TABLE 1.
Recovery of Y. pseudotuberculosis from wild boar tonsils after KOH (0.25%) treatmenta
| Serotype | Initial inoculum (CFU/ml) | KOH treatmentb |
|||
|---|---|---|---|---|---|
| None | 5 s | 10 s | 15 s | ||
| O:1a | 106 | + | (+) | − | (+) |
| 107 | + | − | − | − | |
| 108 | + | + | + | (+) | |
| O:1b | 106 | + | − | − | − |
| 107 | + | (+) | (+) | (+) | |
| 108 | + | + | (+) | (+) | |
| O:3 | 106 | + | − | − | − |
| 107 | + | (+) | (+) | (+) | |
| 108 | + | + | + | − | |
| O:4 | 106 | + | − | (+) | (+) |
| 107 | + | + | − | − | |
| 108 | + | + | − | (+) | |
| O:5 | 106 | + | − | − | − |
| 107 | + | + | − | − | |
| 108 | + | (+) | + | − | |
a
The experiment was performed with three parallel preparations of tonsils from three animals.
b
−, absence of Yersinia; (+), Yersinia present but detected in only one preparation; +, Yersinia present in more than one preparation.