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Table 6 Comparison of self-evaluations by the farmers to the results of the biosecurity check

From: Biosecurity measures for the prevention of African swine fever on German pig farms: comparison of farmers’ own appraisals and external veterinary experts’ evaluations

Production type

Biosecurity subset

Self-evaluation compared to checklist evaluation

Missing values

Higher than checklist

Equal to checklist

Lower than checklist

N

%

N

%

N

%

N

%

Farrow-to-finish farms

Fence

14

29.79

5

10.64

25

53.19

3

6.38

Building structure and pig pastures

42

89.36

2

4.26

3

6.38

0

0

Pathways/vehicle hygiene

24

51.06

0

0

13

27.66

10

21.28

Loading ramps

28

59.57

6

12.77

10

21.28

3

6.38

Feed silos

34

72.34

1

2.13

12

25.53

0

0

Storage of enrichment materials

35

74.47

0

0

12

25.53

0

0

Shoe hygiene

22

46.81

5

10.64

15

31.91

5

10.64

Anteroom

8

17.02

6

12.77

28

59.57

5

10.64

Rodent control

35

74.47

2

4.26

5

10.64

5

10.64

Piglet-producing farms

Fence

8

29.63

2

7.41

15

55.56

2

7.41

Building structure and pig pastures

27

100.00

0

0

0

0

0

0

Pathways/vehicle hygiene

9

33.33

4

14.81

6

22.22

8

29.63

Loading ramps

22

81.48

1

3.70

3

11.11

1

3.70

Feed silos

19

70.37

0

0

8

29.63

0

0

Storage of enrichment materials

23

85.19

0

0

0

0

4

14.81

Shoe hygiene

14

51.85

1

3.70

8

29.63

4

14.81

Anteroom

3

11.11

2

7.41

20

74.07

2

7.41

Rodent control

22

81.48

0

0

4

14.81

1

3.70

Fattening pig farms

Fence

8

21.05

4

10.53

24

63.16

2

5.26

Building structure and pig pastures

21

55.26

3

7.89

10

26.32

4

10.53

Pathways/vehicle hygiene

23

60.53

2

5.26

3

7.89

10

26.32

Loading ramps

28

73.68

5

13.16

5

13.16

0

0

Feed silos

29

76.32

0

0

8

21.05

1

2.63

Storage of enrichment materials

32

84.21

1

2.63

3

7.89

2

5.26

Shoe hygiene

14

36.84

7

18.42

13

34.21

4

10.53

Anteroom

6

15.79

8

21.05

18

47.37

6

15.79

Rodent control

24

63.16

1

2.63

13

34.21

0

0

Outdoor farms

Fence

8

50.00

7

43.75

1

6.25

0

0

Building structure and pig pastures

4

25.00

7

43.75

5

31.25

0

0

Pathways/vehicle hygiene

10

62.50

3

18.75

0

0

3

18.75

Loading ramps

14

87.50

2

12.50

0

0

0

0

Feed silos

16

100.00

0

0

0

0

0

0

Storage of enrichment materials

5

31.25

0

0

9

56.25

2

12.50

Shoe hygiene

6

37.50

4

25.00

6

37.50

0

0

Anteroom

3

18.75

4

25.00

8

50.00

1

6.25

Rodent control

11

68.75

1

6.25

3

18.75

1

6.25