Table 2 Implied emission factor, kg CH4 per head per year

Enteric Fermentation

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

1. Cattle

1a. Dairy

126.84

126.81

126.79

127.52

127.61

127.73

129.69

130.52

132.45

134.00

132.97

133.04

131.95

132.83

131.62

129.85

132.48

134.55

137.56

139.87

141.98

143.20

144.36

144.32

147.74

147.62

146.01

146.68

147.81

153.76

154.35

155.98

159.17

159.01

160.79

157.45

161.89

161.00

1b. Non-Dairy

31.22

31.52

31.53

31.79

31.76

32.13

32.76

33.26

33.21

33.44

34.00

33.74

34.37

34.11

34.75

34.79

34.63

35.71

35.89

35.82

37.08

39.02

40.32

41.29

40.65

40.43

40.74

40.64

41.38

42.10

41.46

40.84

40.81

40.70

41.47

41.36

41.29

41.00

3. Sheep

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

6.87

4. Goats

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.46

14.16

14.21

14.25

14.30

14.33

14.33

14.34

14.36

14.37

14.36

14.36

14.38

14.40

14.38

14.39

14.39

14.39

14.39

6. Horses

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

21.81

24.30

24.30

24.30

8. Swine

1.04

1.07

1.07

1.08

1.08

1.09

1.10

1.10

1.08

1.11

1.09

1.12

1.10

1.10

1.14

1.11

1.12

1.14

1.12

1.14

1.08

1.10

1.10

1.12

1.12

1.08

1.11

1.10

1.12

1.12

1.10

1.10

1.09

1.08

1.07

1.05

1.05

1.05

9. Poultry

0.004

0.004

0.003

0.004

0.003

0.004

0.003

0.003

0.003

0.004

0.003

0.004

0.003

0.003

0.003

0.003

0.003

0.003

0.004

0.004

0.004

0.003

0.003

0.004

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

Fur farming

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

Deer

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

11.30

Ostrich

NO

NO

NO

NO

NO

NO

NO

NO

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

0.02

Pheasant

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

0.0003

NA = Not applicable

NO = Not occuring

Updated:

27-02-2024