TABLE 2.
L. monocytogenes-positive samples of nonfish origin and division of the isolates by PFGE according to sampling time
| Source | Before production
|
During production
|
||
|---|---|---|---|---|
| No. of positive samples (total no. of samples) | Pulsotype | No. of positive samples (total no. of samples) | Pulsotype | |
| Processing plant | ||||
| Arrival area | ||||
| Ice packs | 1 (7) | III | ||
| Skinning, brining, and smoking areas | ||||
| Environmenta | 1 (20) | I | 3 (15) | I, II, IX |
| Machines | 8 (47) | I, II, III | 7 (16) | I, II |
| Brine solution | 4 (4) | I | ||
| Employeesb | 2 (6) | III, VII | 2 (3) | I |
| Slicing and packaging area | ||||
| Environment | 3 (7) | I, III | 2 (6) | I, III |
| Machines | 3 (10) | I, III | 2 (12) | I, III |
| Employees | 2 (4) | I, III | ||
| Cleaning areac | 2 (6) | II, III | ||
a
Samples were taken from different plant surfaces and from drains.
b
Samples were taken from aprons and gloves of employees.
c
Cleaning area was situated between brining and slicing areas and was used for cleaning smoking tracks.