Apparent metabolizable energy of cereal grains is influenced by broiler age
MAHMOUD KHALIL, REZA ABDOLLAHI, FIFI ZAEFARIAN, PETER CHRYSTAL and RAVI RAVINDRAN* investigate whether the age of broiler chickens has any effect on the nitrogen-corrected apparent metabolizable energy of commonly used cereal grains (wheat, sorghum, barley and maize) using the direct method by the total excreta collection.
Cereal grains such as wheat, sorghum, barley and maize are commonly used in poultry diets as the main source of energy. Knowledge on the metabolizable energy content of cereal grains is critical for their efficient use and precise poultry feed formulation. Despite several limitations, the apparent metabolizable energy (AME) has been the globally accepted system for describing the dietary energy content for poultry.
Modern, commercial broiler diets are formulated to use AME or nitrogen-corrected AME (AMEn) values of feed ingredients from reference tables or equations. Most published data on the AMEn content of feed ingredients have been generated with ...
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