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    Contribution of protein, starch, and fat to the apparent ileal digestible energy of corn- and wheat-based broiler diets in response to exogenous xylanase and amylase without or with protease

    This paper shows that the caloric contributions of starch, fat, and protein in response to exogenous enzymes were affected differentially by the base grain (corn or wheat) and the presence of fibrous ingredients at 21 and 42 d of age. Evidently, there is an opportunity for greater accuracy in the development of energy matrices for exogenous enzymes, reflecting the diet composition and physiologic status of the birds, which can allow producers to maximize the value of these additives in their systems.
    Document information
    Product / service: Phytases, Carbohydrases and Proteases, Enzymes, Enzyme and probiotic combinations
    Publication date: 20/11/2014
    Species: Poultry
    Authors: Indrakumar SE, Romero LF, Sands JS, Plumstead PW, Ravindran V, Dalsgaard, S
    Doctype: Publications & Citations
    Publication / conference: Poultry Science
    Regions and countries: Global
    Keywords: amylase, Dalsgaarda S, fat, Feed costs, poultry gut health, protein, protease, starch, substrate, variability, xylanase, enzyme, broiler chicken, Indrakumar SE, J. S. Sands JS, Poultry Science 93 1–13, Plumstead PW, Ravindran R
    Production challenge(s): Gut health, animal producer profitability, Performance growth
    Diets: Corn, broken rice, wheat, Corn, broken rice, sorghum, Wheat, rye & triticale, Wheat, rye and tricale containing by-products, Corn & soybean meal & high fibre by-products., Corn & sorghum meal & high fibre by-products., Corn & sorghum meal, Corn & soybean meal 
    Brands: Axtra® XAP, Axtra® XB, Axtra® PHY, Optimize Feed, FASTKit assay, Syncra® AVI, Phyzyme® XP, Avizyme®
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