Animal | Total manure (kg/head/day) | Total solid (TS) (kg/head/day) | Biogas yield (m3/kg dry matter) | Carbon/Nitrogen ratio (C/N) | Volatile solids (VS) % fresh manure |
Cow | 20 | 4.0 | 0.20 - 0.50 | 18 - 25 | 13 |
Buffalo | 25 | 4.5 | 0.15 - 0.32 | 18 - 25 | - |
Pigs | 1 - 5 | 0.6 | 0.56 - 0.65 | 13 | 12 |
Sheep | 1.8 | 0.6 | 0.37 - 0.61 | 29 | - |
Poultry | 0.1 | 0.03 | 0.31 - 0.54 | - | 17 |
Horses | 24 | 7.1 | 0.20 - 0.30 | 24 - 25 | - |
Rabbits | 0.2 | 0.1 | 0.36 | - | - |