Table 1 Water activity and dry matter content of the tested organic materials

 Wood granulate

0.70

85.80

 Wood shavings

0.60

86.81

 Sawdust

0.55

89.79

 Millings

0.36

98.58

 Flax straw

0.65

85.70

 Wheat, rye, triticale straw meal

0.52

87.91

 Alfalfa hay

0.53

88.45

 Rye straw meal

0.48

88.29

 Hemp straw

0.61

86.85

 Hay (from farm)

0.59

85.61

 Wheat straw (from farm)

0.61

86.78

 Compressed straw cylinder

0.42

89.17

 Straw pellets

0.53

90.26

 Hay pellets

0.41

90.92

 Miscanthus cylinder

0.51

91.00

 Beet pulp with molasses

0.50

93.76

 Maize pellets

0.54

93.56

 Peat

0.95

31.83

 Lick block

n.a. ^a

n.a. ^a

 Lignocellulose

0.59

88.48

 Maize silage

0.94

27.13