TABLE 5.
Preemptive colonization by wild-type and effector strains
| Concn of challenge strain Ingbritt (CFU/ml) | Frequency of superinfection in animals colonized by:
|
||
|---|---|---|---|
| JH1140 | BCS3-L1 | Control | |
| 107 | 0/3 | 0/3 | 3/3 |
| 108 | 0/3 | 0/3 | 3/3 |
| 109 | 0/3 | 0/3 | 3/3 |
| 1010 | 0/3 | 0/3 | 3/3 |