Table 1.
Ingredient composition and nutrient content of the corn–soybean diet used on an as-is basis.
| Feed Ingredients | Stater Phase (d 1 to 7) |
Grower Phase (d 8 to 14) |
Finisher Phase (d 15 to 25) |
|---|---|---|---|
| Ingredients (%) | |||
| Corn | 51.80 | 57.81 | 59.64 |
| Soybean meal | 37.66 | 31.62 | 27.23 |
| DDGS 8.1% EE | 4.00 | 4.00 | 6.00 |
| Poultry fat | 3.24 | 3.44 | 4.38 |
| Limestone | 1.01 | 1.06 | 1.03 |
| Dicalcium phosphate | 1.00 | 0.88 | 0.64 |
| Salt | 0.35 | 0.35 | 0.31 |
| DL-methionine | 0.29 | 0.31 | 0.28 |
| L-lysine HCl | 0.12 | 0.13 | 0.12 |
| Mineral premix b | 0.10 | 0.10 | 0.10 |
| Vitamin premix a | 0.10 | 0.10 | 0.10 |
| L-threonine | 0.08 | 0.09 | 0.09 |
| Choline chloride | 0.06 | 0.06 | 0.05 |
| Sodium bicarbonate | 0.04 | 0.05 | 0.03 |
| Antioxidant c | 0.15 | 0.15 | 0.15 |
| Total | 100 | 100 | 100 |
| Calculated analysis | |||
| ME (kcal/kg) | 3015.00 | 3090.00 | 3175.00 |
| Ether extract (%) | 5.88 | 6.20 | 7.28 |
| Crude protein (%) | 22.30 | 20.00 | 18.70 |
| Lysine (%) | 1.18 | 1.05 | 0.95 |
| Methionine (%) | 0.59 | 0.53 | 0.48 |
| Threonine (%) | 0.77 | 0.69 | 0.65 |
| Tryptophan (%) | 0.25 | 0.22 | 0.20 |
| Total calcium (%) | 0.90 | 0.84 | 0.76 |
| Total phosphorus (%) | 0.63 | 0.58 | 0.53 |
| Available phosphorus (%) | 0.45 | 0.42 | 0.38 |
| Sodium (%) | 0.20 | 0.20 | 0.18 |
| Potassium (%) | 1.06 | 0.94 | 0.87 |
| Chloride (%) | 0.27 | 0.28 | 0.25 |
| Magnesium (%) | 0.19 | 0.18 | 0.17 |
| Copper (%) | 19.20 | 18.46 | 18.85 |
| Selenium (%) | 0.28 | 0.27 | 0.26 |
| Linoleic acid (%) | 1.01 | 1.13 | 1.16 |
a Vitamin premix supplied the following per kg: vitamin A, 20,000,000 IU; vitamin D3, 6,000,000 IU; vitamin E, 75,000 IU; vitamin K3, 9 g; thiamine, 3 g; riboflavin, 8 g; pantothenic acid, 18 g; niacin, 60 g; pyridoxine, 5 g; folic acid, 2 g; biotin, 0.2 g; cyanocobalamin, 16 mg; and ascorbic acid, 200 g (Nutra Blend LLC, Neosho, MO 64850).; b Mineral premix supplied the following per kg: manganese, 120 g; zinc, 100 g; iron, 120 g; copper, 10–15 g; iodine, 0.7 g; selenium, 0.4 g; and cobalt, 0.2 g (Nutra Blend LLC, Neosho, MO 64850); c Ethoxyquin.