Table 2.
The content of nutrients in final diet (BR3).
| Components | C | HS0.7 | HSA0.7 |
|---|---|---|---|
| Corn grain, % | 44 | 43.7 | 43.7 |
| Wheat grain, % | 26.2 | 25.8 | 25.8 |
| Soybean meal, % | 20 | 20 | 20 |
| Dehulled sunflower meal, % | 4 | 4 | 4 |
| Rapeseed oil, % | 0 | 0 | 0 |
| Lard, % | 2 | 2 | 2 |
| Limestone, % | 0.95 | 0.95 | 0.95 |
| Monocalcium phosphate, % | 1.6 | 1.6 | 1.6 |
| Salt, % | 0.25 | 0.25 | 0.25 |
| Amino acids, vitamins, trace elements, % | 1 | 1 | 1 |
| Dietary natural humic substances, % | - | 0.7 | - |
| Acidified humic substances, % | - | - | 0.7 |
| Dry matter, g/kg | 1000.00 | 1000.00 | 1000.00 |
| Crude protein, g/kg | 208.07 | 207.70 | 207.91 |
| Crude fat, g/kg | 52.20 | 51.20 | 51.77 |
| Crude fibre, g/kg | 45.05 | 45.90 | 46.60 |
| Starch, g/kg | 497.52 | 487.53 | 487.26 |
| Ca, g/kg | 7.76 | 8.70 | 8.80 |
| P, g/kg | 5.15 | 5.18 | 5.53 |
| Metabolisable energy, MJ/kg | 13.87 | 13.66 | 13.68 |
C: control group; HS0.7: broilers’ diet supplemented with 0.7% of dietary natural HS; HSA0.7: broilers’ diet supplemented with 0.7% of HS acidified with formic acid.