Table 1.
Feed composition of the experimental diets from 0 to 28 days of age1)
| Items | Starter (0 to 7 d) | Grower (8 to 21 d) | Finisher (22 to 28 d) |
|---|---|---|---|
| Ingredients (%) | |||
| Corn grain | 38.97 | 45.87 | 39.68 |
| Wheat grain | 15.00 | 15.00 | 25.00 |
| Soybean meal (42.6% CP) | 32.00 | 25.60 | 20.60 |
| Corn gluten | 3.00 | 2.64 | 3.00 |
| Meat and bone meal | 2.00 | 2.00 | 2.50 |
| Animal fat | 4.00 | 3.88 | 4.54 |
| Salt | 0.25 | 0.25 | 0.25 |
| Tricalcium phosphate | 1.30 | 1.04 | 0.86 |
| Limestone | 1.26 | 1.22 | 1.26 |
| Sodium bicarbonate | 0.00 | 0.02 | 0.00 |
| L-threonine | 0.12 | 0.16 | 0.16 |
| Lysine | 1.23 | 1.43 | 1.32 |
| DL-methionine | 0.33 | 0.34 | 0.29 |
| Choline chloride (50.0%) | 0.03 | 0.03 | 0.03 |
| Premix2) | 0.20 | 0.20 | 0.20 |
| Phytase | 0.05 | 0.05 | 0.05 |
| Anti-coccidia | 0.01 | 0.01 | 0.01 |
| Calculated nutrients (%) | |||
| Crude protein | 23.00 | 20.50 | 19.50 |
| Crude fat | 6.31 | 6.36 | 6.90 |
| Crude fiber | 3.01 | 2.80 | 2.68 |
| Crude ash | 5.99 | 5.34 | 5.02 |
| Calcium | 1.01 | 0.90 | 0.86 |
| Available phosphorus | 0.60 | 0.53 | 0.49 |
| Digestible lysine | 1.43 | 1.24 | 1.09 |
| Digestible methionine+cystine | 1.07 | 0.95 | 0.86 |
| Copper (ppm) | 82.21 | 81.04 | 80.78 |
| Zinc (ppm) | 100.27 | 96.63 | 97.33 |
| Metabolizable energy (kcal/kg) | 3,050 | 3,150 | 3,200 |
1)
Nonghuyp Feed Inc. (Seoul, Korea).
2)
Trace minerals and vitamins provided per kilogram of premix: vitamin A, 12,000,000 IU; vitamin D3, 3,000,000 IU; vitamin E, 40,000 IU; vitamin K3, 2,000 IU; vitamin B1, 2,000 mg; vitamin B2, 5,000 mg; vitamin B6, 3,000 mg; vitamin B12, 20 mg; niacin, 40,000 mg; pantothenic acid, 10,000 mg; folic acid, 1,000 mg, iron, 88,000 mg; copper, 72,600 mg; zinc, 60,000 mg; manganese, 66,000 mg; iodine, 990 mg; selenium, 220 mg; cobalt, 330 mg.