Table 1 Ingredients and nutrient content of the chicken feed used during the trial
|  | Starter (d 1–14) | Grower (d 15–28) | Finisher (d 29–35) |
|---|---|---|---|
Ingredient, % | |||
 Corn | 54.12 | 58.00 | 61.79 |
 Soybean meal | 32.45 | 28.00 | 25.68 |
 Corn gluten meal | 5.00 | 4.00 | 2.50 |
 Soybean oil | 3.00 | 4.62 | 4.50 |
 Flour | 0.90 | 0.90 | 1.05 |
 Calcium hydrogen phosphate | 2.00 | 1.95 | 1.85 |
 Stone powder | 1.00 | 1.00 | 1.07 |
 Sodium chloride | 0.30 | 0.30 | 0.30 |
 L-lysine hydrochloride, 78% | 0.30 | 0.30 | 0.36 |
 DL-Methionine, 98% | 0.25 | 0.25 | 0.19 |
 Threonine | 0.10 | 0.10 | 0.10 |
 Arginine | 0.04 | 0.04 | 0.06 |
 Choline chloride, 50% | 0.20 | 0.20 | 0.20 |
 Broilers—Mineral premixa | 0.20 | 0.20 | 0.20 |
 Broilers—Vitamin premixb | 0.03 | 0.03 | 0.03 |
 Phytase 10,000 | 0.01 | 0.01 | 0.02 |
 Zeolite | 0.10 | 0.10 | 0.10 |
 Total | 100.00 | 100.00 | 100.00 |
Nutrient contentc | |||
 Metabolic energy, Mcal/kg | 2.99 | 3.10 | 3.10 |
 Crude protein, % | 22.39 | 20.12 | 18.5 |
 Lysine, % | 1.29 | 1.17 | 1.14 |
 Methionine, % | 0.61 | 0.57 | 0.48 |
 Cystine, % | 0.93 | 0.86 | 0.75 |
 Threonine, % | 0.92 | 0.83 | 0.77 |
 Calcium, % | 1.08 | 1.05 | 1.03 |
 Available phosphorus, % | 0.44 | 0.42 | 0.40 |