Table 6.
Fecal near-infrared spectroscopy validation statistical parameters for feces chemical components and apparent total-tract digestibility of nutrients
| Components | SEP1 (g/kg DM) | r 2 val 2 | Bias | Slope3 |
|---|---|---|---|---|
| Feces chemical components | ||||
| OM | 56.5 | 0.91 | 4.4 | 0.83 |
| CP | 17.9 | 0.89 | 3.8 | 0.84 |
| GE | 1.3 | 0.90 | 0.16 | 0.84 |
| FAT | 11.7 | 0.64 | 2.0 | 0.72 |
| Apparent total-tract digestibility | ||||
| dOM4 | 5.5 | 0.94 | -0.60 | 1.0 |
| dCP5 | 1.9 | 0.63 | 0.03 | 0.81 |
| dGE6 | 2.5 | 0.87 | 0.20 | 0.79 |
| dFAT7 | 6.2 | 0.77 | 1.2 | 0.72 |
1SEP = SE of prediction.
2 r 2 val = r2 of cross-validation.
3Slope = characteristics of regression between predicted on measured values.
4dOM = apparent total-tract digestibility of OM.
5dCP = apparent total-tract digestibility of CP.
6dGE = apparent total-tract digestibility of GE.
7dFat = apparent total-tract digestibility of fat.