Table 1.
Ingredient composition, nutrient content and particle size distribution of the experimental diets (%, as-fed basis, unless otherwise indicated)
| 11–24 days of age | 25–42 days of age | |||
|---|---|---|---|---|
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|
|
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| W | C | W | C | |
| Ingredient | ||||
| Wheat | 40.0 | - | 40.0 | - |
| Corn | 15.4 | 53.07 | 20.57 | 58.2 |
| Soybean meal | 34.22 | 37.7 | 28.79 | 32.2 |
| Soybean oil | 6.0 | 5.1 | 6.60 | 5.7 |
| Dicalcium phosphate | 1.65 | 1.61 | 1.41 | 1.45 |
| Calcium carbonate | 1.01 | 0.98 | 0.96 | 0.91 |
| Common Salt | 0.17 | 0.22 | 0.16 | 0.20 |
| Sodium bicarbonate | 0.28 | 0.25 | 0.29 | 0.30 |
| L-threonine | 0.12 | 0.08 | 0.10 | 0.06 |
| DL-methionine | 0.37 | 0.32 | 0.33 | 0.30 |
| L-Lysine HCl | 0.28 | 0.17 | 0.27 | 0.18 |
| Vitamin premix1) | 0.25 | 0.25 | 0.25 | 0.25 |
| Mineral premix2) | 0.25 | 0.25 | 0.25 | 0.25 |
| Calculated analysis3) | ||||
| AMEn (kcal/kg) | 3,098 | 3,098 | 3,198 | 3,200 |
| CP | 21.48 | 21.5 | 19.49 | 19.5 |
| Methionine+cystine | 0.99 | 0.99 | 0.91 | 0.91 |
| Lysine | 1.29 | 1.29 | 1.16 | 1.16 |
| Threonine | 0.88 | 0.88 | 0.78 | 0.78 |
| Calcium | 0.87 | 0.87 | 0.79 | 0.79 |
| Available phosphorus | 0.435 | 0.435 | 0.396 | 0.395 |
| Total phosphorus | 0.70 | 0.68 | 0.647 | 0.63 |
| Sodium | 0.18 | 0.17 | 0.18 | 0.18 |
| Determined analysis | ||||
| DM | 91.8 | 92.5 | 91.4 | 92.2 |
| GE (kcal/kg) | 3,980 | 4,013 | 4,026 | 4,048 |
| CP (N×6.25) | 21.07 | 21.0 | 19.04 | 19.01 |
| Ether extract | 7.47 | 7.33 | 8.14 | 8.06 |
| Total ash | 5.67 | 5.86 | 5.26 | 5.47 |
| Calcium | 0.88 | 0.89 | 0.80 | 0.81 |
| Total phosphorus | 0.71 | 0.71 | 0.66 | 0.67 |
| Crude fiber | 3.00 | 3.02 | 2.87 | 2.90 |
| NDF | 12.09 | 11.26 | 11.93 | 10.02 |
| ADF | 5.14 | 5.59 | 4.80 | 5.23 |
| S-NSP | 2.31 | 1.62 | 2.24 | 1.19 |
| I-NSP | 15.22 | 17.14 | 13.99 | 15.87 |
| Particle size distribution | ||||
| Screen size (μm) | ||||
| 1,750 | 3.1 | 3.7 | 3.7 | 4.0 |
| 1,500 | 11.1 | 13.5 | 10.6 | 13.0 |
| 1,000 | 25.2 | 28.2 | 24.2 | 27.9 |
| 500 | 22.1 | 21.4 | 23.0 | 22.2 |
| 250 | 16.4 | 14.7 | 17.3 | 15.4 |
| <250 | 22.1 | 18.5 | 21.2 | 17.5 |
W, wheat-based diet; C, corn-based diet; AMEn, nitrogen-corrected apparent metabolizable energy; CP, crude protein; DM, dry matter; GE, gross energy; NDF, neutral detergent fiber, ADF, acid detergent fiber; S-NSP, soluble non-starch polysaccharides; I-NSP, insoluble NSP.
Provided the following per kilogram of diets: vitamin A, 9,000 IU (retinyl acetate); cholecalciferol, 2,000 IU; vitamin E, 36 IU (dl-α-tocopheryl acetate); vitamin B12, 0.015 mg; menadione, 2 mg; riboflavin, 6.6 mg; thiamine, 1.8 mg; pantothenic acid, 7.3 mg; niacin, 30 mg; folic acid, 1 mg; biotin, 0.1 mg; pyridoxine, 3 mg.
Provided the following per kilogram of diets: manganese (MnSO4•H2O), 75 mg; zinc (ZnO), 85 mg; iron (FeSO4•7H2O), 50 mg; copper (CuSO4•5H2O), 10 mg; selenium (Na2SeO3), 0.2 mg; iodine (Iodized NaCl), 0.8 mg; choline, 250 mg.
According to NRC [23].