Table 2.
Nutrient composition of experimental diets for weaning piglets (as-fed basis)
| Items | Basal diets | |||
|---|---|---|---|---|
|
| ||||
| Pre-starter I | Pre-starter II | Starter I | Starter II | |
| Calculated values (%) | ||||
| Metabolizable energy (kcal/kg) | 3,600 | 3,550 | 3,500 | 3,450 |
| SID lysine | 1.35 | 1.30 | 1.25 | 1.20 |
| SID methionine+cystine | 0.78 | 0.75 | 0.70 | 0.67 |
| SID threonine | 0.84 | 0.82 | 0.79 | 0.78 |
| SID tryptophan | 0.27 | 0.26 | 0.25 | 0.24 |
| SID valine | 0.63 | 0.64 | 0.68 | 0.73 |
| Analyzed values (%) | ||||
| Crude protein | 18.95 | 18.76 | 19.46 | 19.30 |
| Ether extract | 6.73 | 7.99 | 6.87 | 5.84 |
| Crude fiber | 1.73 | 1.67 | 1.99 | 2.16 |
| ADF | 2.28 | 3.32 | 4.40 | 2.96 |
| NDF | 6.89 | 6.56 | 8.47 | 8.99 |
| Ash content | 4.65 | 4.37 | 4.34 | 4.23 |
| Total calcium | 0.68 | 0.68 | 0.63 | 0.70 |
| Total phosphorus | 0.58 | 0.52 | 0.55 | 0.52 |
| Lactose | 12.70 | 10.81 | 7.57 | - |
SID, standardized ileal digestible; ADF, acid detergent fiber; NDF, neutral detergent fiber.