Table 1.
Feed ingredients and nutrient composition of experiment diets (air dry basis, g/kg).
| Feed ingredients | Corn-soybean meal diets |
Soybean meal-free diets |
||
|---|---|---|---|---|
| Starter (1–21 D post-hatch) | Finisher (22–49 D post-hatch) | Starter (1–21 D post-hatch) | Finisher (22–49 D post-hatch) | |
| Corn | 468 | 511 | 414 | 473 |
| Soybean meal | 233 | 169 | 0.0 | 0.0 |
| Corn umbilicus pulp | 80 | 50 | 234 | 160 |
| Corn protein meal | 60 | 60 | 187 | 152 |
| Soybean oil | 37 | 45 | 35 | 43 |
| Rice bran | 50 | 80 | 50 | 80 |
| Corn DDGS | 30 | 50 | 30 | 50 |
| Limestone | 12.5 | 11.8 | 12.0 | 11.4 |
| Calcium hydrophosphate | 13.5 | 10.0 | 14.2 | 10.5 |
| Sodium chloride | 3.0 | 3.0 | 2.6 | 2.7 |
| DL-methionine | 3.0 | 2.5 | 2.4 | 2.0 |
| L-lysine | 4.9 | 4.6 | 10.0 | 8.4 |
| L-threonine | 1.6 | 1.2 | 2.2 | 1.7 |
| L-arginine | 1.5 | 0.8 | 4.5 | 3.0 |
| Choline chlotide | 0.5 | 0.5 | 0.5 | 0.5 |
| Vitamin mineral premix1 | 1.5 | 1.5 | 1.5 | 1.5 |
| Phytase | 0.1 | 0.1 | 0.1 | 0.1 |
| Nutrient composition2 | ||||
| Metabolizable energy (MJ/kg) | 12.76 | 13.21 | 12.76 | 13.21 |
| Dry matter | 903.5 | 906.3 | 901.8 | 899.6 |
| Crude protein | 216.5 | 196.7 | 218.2 | 197.9 |
| Calcium | 9.6 | 8.1 | 9.5 | 7.8 |
| Total phosphorus | 6.8 | 6.2 | 6.9 | 6.3 |
| Available phosphorus | 3.6 | 3.0 | 3.6 | 3.0 |
| Lysine | 15.1 | 13.6 | 14.6 | 14.2 |
| Methionie | 6.4 | 5.9 | 6.3 | 5.7 |
| Methionie + cystine | 9.5 | 7.9 | 9.3 | 8.3 |
1
Provided per kg diet: VA, 22,500 IU; VB1, 2.5 mg; VB2, 1.5 mg; VB6, 20 mg; VD3, 5,500 IU; VE3, 35 IU; antioxidant, 0.25 mg; pantothenic acid, 5 mg; folic acid, 2 mg; niacin 75 mg; biotin 0.12 mg; Mn, 60 mg; Fe, 44 mg; Zn, 76.5 mg; Cu, 6.8 mg; and K, 10 mg.
2
The metabolizable energy and available phosphorus were calculated values, while the others were determined based on triplicate assays.