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Table 3 Implementation of biosecurity measures at different farm sites of piglet-producing 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

At separate site

At leased farm site

All

n

%

n

%

n

%

n

%

Piglet-producing farms (n = 27)

Perimeter fence

0

7

58.33

5

50.00

3

60.00

15

55.56

1

2

16.67

0

0

0

0

2

7.41

2

3

25.00

5

50.00

2

40.00

10

37.04

 − 99

0

0

0

0

0

0

0

0

Building structure

0

0

0

0

0

0

0

0

0

1

4

33.33

0

0

0

0

4

14.81

2

8

66.67

10

100.00

5

100.00

23

85.19

 − 99

0

0

0

0

0

0

0

0

Pathways/vehicle hygiene

0

3

25.00

0

0

1

20.00

4

14.81

1

4

33.33

8

80.00

3

60.00

15

55.56

2

5

41.67

2

20.00

1

20.00

8

29.63

 − 99

0

0

0

0

0

0

0

0

Loading ramps

0

4

33.33

1

10.00

2

40.00

7

25.93

1

0

0

0

0

0

0

0

0

2

7

58.33

9

90.00

3

60.00

19

70.37

 − 99

1

8.33

0

0

0

0

1

3.70

Feed silos

0

2

16.67

0

0

2

40.00

4

14.81

1

9

75.00

5

50.00

3

60.00

17

62.96

2

1

8.33

5

50.00

0

0

6

22.22

 − 99

0

0

0

0

0

0

0

0

Enrichment materials

0

0

0

0

0

0

0

  

1

0

0

0

0

0

0

0

0

2

12

100.00

10

100.00

5

100.00

27

100.00

 − 99

0

0

0

0

0

0

0

0

Shoe hygiene

0

3

25.00

2

20.00

2

40.00

7

25.93

1

2

16.67

0

0

0

0

2

7.41

2

7

58.33

8

80.00

3

60.00

18

66.67

 − 99

0

0

0

0

0

0

0

0

Anteroom

0

0

0

0

0

0

0

0

0

1

1

8.33

1

10.00

0

0

2

7.41

2

11

91.67

9

90.00

5

100.00

25

92.59

 − 99

0

0

0

0

0

0

0

0

Rodent control

0

0

0

0

0

1

20.00

1

3.70

1

5

41.67

3

30.00

3

60.00

11

40.74

2

7

58.33

7

70.00

1

20.00

15

55.56

 − 99

0

0

0

0

0

0

0

0

  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