Table 1.
Experimental diets*.
| Ingredients |
Starter 1–10 days (%) |
Grower 11–20 days (%) |
Finisher I 21–42 days (%) |
Finisher II 43–57 days (%) |
|---|---|---|---|---|
| Yellow corn 7.4% | 45.46 | 52.68 | 60.30 | 62.29 |
| Soybean meal, 44% | 42.52 | 34.62 | 27.04 | 25.43 |
| Proplus | 4.73 | 6.13 | 6.04 | 5.86 |
| Poultry fat | 4.00 | 4.00 | 4.00 | 4.00 |
| Limestone | 0.31 | 0.04 | ||
| Dicalcium phosphate | 1.11 | 0.79 | 0.71 | 0.60 |
| Salt | 0.54 | 0.46 | 0.46 | 0.44 |
| Methionine 98.5% | 0.43 | 0.40 | 0.46 | 0.38 |
| Lysine | 0.23 | 0.24 | 0.40 | 0.33 |
| Choline chloride-60 | 0.15 | 0.15 | 0.15 | 0.15 |
| Vitamin premix2 | 0.10 | 0.10 | 0.10 | 0.10 |
| Mineral premix2 | 0.10 | 0.10 | 0.10 | 0.10 |
| Threonine 98% | 0.23 | 0.20 | 0.26 | 0.23 |
| Selenium premix 0.06% | 0.02 | 0.02 | ||
| Monsanto Santoquin ethoxyquin | 0.02 | 0.02 | 0.02 | 0.02 |
| Mold curb | 0.05 | 0.05 | 0.05 | 0.05 |
| Calculated composition | ||||
| True Metabolizable energy (Kcal/kg) | 3,000 | 3,100 | 3,191 | 3,215 |
| Crude protein | 26.4 | 24 | 21.12 | 20.38 |
| Crude fat | 6.88 | 7.61 | 7.31 | 7.33 |
| Calcium | 1 | 0.90 | 0.9 | 0.85 |
| Phosphorous, non-phytate | 0.5 | 0.48 | 0.45 | 0.45 |
| Digestible arginine | 1.65 | 1.46 | 1.24 | 1.18 |
| Digestible lysine | 1.46 | 1.29 | 1.18 | 1.14 |
| Digestible methionine | 0.755 | 0.69 | 0.66 | 0.63 |
| Digestible methionine and cysteine | 1.08 | 0.98 | 0.92 | 0.88 |
| Digestible leucine | 1.88 | 1.71 | 1.52 | 1.48 |
| Digestible isoleucine | 0.99 | 0.87 | 0.73 | 0.70 |
| Digestible threonine | 1.08 | 0.96 | 0.91 | 0.86 |
| Digestible valine | 1.07 | 0.96 | 0.83 | 0.80 |
| Analyzed composition | ||||
| Crude protein, % | 25.3 | 23.2 | 20.4 | 19.9 |
| Calcium, % | 1.09 | 1.05 | 0.94 | 0.83 |
| Total phosphorus, % | 0.72 | 0.71 | 0.69 | 0.64 |
*
Supplies per kilogram of diet: antioxidant, 200 mg; retinyl acetate, 21 mg; cholecalciferol, 110 μg; D-α-tocopherol acetate, 132 mg; menadione, 6 mg; riboflavin, 15.6 mg; D-calcium pantothenate, 23.8 mg; niacin, 92.6 mg; folic acid, 7.1 mg; cyanocobalamin, 0.032 mg; pyridoxine, 22 mg; biotin, 0.66 mg; thiamine, 3.7 mg; choline chlorine, 1,200 mg; Mn, 100 mg; Mg, 27 mg; Zn, 100 mg; Fe, 50 mg; Cu, 10 mg; I, 1 mg; Se, 200 μg.