Table 1. Methane emission factors from enteric fermentation and manure of ruminants (kg/head/yr)

Livestock			2023 Applied emission factor	Source of emission factor
Hanwoo	Female	< 1 year old	45	Country-Specific Emission Factor (approved in 2018)
		> 1 year old	53
	Male	< 1 year old	43
		> 1 year old	61
Dairy cattle	< 1 year old		33	Country-Specific Emission Factor (approved in 2020)
	1–2 years old		83
	> 2 years old		139
Beef cattle			53	2006 IPCC Emission Factor
Sheep, goat			5	2006 IPCC Emission Factor
Dairy cattle	Manure emission factors		58	2006 IPCC Default (North America)
Hanwoo, beef cattle	Manure emission factors		1	2006 IPCC Default (North America)