Table 3.
Analyzed nutrient composition of phase 1 (20 to 27 wk of age) diets.
| Item | CON | Ile70 | Ile80 | Ile90 | Ile100 |
|---|---|---|---|---|---|
| Gross energy (kcal/kg) | 3,539 | 3,451 | 3,554 | 3,496 | 3,559 |
| Crude protein (%) | 18.57 | 17.06 | 17.80 | 17.28 | 17.57 |
| SID amino acids (%) | |||||
| Arg | 0.97 | 0.89 | 0.88 | 0.86 | 0.83 |
| Cys | 0.22 | 0.21 | 0.21 | 0.21 | 0.20 |
| His | 0.37 | 0.34 | 0.34 | 0.33 | 0.32 |
| Ile | 0.64 | 0.60 | 0.68 | 0.70 | 0.76 |
| Leu | 1.39 | 1.28 | 1.29 | 1.28 | 1.24 |
| Lys | 0.76 | 0.80 | 0.81 | 0.79 | 0.77 |
| Met | 0.38 | 0.40 | 0.40 | 0.41 | 0.42 |
| Phe | 0.77 | 0.71 | 0.72 | 0.71 | 0.68 |
| Thr | 0.54 | 0.56 | 0.55 | 0.54 | 0.54 |
| Trp | 0.16 | 0.15 | 0.16 | 0.16 | 0.15 |
| Val | 0.72 | 0.71 | 0.71 | 0.71 | 0.69 |
| Met + Cys | 0.58 | 0.58 | 0.58 | 0.59 | 0.59 |
| Calcium (%) | 3.75 | 3.79 | 4.04 | 3.79 | 3.59 |
| Total phosphorus (%) | 0.61 | 0.69 | 0.66 | 0.69 | 0.64 |
Abbreviations: CON, control; SID, standardized ileal digestible.