Table 1.
Ingredient composition of the starter and grower–finisher broiler chicken diets on an as-fed basis (Experiments 1 and 2).
| Ingredients (%) | Experiment 1 | Experiment 2 | ||
|---|---|---|---|---|
| Starter Diet (0–21 d) | Grower–Finisher Diet (22–38 d) | Starter Diet (0–21 d) | Grower–Finisher Diet (22–38 d) | |
| Wheat | 36.55 | 46.84 | 36.64 | 45.92 |
| Soybean meal 47% | 29.43 | 21.09 | 30.46 | 24.25 |
| Corn | 9.71 | - | 9.71 | - |
| Barley | 9.71 | 15.58 | 8.33 | 15.76 |
| Extruded full-fat soybean | 4.76 | - | 4.73 | - |
| Added fats 1 | 3.00 | 3.00 | 3.00 | 3.00 |
| Rapeseed meal 00 | - | 3.42 | - | 3.41 |
| Sunflower meal 28% | - | 2.44 | - | - |
| Sepiolite | 1.93 | 1.90 | 2.03 | 2.03 |
| Palm oil | - | 1.50 | - | 1.51 |
| Calcium carbonate | 1.19 | 1.08 | 1.16 | 1.00 |
| Monocalcium phosphate | 0.97 | 0.57 | 0.93 | 0.48 |
| Trace minerals/vitamin premix 2 | 1.15 | 1.01 | 1.44 | 1.17 |
| Titanium dioxide | 0.50 | 0.50 | 0.50 | 0.50 |
| Salt | 0.30 | 0.23 | 0.30 | 0.23 |
| L-lysine | 0.30 | 0.35 | 0.28 | 0.28 |
| DL-methionine | 0.28 | 0.21 | 0.28 | 0.22 |
| L-threonine | 0.08 | 0.09 | 0.07 | 0.07 |
| Sodic bicarbonate | 0.07 | 0.12 | 0.07 | 0.11 |
| Clorure choline 75% | 0.07 | 0.07 | 0.07 | 0.06 |
1 Soybean oil and soybean lecithin high in free fatty acids and monounsaturated acid oil in different blending proportions. 2 Provides per kg feed: Vitamin A (from retinol), 13,500 IU; vitamin D3 (from cholecalciferol), 4800 IU; vitamin E (from alfa-tocopherol), 49.5 IU; vitamin B1, 3 mg; vitamin B2, 9 mg; vitamin B6, 4.5 mg; vitamin B12, 16.5 µg; vitamin K3, 3 mg; calcium pantothenate, 16.5 mg; nicotinic acid, 51 mg; folic acid, 1.8 mg; biotin, 30 µg; Fe (from FeSO4·7 H2O), 54 mg; I [from Ca(I2O3)2], 1.2 mg; Co (from 2 CoCO3·3 Co(OH)2·H2O), 0.6 mg; Cu (from CuSO4·5 H2O), 12 mg; Mn (from MnO), 90 mg; Zn (from ZnO), 66 mg; Se (from Na2SeO3), 0.18 mg; Mo [from (NH4)6Mo7O24], 1.2 mg; organic acids (starter diets at 4 g/kg; grower–finisher diets at 3 g/kg); β-glucanase 350 IU; xylanase 1125 IU.