Table 1 Composition and nutrient levels of experimental diets for 1–21 d (as-fed basis)
Ingredients, % | Dietary treatments | ||
|---|---|---|---|
| Â | PC | NC | NCL |
Corn (8.5% CP) | 67.83 | 67.83 | 67.83 |
Soybean meal (43% CP) | 16.86 | 16.86 | 16.86 |
Corn gluten meal (60% CP) | 8.00 | 8.00 | 8.00 |
Wheat bran | 0.77 | 0.77 | 0.77 |
Filler | 0.53 | - | 0.27 |
Limestone | 1.23 | 1.23 | 1.23 |
CaHPO4 | 1.88 | 1.88 | 1.88 |
NaCl | 0.30 | 0.30 | 0.30 |
L-Lys·HCl (99%) | 0.54 | 0.54 | 0.54 |
DL-Methionine (99%) | 0.17 | 0.17 | 0.17 |
L-Threonine (99%) | 0.11 | 0.11 | 0.11 |
L-Arginine (99%) | 0.50 | - | - |
L-Citrulline (99%) | - | - | 0.50 |
L-Alanine (99%) | 0.78 | 1.80 | 1.04 |
Choline chloride (50%) | 0.26 | 0.26 | 0.26 |
Vitamin premix | 0.05 | 0.05 | 0.05 |
Mineral premix | 0.20 | 0.20 | 0.20 |
Calculated nutrient levels | Â | Â | Â |
  Crude protein, % | 20.5 | 20.5 | 20.5 |
  Metabolizable energy, MJ/kg | 12.55 | 12.55 | 12.55 |
Analyzed nutrient levels, % | Â | Â | Â |
 Crude protein | 20.77 | 20.70 | 20.82 |
 Dry matter | 90.77 | 91.15 | 91.50 |
 Crude fat | 4.71 | 4.35 | 4.18 |
 Ash | 5.20 | 6.06 | 5.47 |
 Calcium | 1.03 | 1.23 | 1.09 |
 Total phosphorus | 0.66 | 0.68 | 0.69 |
 Aspartate | 1.06 | 1.03 | 1.08 |
 Threonine | 0.80 | 0.74 | 0.75 |
 Serine | 0.70 | 0.70 | 0.74 |
 Glutamine | 2.38 | 2.38 | 2.50 |
 Glycine | 0.47 | 0.45 | 0.47 |
 Alanine | 1.33 | 1.96 | 1.46 |
 Cysteine | 0.12 | 0.12 | 0.13 |
 Valine | 0.59 | 0.59 | 0.61 |
 Methionine | 0.19 | 0.17 | 0.22 |
 Isoleucine | 0.53 | 0.52 | 0.54 |
 Leucine | 1.42 | 1.44 | 1.50 |
 Tyrosine | 0.38 | 0.36 | 0.41 |
 Phenylalanine | 0.73 | 0.72 | 0.76 |
 Lysine | 0.95 | 0.93 | 0.94 |
 Histidine | 0.38 | 0.37 | 0.39 |
 Arginine | 1.21 | 0.68 | 0.73 |
 Proline | 0.86 | 0.86 | 0.90 |