Table 7.
Most effective prediction equations of ME (kcal/kg; DM) based on chemical variables (% or kcal/kg; DM) of the corn samples
| No. | Equation | R 2 | RSD | P -value |
|---|---|---|---|---|
| 5 |
ME = 4190.19 – (19.56 × NDF) |
0.22 |
44 |
<0.01 |
| 6 |
ME = 4664.04 – (17.74 × NDF) – (310.93 × Ash) |
0.33 |
40 |
<0.01 |
| 7 |
ME = 4464.24 + (20.15 × Ether extract) – (17.84 × NDF) – (233.72 × Ash) |
0.44 |
39 |
<0.01 |
| 8 |
ME = 4289.74 + (20.02 × Crude protein) + (22.47 × EE) – (18.40 × NDF) – (245.20 × Ash) |
0.49 |
35 |
<0.01 |
| 9 |
ME = −213.69 + (1.02 × DE) |
0.79 |
23 |
<0.01 |
| 10 |
ME = 362.67 + (0.95 × DE) – (193.59 × Ash) |
0.85 |
19 |
<0.01 |
| 11 | ME = 671.58 + (0.89 × DE) – (5.57 × NDF) – (191.39 × Ash) | 0.87 | 18 | <0.01 |