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Table 6 Most effective prediction equations of digestible energy (kcal/kg; dry matter) based on chemical variables (% or kcal/kg; dry matter) of the corn samples

From: Predicting corn digestible and metabolizable energy content from its chemical composition in growing pigs

No. Equation R2 RSD P-value
1 DE = 3889.81 + (46.21 × Ether extract) 0.20 59 <0.01
2 DE = 3335.46 + (44.91 × Ether extract) + (7.59 × Starch) 0.33 58 <0.01
3 DE = 3507.46 + (44.01 × Ether extract) – (20.09 × NDF) + (8.38 × Starch) 0.45 56 <0.01
4 DE = 1062.68 + (49.72 × Ether extract) – (24.89 × NDF) + (0.54 × Gross energy) + (9.11 × Starch) 0.62 48 <0.01