Table 1.
Ingredients and composition of the experimental diets1
| Items | Growing 1 | Growing 2 | Finishing | |||
|---|---|---|---|---|---|---|
| Control | HF/LP | Control | HF/LP | Control | HF/LP | |
| Ingredient composition, as-fed basis, % | ||||||
| Corn | 63.09 | 67.69 | 66.17 | 68.74 | 71.74 | 76.38 |
| Soybean meal | 31.96 | 22.01 | 28.00 | 19.00 | 22.59 | 13.70 |
| Wheat bran | 2.00 | 2.00 | 2.88 | 4.00 | 3.00 | 2.00 |
| Soy oil | 4.00 | 4.00 | 4.00 | |||
| Dicalcium phosphate | 0.90 | 1.25 | 0.91 | 1.28 | 0.80 | 1.15 |
| Calcium carbonate | 0.90 | 0.74 | 0.91 | 0.73 | 0.82 | 0.66 |
| Salt | 0.40 | 0.41 | 0.38 | 0.38 | 0.35 | 0.36 |
| Dextrin | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Biolys, 56.6% | 0.72 | 0.70 | 0.66 | |||
| dl-Methionine | 0.09 | 0.09 | 0.08 | |||
| l-Threonine | 0.25 | 0.24 | 0.23 | |||
| l-Tryptophan | 0.09 | 0.09 | 0.08 | |||
| Choline chloride | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Mineral and vitamin premix2 | 0.20 | 0.20 | 0.20 | 0.20 | 0.15 | 0.15 |
| Chemical composition3 | ||||||
| ME, MJ/kg | 13.30 | 14.23 | 13.29 | 14.29 | 13.36 | 14.33 |
| NE, MJ/kg | 8.87 | 9.97 | 9.10 | 10.05 | 8.93 | 10.04 |
| DM, % | 88.0 | 88.5 | 88.0 | 88.4 | 87.9 | 84.4 |
| CP, % | 19.8 | 15.7 | 18.4 | 14.6 | 16.4 | 12.7 |
| Ether extract, % | 3.95 | 7.95 | 4.01 | 8.02 | 4.15 | 8.16 |
| Ash, % | 5.39 | 4.92 | 5.27 | 4.78 | 4.78 | 4.29 |
| Crude fiber, % | 3.89 | 3.34 | 3.89 | 3.35 | 3.77 | 3.21 |
| SID4 Lys calculated, % | 0.98 | 1.10 | 0.85 | 0.94 | 0.73 | 0.82 |
| SID Met calculated, % | 0.28 | 0.32 | 0.25 | 0.28 | 0.21 | 0.24 |
| SID Met + Cys calculated, % | 0.55 | 0.62 | 0.48 | 0.53 | 0.42 | 0.48 |
| SID Thr calculated, % | 0.59 | 0.66 | 0.52 | 0.57 | 0.47 | 0.52 |
| SID Trp calculated, % | 0.18 | 0.20 | 0.15 | 0.17 | 0.13 | 0.15 |
| Ca, % | 0.66 | 0.66 | 0.59 | 0.59 | 0.52 | 0.52 |
| Total P, % | 0.43 | 0.44 | 0.38 | 0.38 | 0.33 | 0.34 |
| Digestible P, calculated, % | 0.23 | 0.23 | 0.20 | 0.20 | 0.17 | 0.17 |
1The diets were control and high-fat/low-crude protein (HF/LP).
2Mineral vitamin supplement (per kg of diet): Vit. A (5.250 UI); Vit. D3 (750 UI); Vit. E (11 UI); Vit. K3 (1.5 mg); Vit. B1 (1 mg); Vit. B2 (2,4 mg); Vit. B6 (1 mg); Niacin (30 mg); Pantothenic acid (8.1 mg); Folic acid (0.53 mg); Biotin (0.05 mg); Vit. B12 (16.5 mcg); Copper (13.5 mg); Iodine (0.19 mg); Manganese (37.5 mg); Selenium (0.15 mg); Zinc (72 mg); Iron (72 mg); and Cobalt (0.19 mg).
3All calculated values were obtained using the EvaPig software program (version 1.3.1.4; INRA, Saint-Gilles, France).
4SID = standardized ileal digestible.