Table 5.
Correlation coefficient between nutrient intake and digestibility.
| Items | DMI, kg/d | OMI, kg/d | CPI, g/d | MPI, g/d | MEI, MJ/d |
|---|---|---|---|---|---|
| Apparent digestibility, % | |||||
| DM | −0.035 | −0.072 | 0.527** | 0.507* | −0.359 |
| OM | −0.069 | −0.095 | 0.479* | 0.458* | −0.424* |
| N | 0.148 | 0.099 | 0.647** | 0.657** | −0.377 |
| GE | 0.001 | −0.030 | 0.488* | 0.478* | −0.443* |
| NDF | −0.052 | −0.064 | 0.332 | 0.291 | −0.330 |
| ADF | −0.020 | 0.043 | 0.309 | 0.300 | −0.510* |
DMI = dry matter intake; OMI = organic matter intake; CPI = crude protein intake; MPI = metabolizable protein intake = MEI, metabolizable energy; DM = dry matter; OM = organic matter; N = nitrogen; GE = gross energy; NDF = neutral detergent fiber; ADF = acid detergent fiber.
*P < 0.05; **P < 0.01.