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Table 2 Implementation of biosecurity measures at different farm sites of farrow-to-finish farms

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

Biosecurity subset

Score

At main site

Next to main site

At separate site

At leased farm site

Outdoor farm site

All

n

%

n

%

n

%

n

%

n

%

n

%

Farrow-to-finish farms (n = 47)

Perimeter fence

0

10

38.46

2

66.67

4

33.33

4

80.00

0

0

20

42.55

1

3

11.54

0

0

3

25.00

0

0

0

0

6

12.77

2

13

50.00

1

33.33

5

41.67

1

20.00

1

100.00

21

44.68

 − 99

0

0

0

0

0

0

0

0

0

0

0

0

Building structure

0

0

0

0

0

0

0

0

0

0

0

0

0

1

9

34.62

0

0

1

8.33

1

20.00

1

100.00

0

0

2

17

65.38

3

100.00

11

91.67

4

80.00

0

0

12

25.53

 − 99

0

0

0

0

0

0

0

0

0

0

35

74.47

Pathways/vehicle hygiene

0

5

19.23

0

0

1

8.33

3

60.00

1

100.00

10

21.28

1

5

19.23

2

66.67

6

50.00

1

20.00

0

0

14

29.79

2

15

57.69

1

33.33

5

41.67

1

20.00

0

0

22

46.81

 − 99

1

3.85

0

0

0

0

0

0

0

0

1

2.13

Loading ramps

0

6

23.08

0

0

1

8.33

2

40.00

1

100.00

10

21.28

1

4

15.38

0

0

1

8.33

2

40.00

0

0

7

14.89

2

15

57.69

3

100.00

8

66.67

1

20.00

0

0

27

57.45

 − 99

1

3.85

0

0

2

16.67

0

0

0

0

3

6.38

Feed silos

0

6

23.08

2

66.67

2

16.67

2

40.00

0

0

12

25.53

1

16

61.54

1

33.33

8

66.67

2

40.00

0

0

27

57.45

2

4

15.38

0

0

2

16.67

1

20.00

1

100.00

8

17.02

 − 99

0

0

0

0

0

0

0

0

0

0

0

0

Enrichment materials

0

1

3.85

1

33.33

0

0

0

0

0

0

2

4.26

1

0

0

0

0

0

0

0

0

0

0

0

0

2

25

96.15

2

66.67

12

100.00

5

100.00

1

100.00

45

95.74

 − 99

0

0

0

0

0

0

0

0

0

0

0

0

Shoe hygiene

0

8

30.77

0

0

2

16.67

1

20.00

1

100.00

12

25.53

1

7

26.92

0

0

2

16.67

1

20.00

0

0

10

21.28

2

11

42.31

3

100.00

8

66.67

3

60.00

0

0

25

53.19

 − 99

0

0

0

0

0

0

0

0

0

0

0

0

Anteroom

0

0

0

0

0

1

8.33

0

0

0

0

1

2.13

1

8

30.77

0

0

2

16.67

4

80.00

0

0

14

29.79

2

18

69.23

3

100.00

9

75.00

1

20.00

1

100.00

32

68.09

 − 99

0

0

0

0

0

0

0

0

0

0

0

0

Rodent control

0

1

3.85

0

0

1

8.33

1

20.00

0

0

3

6.38

1

5

19.23

0

0

4

33.33

0

0

0

0

9

19.15

2

20

76.92

3

100.00

6

50.00

4

80.00

1

100.00

34

72.34

 − 99

0

0

0

0

1

8.33

0

0

0

0

1

2.13

  1. Scores: 0 = “no biosecurity measures have been implemented, low biosecurity”, 1 = “some biosecurity measures have been implemented, moderate biosecurity”, 2 = “all necessary biosecurity measures have been implemented, high biosecurity”, − 88 = not applicable, − 99 = missing data