Table 1 Prediction equations of energy values of pig feeds based on their chemical composition [19]
From: Alternative prediction methods of protein and energy evaluation of pig feeds
Equationsa | R 2 |
|---|---|
DE = 4477 – 10.0 × Ash + 3.8 × EE - 7.1 × CF | 0.82 |
DE = 4443 – 6.9 × Ash + 3.9 ×EE – 4.0 × NDF | 0.88 |
DE = 4151 – 12.2 × Ash + 2.3 × CP + 3.8 × EE – 6.4 × CF | 0.89 |
DE = 4168 – 9.1 × Ash + 1.9 × CP + 3.9 × EE – 3.6 × NDF | 0.92 |
DE = 1407 + 0.657 × GE – 9.0 × Ash + 1.4 × CP – 6.7 × CF | 0.86 |
DE = 1161 + 0.749 × GE – 4.3 × Ash – 4.1 × NDF | 0.91 |
DE = 949 + 0.789 × GE – 3.5 × Ash – 3.8 × NDF – 5.4 × ADL | 0.92 |
DE = 1007 + 0.750 × GE – 4.6 × Ash + 0.8 × CP – 3.6 × NDF – 5.0 × ADL | 0.93 |
ME = 4369 – 10.9 × Ash + 4.1 × EE - 6.5 × CF | 0.87 |
ME = 4334 – 8.1 × Ash + 4.1 × EE -3.7 × NDF | 0.91 |
ME = 4168 – 12.3 × Ash + 1.4 × CP + 4.1 × EE - 6.1 × CF | 0.88 |
ME = 4194 – 9.2 × Ash + 1.0 × CP + 4.1 × EE – 3.5 × NDF | 0.92 |
ME = 1255 + 0.712 × GE – 8.5 × Ash – 6.6 × CF | 0.85 |
ME = 1099 + 0.740 × GE - 5.5 × Ash – 3.7 × NDF | 0.91 |