Herd
No. of controls
No. of S. aureus (x10
3
)/g of cheese
<100
100 to 500
500 to 1500
>1500
A
9
11.1%
33.3%
33.3%
22.2%
B
8
12.5%
50%
25%
12.5%
C
6
33.3%
33.3%
33.3%
-
D
6
83.2%
16.8%
-
-
Table 1:
Levels of contamination by
S.aureus
in cheese samples in the period preceding the start of the study in the selected herds
