TABLE 1.
Ingredients and nutrient composition of the experimental diets (as‐fed basis).
| Ingredients (%) | Starter (1–10 days) | Grower (11–24 days) | Finisher (25–42 days) |
|---|---|---|---|
| Corn | 52.39 | 55.75 | 61.02 |
| Soybean meal (44%) | 36.45 | 32.67 | 27.22 |
| Corn gluten meal (62%) | 3.00 | 3.00 | 3.00 |
| Soybean oil | 3.30 | 4.18 | 4.72 |
| Limestone | 1.08 | 0.99 | 0.91 |
| Dicalcium phosphate | 1.97 | 1.75 | 1.55 |
| Common salt | 0.26 | 0.26 | 0.26 |
| Vitamin premix a | 0.25 | 0.25 | 0.25 |
| Mineral premix b | 0.25 | 0.25 | 0.25 |
| l‐Lysine HCl | 0.37 | 0.30 | 0.29 |
| dl‐Methionine | 0.35 | 0.30 | 0.26 |
| l‐Threonine | 0.13 | 0.10 | 0.08 |
| Sodium bicarbonate | 0.16 | 0.16 | 0.16 |
| Choline chloride 60% | 0.04 | 0.04 | 0.04 |
| Nutrient composition (%) | |||
| Metabolizable energy (kcal/kg) | 3000 | 3100 | 3200 |
| Crude protein | 23.00 | 21.50 | 19.50 |
| Calcium | 0.96 | 0.87 | 0.78 |
| Available phosphorus | 0.48 | 0.43 | 0.39 |
| Sodium | 0.16 | 0.16 | 0.16 |
| Lysine | 1.44 | 1.29 | 1.15 |
| Methionine + cystine | 1.08 | 0.99 | 0.90 |
| Threonine | 0.97 | 0.88 | 0.78 |
a
Provided the followings per kg of diet: vitamin A (trans‐retinyl acetate), 12,500 U; vitamin D3 (cholecalciferol), 5000 U; vitamin E (dl‐α‐tocopherol acetate), 80 U; vitamin K (menadione), 3.00 mg; riboflavin, 7.50 mg; pantothenic acid (d‐Ca pantothenate), 17.50 mg; pyridoxine (pyridoxine‐HCl), 4.50 mg; thiamine, 3.00 mg; vitamin B12 (cyanocobalamin), 0.02 mg; biotin, 0.20 mg; folic acid, 2.00 mg; nicotinic acid, 65.00 mg; ethoxyquin (antioxidant), 2.50 mg.
b
Provided the following per kg of diet: Fe, 20.00 mg; Zn, 110.00 mg; Mn, 120.00 mg; Cu, 16.00 mg; I, 1.25 mg; Se, 0.30 mg.