Revised methane emissions factors and spatially distributed annual carbon fluxes for global livestock

Table 3 Emissions factors (kg CH₄ -animal⁻¹ year⁻¹) as given by IPCC 2006 [4] and as revised resulting from this study

Region	Dairy cow enteric fermentation		Meat and other cattle enteric fermentation		Dairy cow manure management		Meat and other cattle manure management		Swine manure management
Region	IPCC 2006^a	This study^b	IPCC 2006^a	This study^d	IPCC 2006^a	This study^b	IPCC 2006^a	This study^b	IPCC 2006^a	This study^b
US–Canada	128	158.7	53	58.8	53	137.0	1	2.4	12	15
W. Europe	117	130.6	57	46.5	25	31.0	7	9.9	7	6.7
E. Europe	99	92.1	58	56.1	12	4.9	6	4.5	3	6.8
Oceania	90	120.1	60	71.9	29	9.4	2	1.6	13	23.6
Latin America	72	108.6	56	57.9	1	2.0	1	0.8	1	19
E.–S.E. Asia	68	153.2	47	42.4	10	10.1	1	0.4	2	2.7
Africa	46	77.2	31	31.0	1	1.8	1	1^c	1	1^c
S. Asia	58	62.4	27	41.6	5	5.5	2	3	5	5^c

^aIPCC 2006 [4], Chapter 10: Agriculture, supplemental tables
^bCalculated using the updated information presented here in the equations in IPCC 2006 [4], Chapter 10
^cEmissions factors not modified from IPCC 2006 [4] due to sparse information
^d2014 National Inventory Submissions to the UNFCCC, CRF, Table 4. A reported for all non-dairy cattle in year 2012 (US, EU15, Russian Fed., and Australia); or calculated using IPCC 2006 [4] defaults except for revised body weights listed in Table 2

ISSN: 1750-0680