From: The impact of human and livestock respiration on CO2 emissions from 14 global cities
Livestock | BMR (kg O2 yr− 1) | LR l 1 (kg C yr− 1 per head) | Global total production (million head in 2010)2 | References |
---|---|---|---|---|
horses | 813.43 | 305.04 | 59.66 | M. A. Elgar and P. H. Harvey (1987) |
pigs | 103.24 | 19.36 | 974.41 | |
cattle and buffalo | 578.66 | 217.00 | 1603.86 | |
goats | 85.60 | 32.10 | 910.83 | |
sheep | 127.65 | 47.87 | 1076.36 | |
chickens and ducks | 26.95 | 1.25 | 22311.21 | B. M. Freeman (1963) |