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Table 3 Faecal particle size distribution (%, on DM basis) in horses with (case) and without (control) FFL in Sweden and Norway (sub-study I), and Germany (sub-study II) for sieve mesh sizes 8, 4, 2, 1 and <  1 mm. Average and standard deviation (SD)

From: Chemical composition and physical characteristics of faeces in horses with and without free faecal liquid – two case-control studies

Group

Sieve mesh size

8 mm

4 mm

2 mm

1 mm

<  1 mm

Case/ Control

Case

Mean

4.0

10.3

20.9

11.5

53.4

SD

2.93

4.95

5.98

8.18

14.50

Control

Mean

3.6

11.0

22.0

11.4

52.1

SD

1.78

5.38

6.23

7.85

15.43

Sub-study

Sub-study I

Mean

4.3

8.1

17.8

5.8

64.0

SD

0.85

1.17

1.11

0.97

1.92

Sub-study II

Mean

3.0

14.6

27.2

20.1

35.4

SD

3.59

6.32

6.35

6.23

8.21

p-value

Case/ Control

 

0.83

0.41

0.30

0.95

0.18

Sub-study

 

0.59

0.05

0.005

< 0.0001

< 0.0001