Table 2 Ingredients and nutrient composition of the experimental diets (as-fed basis)
Ingredients, % | 1–21 d | 22–42 d | ||
|---|---|---|---|---|
LFD | HFD | LFD | HFD | |
Corn (8.0% CP) | 61.58 | 49.68 | 66.45 | 54.56 |
Soybean meal (43% CP) | 22.00 | 25.48 | 16.46 | 21.72 |
Corn gluten meal (59% CP) | 10.04 | 7.03 | 10.00 | 6.00 |
Wheat | 1.00 | 9.38 | 1.00 | 8.42 |
Soybean oil | 0.79 | 3.99 | 1.60 | 4.92 |
Limestone | 1.31 | 1.30 | 1.42 | 1.42 |
CaHPO4 | 1.68 | 1.61 | 1.56 | 1.48 |
NaCl | 0.29 | 0.28 | 0.28 | 0.26 |
Lysine (99%) | 0.33 | 0.25 | 0.38 | 0.27 |
Methionine (98%) | 0.13 | 0.15 | 0.07 | 0.10 |
Threonine (98%) | 0.09 | 0.09 | 0.08 | 0.07 |
Choline chloride (50%) | 0.26 | 0.26 | 0.20 | 0.20 |
Vitamin premix1 | 0.30 | 0.30 | 0.30 | 0.30 |
Mineral premix2 | 0.20 | 0.20 | 0.20 | 0.20 |
Nutrient composition | ||||
 Crude protein, % | 21.00 | 21.00 | 19.00 | 19.00 |
 Metabolic energy, kcal/kg | 3,000 | 3,000 | 3,100 | 3,100 |
 Calcium, % | 0.90 | 0.90 | 0.90 | 0.90 |
 Available phosphorus, % | 0.43 | 0.43 | 0.40 | 0.40 |
 Lysine, % | 1.10 | 1.10 | 1.02 | 1.02 |
 Methionine, % | 0.50 | 0.50 | 0.42 | 0.42 |
 Met + Cys, % | 0.85 | 0.85 | 0.74 | 0.74 |
 Threonine, % | 0.90 | 0.90 | 0.80 | 0.80 |
 EE, %3 | 2.22 | 5.40 | 4.79 | 7.65 |
 NFE, % | 52.82 | 49.40 | 54.54 | 51.03 |
 Crude fiber, % | 2.30 | 3.00 | 2.10 | 2.80 |