Table 2. Chemical composition of diets.
| Component | Basic feed (BF) | Modified feed 1 (MF1) | Modified feed 2 (MF2) |
|---|---|---|---|
| Total protein (%) | 17.9 ±0.09 | 18.4 ±0.12 | 16.9 ±0.10 |
| % of diet energy | 21.0 | 21.4 | 19.1 |
| Crude fat (%) | 3.2 ±0.11 | 3.5 ±0.15 | 3.6 ±0.09 |
| % of diet energy |
|
|
|
| Carbohydrates (%) | |||
| total | 63.1 ±0.55 | 63.9 ±0.19 | 65.8 ±0.48 |
| fiber | 6.0 ±0.15 | 4.4 ±0.21 | 4.4 ±0.13 |
| digested | 57.1 ±0.50 | 59.5 ±0.61 | 61.5 ±0.44 |
| % of diet energy | 70.4 | 69.3 | 71.8 |
| Dry matter (%) | 90.8 ±0.20 | 92.4 ±0.16 | 92.9 ±0.11 |
| Total ash (%) | 6.5 ±0.12 | 6.6 ±0.09 | 6.6 ±0.18 |
| Metabolizable energy | |||
| (kcal/g) | 3.4 ±0.03 | 3.4 ±0.04 | 3.5 ±0.04 |
| (kJ/g) | 14.2 ±0.21 | 14.3 ±0.25 | 14.8 ±0.25 |
| Copper (mg/100 g) | 1.8 ±0.09 | 1.5 ±0.05 | 1.4 ±0.08 |
| Iron (mg/100 g) | 20.1 ±0.71 | 15.6 ±0.61 | 15.8 ±0.68 |
| Manganese (mg/100 g) | 8.0 ±0.45 | 7.6 ±0.49 | 6.7 ±0.51 |
| Selenium (mg/100 g) | 0.04 ±0.001 | 0.03 ±0.001 | 0.03 ±0.001 |
| Zinc (mg/100 g) | 9.2 ±0.52 | 8.6 ±0.49 | 7.8 ±0.61 |