TABLE 1.
Numbers of samples, numbers of L. monocytogenes-positive samples, and distribution of RAPD types for L. monocytogenes isolates from processing plant I
| Date | Sampling site | Total no. of samples | No. of L. monocytogenes- positive samples | No. of isolates with the following RAPD types as determined with HLWL85:
|
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| RAPD type 2 | RAPD type 6 | RAPD type 7 | RAPD type 12 | RAPD type 13 | RAPD type 15 | RAPD type 110 | RAPD type x | ||||
| 1995 | Product | 20 | 17 | 1 | 16 | ||||||
| 1996 | Product | 20 | 13 | 13 | |||||||
| November 1998 | Raw fish | 18 | 0 | ||||||||
| Raw fish area | 239 | 55 | 5 | 36 | 4 | 1 | 1 | 6 | 2 | ||
| Smoking area | 8 | 0 | |||||||||
| Slicing area 1 | 150 | 80 | 3 | 1 | 63 | 1 | 10 | 2 | |||
| Slicing area 2 | 147 | 39 | 37 | 1 | 1 | ||||||
| Product | 40 | 15 | 7 | 7 | 1 | ||||||
| March 1999 | Raw fish | 12 | 0 | ||||||||
| Raw fish area | 105 | 17 | 3 | 5 | 6 | 3 | |||||
| Smoking area | 2 | 0 | |||||||||
| Slicing area 1 | 75 | 9 | 6 | 3 | |||||||
| Slicing area 2 | 100 | 3 | 2 | 1 | |||||||
| Product | 48 | 15 | 6 | 2 | 7 | ||||||