Animal

Total manure

(kg/head/day)

Total solid (TS)

(kg/head/day)

Biogas yield

(m3/kg dry matter)

Carbon/Nitrogen

ratio (C/N)

Volatile solids (VS) % fresh manure

Cow

20

4.0

0.20 - 0.50

18 - 25

13

Buffalo

25

4.5

0.15 - 0.32

18 - 25

-

Pigs

1 - 5

0.6

0.56 - 0.65

13

12

Sheep

1.8

0.6

0.37 - 0.61

29

-

Poultry

0.1

0.03

0.31 - 0.54

-

17

Horses

24

7.1

0.20 - 0.30

24 - 25

-

Rabbits

0.2

0.1

0.36

-

-