. The average ileal digestibility coefficient of indispensable AA was 0.826. The Inclusion of 20% mDDGS resulted in poorer ( P 0.05) were observed finisher period and the overall production period (day 1–35). Feed intake and feed per gain (linear effect, P 0.05) by dietary treatments. A linear ( P < 0.05) decrease was observed for the relative lengths of jejunum, ileum and the small intestine. The results indicated that, when balanced for metabolisable energy and digestible amino acids, mDDGS can be incorporated into broiler starter and finisher diets up to 15 and 20%, respectively, with no adverse effects on live performance, carcass characteristics or excreta quality.
Ravindran et al. (Wed,) studied this question.
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