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Table 4 MRSA prevalence in herds with different properties according to the reported purchase of piglets

From: Factors associated with the occurrence of MRSA CC398 in herds of fattening pigs in Germany

Variable

Category

No purchase

No. (% pos.)

Purchase from 1-2 sources

No. (% pos.)

Purchase from > 2 sources

No. (% pos.)

Purchase from weaner-to-grower producers

No. (% pos.)

Total

No. (% pos.)

Herd size

Small

34 (21)

40 (38)

7 (29)

1 (100)

82 (31)

 

Middle

18 (56)

48 (56)

16 (69)

4 (100)

86 (61)

 

Large

19 (42)

75 (64)

21 (81)

0 (0.0)

115 (64)

 

Total

71 (35)

163 (55)

44 (68)

5 (100)

283 (53)

Production type

Farrow-to-finish

53 (30)

8 (25)

3 (67)

0 (0.0)

64 (31)

 

Wean-to-finish

9 (56)

25 (64)

3 (67)

1 (100)

38 (63)

 

Grow-to-finish

10 (50)

132 (55)

37 (68)

4 (100)

183 (59)

 

Total

72 (36)

165 (55)

43 (67)

5 (100)

285 (53)

Animal flow system

Continuous

36 (25)

43 (47)

9 (78)

0 (0.0)

88 (41)

 

AIAOa with cleanup

2 (0.0)

16 (44)

4 (75)

0 (0.0)

22 (46)

 

AIAOa with cleanup and disinfection

34 (50)

105 (60)

29 (62)

5 (100)

173 (60)

 

Total

72 (36)

164 (55)

42 (67)

5 (100)

283 (53)

Use of antimicrobialsb

No

45 (27)

64 (52)

15 (53)

0 (0.0)

124 (43)

 

Yes

28 (50)

101 (57)

29 (76)

5 (100)

163 (61)

 

Total

73 (36)

165 (55)

44 (68)

5 (100)

287 (53)

  1. a All in/all out
  2. b Reported treatments at group level