Table 4.
Correlation coefficients between chemical composition and digestible energy to gross energy and digestible energy of diets
| Items | EE | Ash | CF | NDF | ADF | TDF | IDF | SDF | GE | DE:GE | DE |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CP | 0.02 | 0.39*** | 0.08 | 0.16* | 0.14 | 0.23** | 0.24 | −0.04 | 0.29*** | −0.13 | 0.12 |
| EE | - | −0.01 | 0.09 | 0.02 | 0.11 | 0.01 | 0.14 | −0.18* | 0.54*** | −0.16* | 0.21** |
| Ash | - | 0.25*** | 0.21** | 0.15* | 0.24** | 0.24** | 0.14 | −0.30*** | −0.20** | −0.39*** | |
| CF | - | 0.79*** | 0.82*** | 0.82*** | 0.82*** | 0.44*** | −0.03 | −0.45*** | −0.46*** | ||
| NDF | - | 0.67*** | 0.87*** | 0.89*** | 0.39*** | 0.12 | −0.72*** | −0.56*** | |||
| ADF | - | 0.69*** | 0.66*** | 0.38*** | 0.06 | −0.34*** | −0.31*** | ||||
| TDF | - | 0.93*** | 0.57*** | 0.07 | −0.52*** | −0.39*** | |||||
| IDF | - | 0.32*** | 0.19 | −0.61*** | −0.40*** | ||||||
| SDF | - | −0.28*** | −0.10 | −0.24** | |||||||
| GE | - | −0.25*** | 0.47*** | ||||||||
| DE:GE | - | 0.67*** |
EE, ether extract; CF, crude fiber; NDF, neutral detergent fiber; ADF, acid detergent fiber; TDF, total dietary fiber; IDF, insoluble dietary fiber; SDF, soluble dietary fiber; GE, gross energy; DE, digestible energy; CP, crude protein.
*
p<0.05,
**
p<0.01, and
***
p<0.001.