Table 1.
Proximate composition and contents of Se, vitamin C, and α-tocopherol of the feed mixtures.
| Diets | |||||
|---|---|---|---|---|---|
| Constituents (g/kg) | Cont | +E | +C | +Se | +ECSe |
| Dry matter | 877.7 | 879.7 | 879.1 | 879.9 | 878.5 |
| Crude protein | 183.9 | 186.0 | 188.1 | 183.2 | 189.7 |
| Crude fat | 59.8 | 58.2 | 59.6 | 62.4 | 58.9 |
| Crude fibre | 37.4 | 37.5 | 35.2 | 38.1 | 41.6 |
| Crude ash | 48.2 | 47.2 | 47.1 | 47.2 | 47.2 |
| Nitrogen free extract | 548.3 | 550.8 | 549.0 | 549.0 | 541.2 |
| Se (mg/kg) | 0.33 | 0.30 | 0.23 | 0.49 | 0.50 |
| Vitamin C (mg/kg) | N.A. | N.A. | 132.4 | N.A. | 129.4 |
| α-tocopherol (mg/kg) | 51.2 | 277.5 | 55.2 | 45.9 | 241.6 |
N.A. = not analysed.
Cont (commercially recommended levels of vitamin E, C and selenium), +E (Cont + 200 IU vitamin E/kg feed), +C (Cont + 250 mg vitamin C/kg feed), +Se (Cont + 0.2 mg selenium/kg feed), or +ECSe (Cont + 200 IU vitamin E, 250 mg vitamin C, 0.2 mg selenium/kg feed).