Table 1.
Composition and nutrient levels of the basal diet of yellow-feathered chickens (air-dry basis, %)
| Ingredients | Contents, % | Calculated nutrient levels2 | Contents, % |
|---|---|---|---|
| Corn | 64.00 | AME (MJ/kg)3 | 11.93 |
| Wheat bran | 4.50 | Crude protein | 19.00 |
| Soybean meal | 21.50 | Calcium | 0.95 |
| Corn gluten meal | 5.50 | Available phosphorus | 0.44 |
| l- Lysine | 0.24 | Lysine | 1.04 |
| dl-Methionine | 0.11 | Methionine | 0.44 |
| Limestone | 1.21 | Threonine | 0.70 |
| Dicalcium phosphate | 1.64 | Tryptophan | 0.17 |
| NaCl | 0.30 | Arginine | 1.09 |
| Premixa | 1.00 | Isoleucine | 0.70 |
| Total | 100.00 |
1Vitamins and minerals in the diet were supplied exactly as stated by the Chinese Feeding Standard of Chicken (2004), which provide the followings per kilogram of diet: vitamin A, 15,000 IU; vitamin D3, 3,300 IU; vitamin E, 20 mg; vitamin K3, 5 mg; thiamin, 3.8 mg; riboflavin, 4.0 mg; pyridoxine, 3.5 mg; cyanocobalamin, 0.01 mg; calcium pantothenic, 10 mg; niacin, 25 mg; folic acid, 0.55 mg; biotin, 0.15 mg; choline chloride, 1,300 mg; Fe, 80 mg; Cu, 7 mg; Mn, 60 mg; Zn, 70 mg; I, 0.35 mg; Se, 0.23 mg. The carrier was corn cob meal.
2Values were calculated from data provided by the Feed Database in China (2016).
3Apparent metabolic energy.