Table 1.
Feed compositions of starter and grower diets with different crude protein levels
| Ingredients % | Starter |
|
Grower |
||||||
|---|---|---|---|---|---|---|---|---|---|
| T11 | T2 | T3 | T4 | T1 | T2 | T3 | T4 | ||
| Corn | 47.13 | 47.10 | 49.03 | 49 | 49.7 | 49.67 | 51.9 | 51.87 | |
| Soybean meal | 42 | 42 | 36.01 | 36.01 | 29.5 | 29.5 | 24.6 | 24.6 | |
| Palm oil | 6 | 6 | 6 | 6 | 6.5 | 6.5 | 6.4 | 6.4 | |
| Wheat bran | 0.8 | 0.8 | 4.76 | 4.76 | 10.3 | 10.3 | 13.08 | 13.08 | |
| L-lysin | 0 | 0 | 0.1 | 0.1 | 0 | 0 | 0 | 0 | |
| DL-Methionie | 0.19 | 0.19 | 0.22 | 0.22 | 0.11 | 0.11 | 0.13 | 0.13 | |
| Mono calcium phos. | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.8 | 1.8 | |
| CaCO3 | 1.6 | 1.6 | 1.6 | 1.6 | 1.7 | 1.7 | 1.7 | 1.7 | |
| Salt | 0.28 | 0.28 | 0.28 | 0.28 | 0.29 | 0.29 | 0.29 | 0.29 | |
| Vitamin permix2 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | |
| Mineral permix3 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | |
| Putrescine | 0 | 0.03 | 0 | 0.03 | 0 | 0.03 | 0 | 0.03 | |
| Analysis results | |||||||||
| ME (kcal/kg) | 3132 | 3132 | 3132 | 3132 | 3132 | 3132 | 3132 | 3132 | |
| Crude protein (calculated) (%) | 22 | 22 | 20 | 20 | 18.9 | 18.9 | 16.5 | 16.5 | |
| Ether extract (%) | 7.99 | 7.99 | 8 | 8 | 8.4 | 8.4 | 8.3 | 8.3 | |
| Crude fiber (%) | 4.18 | 4.18 | 4.11 | 4.11 | 4.1 | 4.1 | 4 | 4 | |
| Calcium (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Total P (%) | 0.82 | 0.82 | 0.82 | 0.82 | 0.81 | 0.81 | 0.81 | 0.81 | |
| Available P (%) | 0.45 | 0.45 | 0.46 | 0.46 | 0.45 | 0.45 | 0.45 | 0.45 | |
| Arg (%) | 1.57 | 1.57 | 1.38 | 1.38 | 1.17 | 1.17 | 1.01 | 1.01 | |
| Lys (%) | 1.29 | 1.29 | 1.23 | 1.23 | 1 | 1 | 0.89 | 0.89 | |
| Met+Cys (%) | 0.89 | 0.89 | 0.87 | 0.87 | 0.7 | 0.7 | 0.68 | 0.68 | |
| Met. (%) | 0.54 | 0.54 | 0.54 | 0.54 | 0.4 | 0.4 | 0.41 | 0.41 | |
| Thr (%) | 0.87 | 0.87 | 0.77 | 0.77 | 0.66 | 0.66 | 0.58 | 0.58 | |
| Trp (%) | 0.29 | 0.29 | 0.26 | 0.26 | 0.22 | 0.22 | 0.19 | 0.19 | |
| Putrescine4 (%) | 0.06 | 0.09 | 0.06 | 0.09 | 0.06 | 0.09 | 0.06 | 0.09 | |
1
T1 and T3 were normal and low CP diets, respectively. T2 and T4 were normal and low CP diets supplemented with 0.03% put, respectively.
2
Supplied per kg of diet: Vitamin A, 1,500 IU; cholecalciferol, 200 IU; vitamin E, 10 IU; riboflavin, 3.5 mg; pantothenic acid, 10 mg; niacin, 30 mg; cobalamin, 10 μg; choline chloride, 1,000 mg; biotin, 0.15 mg; folic acid, 0.5 mg; thiamine 1.5 mg; pyridoxine 3.0 mg.
3
Supplied per kg of diet: Copper, 8 mg; selenium, 0.15 mg; iron, 80 mg; zinc, 40 mg; manganese, 60 mg; iodine, 0.18 mg.
4
Putrescine content of corn and soybean meal samples were analyzed and in average PUT content of corn = 1 mg/g and soybean meal = 0.3 mg/g