Table 9.
Correlation coefficients between the physical characteristics of diets, concentration of DE and ME, and apparent total tract digestibility (ATTD) of nutrients in ingredients
| Item | Correlation coefficient1 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Swelling | WBC | Viscosity | DE | ME | ATTD of DM | ATTD of CP | ATTD of GE | ATTD of AEE | |
| Bulk | 0.10 | −0.10 | 0.07 | 0.85*** | 0.83*** | 0.88*** | 0.26 | 0.66** | −0.91*** |
| Swelling | 1.00 | 0.79*** | 0.83*** | −0.13 | −0.16 | 0.18 | −0.61 | −0.54 | 0.38 |
| WBC | — | 1.00 | 0.53 | −0.27 | −0.29 | −0.11 | −0.68* | −0.59* | 0.26 |
| Viscosity | — | — | 1.00 | −0.26 | −0.28 | 0.27 | −0.91*** | −0.42 | 0.10 |
| DE | — | — | — | 1.00 | 1.00*** | 0.80*** | 0.59 | 0.81*** | −0.52 |
| ME | — | — | — | — | 1.00 | 0.80*** | 0.52 | 0.84*** | −0.51 |
| ATTD of DM | — | — | — | — | — | 1.00 | 0.20 | 0.69** | −0.45 |
| ATTD of CP | — | — | — | — | — | — | 1.00 | 0.32 | −0.32 |
| ATTD of GE | — | — | — | — | — | — | — | 1.00 | −0.46 |
*P < 0.10; **P < 0.05; ***P < 0.01.
1Bulk = bulk density; WBC = water-binding capacity; AEE = acid hydrolyzed ether extract.