Table 1 Number of cows, proportion of S. aureus infected cows and frequencies of the different CC

n

%

n

n

n

n

n

n

n

n

n

n

n

1

79

50.00

6

2

273

18.38

3

3

3

117

33.33

6

4

322

9.91

5

1

5

1156

6.32

4

1

1

6

645

3.04

1

1

4

7

1111

6.29

1

3

2

8

2172

13.22

1

3

2

9

1482

2.37

3

3

10

699

2.40

4

2

11

349

23.21

5

1

12

75

4.00

1

1

13

678

0.63

1

1

1

14

773

8.29

5

1

15

739

6.04

3

3

16

125

6.98

6

17

233

8.23

3

2

1

18

354

16.80

3

1

2

19

684

12.27

4

2

20

714

11.31

6

21

259

7.88

5

1

22

1029

3.77

6

23

194

8.47

3

3

24

996

0.31

1

1

25

1738

18.89

2

2

2

26

749

14.12

1

2

2

1

27

32

40.00

2

4

28

863

14.71

4

1

1

29

74

19.51

5

1

30

410

12.27

6

31

332

0.84

1

1

32

380

13.65

5

1

33

666

4.71

5

1

34

336

12.12

6

∑

20 838

9.19

98

33

21

9

8

5

5

5

3

1

1