Table 1 Composition, nutrient and energy contents of the experimental diets
| Â | CON | IM5 | IM10 |
|---|---|---|---|
Components, g/kg | |||
 Wheat | 380 | 380 | 380 |
 Barley | 250 | 250 | 250 |
 Soybean extraction meal | 147.8 | 73.9 | – |
 Insect meal | – | 50 | 100 |
 Broad bean | 110 | 110 | 110 |
 Soybean oil | 15.0 | 15.0 | 15.0 |
 Rapseed oil | 4.40 | 2.10 | – |
 Safflower oil | 3.00 | 1.60 | – |
 Corn starch | 3.90 | 3.00 | 1.50 |
 Cellulose | – | 28.0 | 56.5 |
 Mineral and vitamin premixa | 75.0 | 75.0 | 75.0 |
 Monocalcium phosphate | 6.00 | 6.00 | 6.00 |
 Calcium carbonate | 0.70 | 1.10 | 1.60 |
L-lysine | 0.70 | 1.00 | 1.40 |
DL-methionine | – | 0.10 | 0.10 |
L-threonine | 0.20 | 0.10 | – |
L-tryptophan | 0.10 | 0.10 | 0.20 |
L-glutamic acid | 3.20 | 2.60 | 1.90 |
L-cysteine | – | 0.40 | 0.80 |
 Titanium dioxide | 5.00 | 5.00 | 5.00 |
Analyzed crude nutrient and energy content | |||
 Dry matter, % of FM | 87.6 | 87.9 | 88.5 |
 Crude protein, % of DM | 22.2 | 22.7 | 22.8 |
 Crude fat, % of DM | 4.4 | 4.3 | 4.3 |
 Crude ash, % of DM | 5.8 | 5.4 | 5.0 |
 Crude fiber, % of DM | 6.3 | 8.0 | 9.7 |
 Gross energy, MJ/kg DM | 19.5 | 19.3 | 19.6 |