TABLE 1.
Numbers and sources of Pseudomonas strains in clusters I through VI, as determined by AFLP fingerprint analysis
| Source | Processing stage or designation | No. of strains analyzed | No. of strains
|
||||||
|---|---|---|---|---|---|---|---|---|---|
| Cluster I | Cluster II | Cluster III | Cluster IV | Cluster V | Cluster VI | Ungrouped | |||
| Carcass samples | |||||||||
| After defeathering | A | 5 | 1 | 3 | 1 | ||||
| Before evisceration | B | 8 | 5 | 2 | 1 | ||||
| After evisceration | C | 8 | 2 | 5 | 1 | ||||
| After spray washing | D | 7 | 2 | 5 | |||||
| After immersion chilling | E | 8 | 5 | 2 | 1 | ||||
| After packaging | F | 8 | 1 | 3 | 3 | 1 | |||
| Samples from equipment surfaces and environ-mental samples | |||||||||
| Rubber fingers at exit of defeathering machine | RF | 6 | 3 | 3 | |||||
| Plastic curtain at exit of defeathering machine | DC | 6 | 2 | 1 | 2 | 1 | |||
| Stainless steel chute leading into evisceration area | SE | 6 | 5 | 1 | |||||
| Stainless steel evisceration equipment | EE | 3 | 2 | 1 | |||||
| Stainless steel chute leading into immersion chiller | SS | 5 | 5 | ||||||
| Immersion chiller outlet water | SCB | 7 | 1 | 4 | 2 | ||||
| Whole-carcass packaging conveyor belt | CON | 1 | 1 | ||||||
| Stainless steel whole-carcass packaging equipment | PE | 6 | 4 | 2 | |||||
| Air of the defeathering area | DEF | 1 | 1 | ||||||
| Air of the packaging area | PACK | 3 | 1 | 1 | 1 | ||||
| Total | 88 | 4 | 10 | 31 | 28 | 10 | 3 | 2 | |