ArticleAnimals : an open access journal from MDPI2026
Metabolizable and Net Energy Values of Corn from Various Regions and Prediction Equation Development for Arbor Acres Broilers at Two Growth Stages.
Article in Animals : an open access journal from MDPI, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study aimed to determine the apparent metabolizable energy (AME), nitrogen-corrected AME (AMEn), and net energy (NE) values of corn for Arbor Acres (AA) broilers aged 12-14 and 26-28 days and to develop prediction equations. Ten corn samples with varying chemical compositions were selected. Test diets were formulated using the substitution method, in which corn replaced 40% of the energy-supplying components in a basal diet. A total of 396 male AA broilers at 9 days of age and another 396 at 23 days of age were used across the two metabolism trials. AME, AMEn and NE were determined using the substitution method combined with respiratory calorimetry. Correlations between energy values and chemical components were analyzed. Multiple linear stepwise regression in SPSS was used to establish prediction equations for AME, AMEn, and NE. The results showed that for 12-14-day-old broilers, AME, AMEn, and NE ranged from 13.84-15.66 MJ/kg, 13.39-15.35 MJ/kg, and 8.61-12.56 MJ/kg, respectively. For 26-28-day-old broilers, the corresponding values ranged from 14.62-16.30 MJ/kg, 14.42-16.05 MJ/kg, and 10.42-13.06 MJ/kg. Notably, NE values and AME/GE (gross energy) ratios were significantly higher in 26-28-day-old broilers than in 12-14-day-old broilers (
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