Table 6.
Correlation coefficients (r) between chemical constituents and energy values of the 10 corn germ meal samples1)
| Item | DE | ME | GE | CP | AEE | EE | NDF | ADF | TDF | IDF | SDF | Starch | Ash | Ca |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ME | 0.99 | 1.00 | - | - | - | - | - | - | - | - | - | - | - | - |
| GE | 0.40 | 0.41 | 1.00 | - | - | - | - | - | - | - | - | - | - | - |
| CP | 0.57 | 0.54 | −0.31 | 1.00 | - | - | - | - | - | - | - | - | - | - |
| AEE | 0.26 | 0.28 | 0.64 | −0.27 | 1.00 | - | - | - | - | - | - | - | - | - |
| EE | 0.34 | 0.37 | 0.55 | −0.16 | 0.97 | 1.00 | - | - | - | - | - | - | - | - |
| NDF | 0.04 | 0.05 | 0.84 | −0.67 | 0.49 | 0.40 | 1.00 | - | - | - | - | - | - | - |
| ADF | −0.80 | −0.79 | −0.01 | −0.89 | −0.09 | −0.20 | 0.38 | 1.00 | - | - | - | - | - | - |
| TDF | −0.12 | −0.06 | 0.66 | −0.61 | 0.41 | 0.38 | 0.77 | 0.42 | 1.00 | - | - | - | - | - |
| IDF | −0.55 | −0.53 | 0.39 | −0.78 | −0.08 | −0.21 | 0.66 | 0.82 | 0.69 | 1.00 | - | - | - | - |
| SDF | 0.49 | 0.55 | 0.40 | 0.12 | 0.63 | 0.76 | 0.23 | −0.43 | 0.50 | −0.29 | 1.00 | - | - | - |
| Starch | 0.57 | 0.55 | 0.50 | 0.02 | 0.33 | 0.36 | 0.50 | −0.34 | 0.02 | −0.14 | 0.19 | 1.00 | - | - |
| Ash | −0.38 | −0.40 | −0.83 | 0.29 | −0.19 | −0.11 | −0.81 | −0.05 | −0.57 | −0.51 | −0.15 | −0.54 | 1.00 | - |
| Ca | −0.75 | −0.73 | −0.66 | −0.16 | −0.06 | −0.06 | −0.50 | 0.39 | −0.21 | −0.05 | −0.22 | −0.64 | 0.84 | 1.00 |
| TP | 0.32 | 0.28 | −0.61 | 0.88 | −0.34 | −0.21 | −0.84 | −0.71 | −0.71 | −0.82 | 0.05 | −0.19 | 0.64 | 0.16 |
DE, digestible energy; ME, metabolizable energy; GE, gross energy; CP, crude protein; AEE, acid-hydrolyzed ether extract; EE, ether extract; NDF, neutral detergent fiber; ADF, acid detergent fiber; TDF, total dietary fiber; IDF, insoluble dietary fiber; SDF, soluble dietary fiber; Ca, calcium; TP, total phosphorus.
1)
The absolute values of data above 0.5 indicating the two chemical constituents are significantly correlated (p<0.05).