Table A1.
Experimental variants of the experimental trial.
| Variant | Culture Substrate | Protein Addition |
|---|---|---|
| V1 (C1 A1) | classical (C1) | without protein addition (A1) |
| V2 (C1 A2) | classical (C1) | wheat bran 3% (A2) |
| V3 (C1 A3) | classical (C1) | corn flour 3% (A3) |
| V4 (C2 A1) | synthetic (C2) | without protein addition (A1) |
| V5 (C2 A2) | synthetic (C2) | wheat bran 3% (A2) |
| V6 (C2 A3) | synthetic (C2) | corn flour 3% (A3) |
| V7 (C3 A1) | mixed (C3) | without protein addition (A1) |
| V8 (C3 A2) | mixed (C3) | wheat bran 3% (A2) |
| V9 (C3 A3) | mixed (C3) | corn flour 3% (A3) |
| V10 (C4 A1) | Reed + horse manure (C4) | without protein addition (A1) |
| V11 (C4 A2) | Reed + horse manure (C4) | wheat bran 3% (A2) |
| V12 (C4 A3) | Reed + horse manure (C4) | corn flour 3% (A3) |