Table 1.
Ingredient composition and nutrient levels of the basal diets
| Item | 1 to 21 d | 22 to 42 d |
|---|---|---|
| Ingredient (g/kg) | ||
| Maize | 546.5 | 598.5 |
| Soybean meal (48% CP) | 327 | 256 |
| Corn gluten meal (51% CP) | 45 | 55 |
| Soybean oil | 32 | 43 |
| Limestone | 13 | 14 |
| Dicalcium phosphate | 18 | 15 |
| Lysine-HCl | 2.8 | 2.8 |
| DL-methionine | 1.5 | 1.5 |
| Choline chloride | 1.2 | 1.2 |
| Salt | 3 | 3 |
| Premix1 | 10 | 10 |
| Total | 1,000 | 1,000 |
| Nutrient levels2 | ||
| Metabolisable energy (MJ/kg) | 12.44 | 13.11 |
| Crude protein (g/kg) | 220.7 | 200.8 |
| Calcium (g/kg) | 9.9 | 9.35 |
| Total phosphorus (g/kg) | 6.64 | 5.88 |
| Available phosphorus (g/kg) | 4.26 | 3.72 |
| Lysine (g/kg) | 11.9 | 10.42 |
| Methionine (g/kg) | 5.20 | 4.68 |
| Methionine+cystine (g/kg) | 8.89 | 8.08 |
CP, crude protein.
1
Premix provided per kg of diet: vitamin A (transretinyl acetate), 12,000 IU; vitamin D3 (cholecalciferol), 2,500 IU; vitamin E (DL-α-tocopheryl acetate), 30 mg; menadione sodium bisulphite, 2.8 mg; thiamin mononitrate, 2.21 mg; riboflavin, 7.8 mg; nicotinamide, 40 mg; calcium pantothenate, 10 mg; pyridoxine hydrochloride, 4 mg; biotin, 0.04 mg; folic acid 1.2 mg; cyanocobalamin, 0.015 mg; iron (from ferrous sulphate), 80 mg; copper (from copper sulphate), 8 mg; manganese (from manganese sulphate), 110 mg; zinc (from zinc sulphate), 65 mg; iodine (from calcium iodate), 0.35 mg; selenium (from sodium selenite), 0.3 mg.
2
Calculated values.