Table 1.
Ingredients and chemical-nutritional characteristics of the basal diets fed to White Pekin ducks during the starter (1–35 days of age) and the finisher (36–56 days) periods.
| Ingredients (kg/ton) | Starter Diets | Finisher Diets | ||
|---|---|---|---|---|
| Yellow corn | 564.0 | 564.0 | 680.0 | 680.0 |
| Soybean meal, 44% | 383.0 | 383.0 | 267.0 | 267.0 |
| Dicalcium phosphate | 20.0 | 20.0 | 20.0 | 20.0 |
| Sunflower oil | 15.0 | 15.0 | 15.0 | 15.0 |
| Limestone | 10.0 | 9.58 | 10.0 | 9.58 |
| Zinc Oxide | 0.0 | 0.420 | 0.0 | 0.420 |
| Salt | 3.0 | 3.0 | 3.0 | 3.0 |
| Vit+Min premix * | 3.0 | 3.0 | 3.0 | 3.0 |
| DL-methionine | 1.0 | 1.0 | 1.0 | 1.0 |
| Antifungal | 1.0 | 1.0 | 1.0 | 1.0 |
| Composition (calculated values) | ||||
| Metabolizable energy, MJ/kg | 12.05 | 12.05 | 12.60 | 12.60 |
| Methionine, g/kg | 4.4 | 4.4 | 3.9 | 3.9 |
| Methionine + Cysteine (SSA), g/kg | 7.9 | 7.9 | 6.9 | 6.9 |
| Lysine g/kg | 11.8 | 11.8 | 9.0 | 9.0 |
| Calcium g/kg | 9.5 | 9.5 | 9.2 | 9.2 |
| Available phosphorous g/kg | 4.5 | 4.5 | 4.3 | 4.3 |
| Composition (measured values) | ||||
| Dry matter, g/kg | 894.1 | 894.1 | 897.5 | 897.5 |
| Crude protein, g/kg | 212.6 | 212.6 | 173.6 | 173.6 |
| Ether extract, g/kg | 42.1 | 42.1 | 43.8 | 43.8 |
| Crude fiber, g/kg | 46.1 | 46.1 | 46.2 | 46.2 |
| Ash, g/kg | 77.0 | 77.0 | 78.4 | 78.4 |
| Nitrogen free extract, g/kg | 593.3 | 593.3 | 633.9 | 633.9 |
| Zn, ppm | 26.0 | 26.0 | 26.0 | 26.0 |
* Vit + Min Premix provides the following (per kg of diet): Vitamin A, 1800 mg retinol; Vitamin E, 6.67 mg d-alpha-tocopherol; menadione, 2.5 mg; Vit D3, 50 mcg cholecalciferol; riboflavin, 2.5 mg; Ca pantothenate, 10 mg; nicotinic acid, 12 mg; choline chloride, 300 mg; vitamin B12, 4 mcg; vitamin B6, 5 mg; thiamine, 3 mg; folic acid, 0.50 mg; biotin 0.2 mg; Mn, 80 mg; Fe, 40 mg; Cu, 4 mg; Se, 0.10 mg.