Table 4

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

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)


a All in/all out

b Reported treatments at group level

Alt et al. BMC Veterinary Research 2011 7:69   doi:10.1186/1746-6148-7-69

Open Data