Research, Policy and Practice
Table 4 Biogas production from different livestock in sub-Saharan Africa
From: Benefits, concerns and prospects of using goat manure in sub-Saharan Africa
Type of feedstock | Volatile solids per unit dry solids (kg kg−1) | Moisture content of fresh waste (dm3 kg−1) | Biogas production per unit weight of volatile solids (dm3 kg−1) | Total fresh waste produced per head (kg day−1) | Biogas production per unit weight of fresh waste (dm3 kg−1) | Biogas production per head (dm3 d−1) |
|---|---|---|---|---|---|---|
Pork pigs | 0.856 | 0.75 | 380 | 2.30 | 81 | 187 |
Laying hens | 0.85 | 0.75 | 130 | 0.10 | 27 | 3 |
Feedlot sheep | 0.85 | 0.75 | 170 | 0.90 | 36 | 33 |
aGoat | nd | 18–25% | nd | nd | nd | 0.3–0.4b |
Cow (Sudan) | 0.85 | 0.75 | 150 | 9.98 | 32 | 318 |
Feedlot beef cattle | 0.85 | 0.75 | 470 | 16.56 | 100 | 1656 |
Dairy cattle | 0.85 | 0.75 | 470 | 28.00 | 100 | 2800 |
Beef cattle | 0.85 | 0.75 | 470 | 22.50 | 100 | 2250 |