Appendix C(ss. 21, 23 and 46)
Methane emission factors by livestock category
Table 1: Maximum methane and solids emission factors by livestock categoryType of livestock operation | Livestock category | Excretion factor (EF) (kg/head or place/day) | Volatile solids (VS) (kg VS / kg excrement) | Maximum potential CH4 production factor (B0) (m3 CH4 / kg VS) |
Cattle | Calf / heifer (0 - 12 months) | 19 | 0.06 | 0.19 |
Dairy heifer (12 - 24 months) | 37 | 0.06 | 0.19 |
Dairy cow | 56.6 | 0.1 | 0.24 |
Feeder cattle | 23 | 0.1 | 0.19 |
Swine | Sow | 8.38 | 0.04 | 0.48 |
Piglet | 1.26 | 0.07 | 0.48 |
Feeder pig | 4.53 | 0.07 | 0.48 |
2023-1010M.O. 2023-1010, App. C.