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Table 2 Different management practices related to biosecurity, as reported by the surveyed Swedish pig farms, in the farrowing, grower, and fattening sections divided by farm size (for clarification of herd sizes, see Table 1). Regarding total numbers, different letters (a-c) within a column indicate a statistical difference (p < 0.05) between age categories. Regarding herd sizes, different letters (d-e) within a row indicate a statistical difference (p < 0.05) between herd sizes. The differences were compared statistically using Chi-square tests. When numbers are written in italics, the distribution of the responses did not allow for chi-square analysis

From: Management practices related to the control of gastrointestinal parasites on Swedish pig farms

 

Total

Herd size

Small

Medium

Large

n

%

n

%

n

%

n

%

Cleaning between each batch

 Farrowing units

106/132

80a

13/24

54d

69/80

86e

24/28

86e

 Grower units

91/132

69b

11/24

46d

55/80

69e

25/28

89f

 Fattener units

71/119

60b

14/33

42d

45/74

61

12/12

100e

Disinfection between each batch

 Farrowing units

78/132

59b

9/24

38d

50/80

63e

19/28

68e

 Grower units

65/132

49b

7/24

29d

40/80

50

18/28

64e

 Fattening units

38/119

32a

9/33

27

27/74

36

2/12

17

Downtime ≥ 4 days between each batch

 Farrowing units

106/132

80a

15/24

63d

67/80

84e

24/28

86

 Grower units

87/132

66b

12/24

50d

53/80

66

22/28

79e

 Fattening units

80/119

67b

18/33

55

52/74

70

10/12

83