Table 4.
Analyzed nutrient composition of phase 2 (28 to 46 wk of age) diets.
| Item | CON | Ile70 | Ile80 | Ile90 | Ile100 |
|---|---|---|---|---|---|
| Gross energy (kcal/kg) | 3,616 | 3,437 | 3,374 | 3,424 | 3,404 |
| Crude protein (%) | 17.0 | 15.6 | 15.0 | 15.0 | 14.9 |
| SID amino acids (%) | |||||
| Arg | 0.94 | 0.83 | 0.79 | 0.81 | 0.79 |
| Cys | 0.21 | 0.19 | 0.19 | 0.19 | 0.19 |
| His | 0.36 | 0.32 | 0.31 | 0.32 | 0.31 |
| Ile | 0.58 | 0.52 | 0.54 | 0.63 | 0.72 |
| Leu | 1.29 | 1.19 | 1.14 | 1.19 | 1.17 |
| Lys | 0.78 | 0.78 | 0.75 | 0.77 | 0.76 |
| Met | 0.40 | 0.39 | 0.38 | 0.39 | 0.39 |
| Phe | 0.76 | 0.69 | 0.66 | 0.67 | 0.66 |
| Thr | 0.53 | 0.51 | 0.49 | 0.53 | 0.51 |
| Trp | 0.17 | 0.15 | 0.15 | 0.15 | 0.15 |
| Val | 0.64 | 0.61 | 0.59 | 0.63 | 0.65 |
| Met + Cys | 0.57 | 0.56 | 0.54 | 0.55 | 0.55 |
| Calcium (%) | 3.55 | 3.92 | 4.28 | 4.06 | 3.78 |
| Total phosphorus (%) | 0.61 | 0.67 | 0.68 | 0.69 | 0.63 |
Abbreviations: CON, control; SID, standardized ileal digestible.