Table 1.
Broiler feed composition.
| Ingredients (%, unless otherwise specified) | Starter (day 8–21) | Finisher (day 22–36) |
|---|---|---|
| Yellow maize | 54.1 | 62.7 |
| Palm oil | 2.10 | 2.10 |
| Soybean meal | 40.0 | 31.7 |
| DL-methionine | 0.19 | 0.19 |
| Bentonite | 0.75 | 0.75 |
| Limestone | 0.75 | 0.75 |
| Monocalcium phosphate | 1.30 | 1.05 |
| Premi×1 | 0.34 | 0.34 |
| Chlorine chloride | 0.07 | 0.07 |
| Salt | 0.40 | 0.40 |
| Nutritional compositions | ||
| ME (kcal/kg)2 | 2,900 | 3,004 |
| Crude protein, % | 22.0 | 19.0 |
| Crude fiber, % | 5.50 | 5.62 |
| Ca, % | 1.04 | 0.96 |
| P (available), % | 0.57 | 0.54 |
| Met, % | 0.52 | 0.48 |
| Lys, % | 1.18 | 0.98 |
1Each kg of feed contained 1,100 mg Zn, 1,000 mg Mn, 75 mg Cu, 850 mg Fe, 4 mg Se, 19 mg I, 6 mg Co, 1,225 mg K, 1,225 mg Mg, 1,250,000 IU vit A, 250,000 IU vit D3, 1,350 g pantothenic acid, 1,875 g vit E, 250 g vit K3, 250 g vit B1, 750 g vit B2, 500 g vit B6, 2,500 mg vit B12, 5,000 g niacin, 125 g folic acid and 2,500 mg biotin, 2ME (metabolizable energy) was calculated based on the formula of Bolton [12]: 40.81 {0.87 [crude protein + 2.25 crude fat + nitrogen-free extract] + 2.5}