Table 1.
Ingredients and nutrient composition of the basal diet (as fed).
| Item | Starter (1–11 d) | Grower (12–24 d) | Finisher (25–42 d) |
|---|---|---|---|
| Ingredient (g/kg, as fed basis) | |||
| Corn yellow (80 g/kg CP) | 535.9 | 630.0 | 665.7 |
| Soybean meal (440 g/kg CP) | 330.0 | 282.3 | 278.0 |
| Corn gluten meal (600 g/kg CP) | 74.0 | 39.2 | 16.0 |
| Soybean oil | 16.0 | 10.0 | 10.0 |
| DL-Methionine (990 g/kg methionine)1 | 2.3 | 1.6 | 1.3 |
| L-Lysine HCl (760 g/kg Lysin)1 | 3.1 | 1.7 | 1.0 |
| L-Threonine (980 g/kg threonine)1 | 0.5 | 0.0 | 0.0 |
| Dicalcium phosphate (180 g/kg P, 220 g/kg Ca) | 15.3 | 16.3 | 9.0 |
| Limestone flour (388 g/kg Ca) | 13.3 | 10.3 | 10.5 |
| Sodium chloride | 2.8 | 2.6 | 3.0 |
| Sodium bicarbonate | 1.8 | 1.0 | 0.5 |
| Mineral and vitamin premix2 | 5.0 | 5.0 | 5.0 |
| Total | 1,000.0 | 1,000.0 | 1,000.0 |
| Chemical composition (g/kg) | |||
| Metabolizable energy (kcal/kg) | 3,000 | 3,050 | 3,100 |
| Crude protein (analyzed) | 231.20 | 205.20 | 183.70 |
| Calcium (analyzed) | 9.93 | 8.81 | 7.85 |
| Total phosphorus (analyzed) | 8.11 | 7.27 | 6.92 |
| Available phosphorus | 4.80 | 4.37 | 4.10 |
| Sodium (analyzed) | 1.70 | 1.80 | 1.85 |
| Chloride (analyzed) | 2.25 | 2.28 | 2.26 |
| DCAB (mEq/kg)3 | 228 | 219 | 209 |
| Linoleic acid | 12.50 | 15.00 | 15.00 |
| Crude fiber (analyzed) | 49.20 | 46.40 | 43.80 |
| Aflatoxin B1 (μg/kg) | 5.40 | 7.50 | 8.30 |
| Digestible amino acids | |||
| Lysine | 12.30 | 9.70 | 9.00 |
| Methionine | 5.70 | 4.30 | 4.00 |
| Cysteine | 3.20 | 3.00 | 2.60 |
| Methionine + cysteine | 8.90 | 7.30 | 6.60 |
| Threonine | 7.70 | 6.10 | 6.10 |
| Tryptophan | 2.20 | 2.10 | 1.90 |
| Arginine | 13.30 | 10.80 | 11.30 |
1
Degussa Corporation, Kennesaw, GA.
2
Each kilogram of vitamin and trace mineral premix provided: vitamin A, 13,500 IU; vitamin D3, 2,000 IU; vitamin E 30 IU; vitamin K3, 2 mg; vitamin B1, 1 mg; vitamin B2, 6 mg; niacin, 30 mg; pantothenic acid, 12 mg; vitamin B6, 3 mg; vitamin B12, 10 μg; biotin, 0.1 mg; choline chloride, 500 mg; Fe, 50 mg as ferrous sulfate; Cu, 8 mg as copper sulfate; Mn, 80 mg as magnesium oxide; Zn, 60 mg as zinc oxide; I, 0.5 mg as potassium iodate; Co, 0.1 mg as cobalt carbonate; Se, 0.15 mg as selenium premix.
3
DCAB = dietary cation–anion balance.