Table 1 The ingredient composition and analyzed nutrient levels of diets (as fed basis)
| Â | CON | ESB Plus FM | ESB plus MK | ESB |
|---|---|---|---|---|
Ingredient, % | ||||
 Corn | 44.98 | 43.57 | 42.28 | 40.82 |
 Soybean concentrate protein | 4.00 | 4.00 | 4.00 | 4.00 |
 Dehulled soybean meal | 4.50 | 4.50 | 4.50 | 4.50 |
 Fermented soybean meal | 4.00 | 4.00 | 4.00 | 4.00 |
 Extruded soybean | 4.00 | 4.00 | 4.00 | 4.00 |
 Whey powder | 15.00 | 15.00 | 15.00 | 15.00 |
 Enzymatic soybean | – | 8.50 | 6.70 | 15.20 |
 Milk powder | 10.00 | – | 10.00 | – |
 Fish meal | 4.00 | 4.00 | – | – |
 Sucrose | 5.00 | 5.00 | 5.00 | 5.00 |
 Soybean oil | 1.30 | 3.40 | 0.50 | 2.60 |
 L-Lysine·HCl | 0.49 | 0.60 | 0.49 | 0.61 |
 DL-Methionine | 0.26 | 0.32 | 0.30 | 0.36 |
 L-Threonine | 0.23 | 0.23 | 0.23 | 0.24 |
 L-Tryptophan | 0.06 | 0.07 | 0.05 | 0.06 |
 L-Valine | 0.05 | 0.13 | 0.05 | 0.13 |
 Choline chloride | 0.16 | 0.16 | 0.16 | 0.16 |
 Calcium formate | 0.80 | 0.90 | 1.12 | 1.20 |
 CaHPO4 | 0.10 | 0.45 | 0.55 | 0.90 |
 NaCl | – | 0.10 | – | 0.15 |
 Mineral premixa | 0.20 | 0.20 | 0.20 | 0.20 |
 Vitamin premixb | 0.05 | 0.05 | 0.05 | 0.05 |
 ZnO, 65% | 0.20 | 0.20 | 0.20 | 0.20 |
 Emulsifier | 0.10 | 0.10 | 0.10 | 0.10 |
 Benzoic acid | 0.50 | 0.50 | 0.50 | 0.50 |
 Essential oils | 0.02 | 0.02 | 0.02 | 0.02 |
 Total | 100.00 | 100.00 | 100.00 | 100.00 |
Calculated nutrient levels | ||||
 DE, MJ/kg | 15.09 | 15.09 | 15.08 | 15.08 |
 CP, % | 19.28 | 19.44 | 19.12 | 19.29 |
 Lys, % | 1.50 | 1.50 | 1.49 | 1.50 |
 Met, % | 0.62 | 0.63 | 0.63 | 0.63 |
 Thr, % | 0.93 | 0.93 | 0.93 | 0.93 |
Analyzed nutrient levels | ||||
 GE, MJ/kg | 18.24 | 18.47 | 18.21 | 18.56 |
 CP, % | 19.22 | 20.43 | 19.23 | 20.27 |
 DM, % | 98.62 | 95.61 | 96.70 | 94.91 |
 Total AA, % | 18.41 | 18.02 | 18.40 | 18.17 |
 Lys, % | 1.53 | 1.53 | 1.56 | 1.53 |
 Met, % | 0.53 | 0.56 | 0.54 | 0.53 |
 Thr, % | 1.33 | 1.17 | 1.05 | 1.37 |