Table 2. Analyzed chemical composition (g/kg DM or as stated) of the experimental diets.
| Item | Treatments1) | |
|---|---|---|
| Control | HCP | |
| DM (g/kg as fed) | 898 | 911 |
| OM | 940 | 943 |
| CP | 156 | 173 |
| SOLP | 58 | 67 |
| NDICP | 17 | 18 |
| ADICP | 10 | 12 |
| aNDF | 338 | 353 |
| ADF | 162 | 188 |
| ADL | 30 | 35 |
| Ether extract | 44 | 55 |
| Ash | 60 | 57 |
| Ca | 8 | 9 |
| P | 5 | 5 |
| K | 11 | 11 |
| Na | 3 | 3 |
| Cl | 5 | 5 |
| S | 3 | 3 |
| TDN | 747 | 753 |
| ME (MJ/kg DM) | 11.2 | 10.8 |
| NEm (MJ/kg DM) | 7.4 | 7.5 |
| NEg (MJ/kg DM) | 4.7 | 4.8 |
| Total carbohydrates | 740 | 715 |
| NFC | 419 | 381 |
| Carbohydrate fractions (g/kg carbohydrate) | ||
| CA | 63 | 63 |
| CB1 | 430 | 393 |
| CB2 | 73 | 76 |
| CB3 | 336 | 350 |
| CC | 99 | 117 |
| Protein fractions (g/kg CP) | ||
| PA+B1 | 373 | 387 |
| PB2 | 520 | 510 |
| PB3 | 46 | 34 |
| PC | 61 | 70 |
Control, containing 156 g/kg DM of CP; HCP, high level of crude protein, containing 173 g/kg DM of CP.
DM, dry matter; OM, organic matter; CP, crude protein; SOLP, soluble CP; NDICP, neutral detergent insoluble CP; ADICP, acid detergent insoluble CP; aNDF, neutral detergent fiber analyzed using a heat-stable amylase and expressed inclusive of residual ash; ADF, acid detergent fiber; ADL, acid detergent lignin; TDN, total digestible nutrients; NEm, net energy for maintenance; NEg, net energy for growth; NFC, non-fiber carbohydrate; CA, carbohydrate A fraction, ethanol soluble carbohydrates; CB1, carbohydrate B1 fraction, starch; CB2, carbohydrate B2 fraction, soluble fiber; CB3, carbohydrate B3 fraction, available insoluble fiber; CC, carbohydrate C fraction, unavailable carbohydrate; PA+B1, protein A and B1 fractions, soluble CP; PB2, protein B2 fraction, intermediate degradable CP; PB3, protein B3 fraction, slowly degradable fiber-bound CP; PC, protein C fraction, unavailable CP.