Table 1.
The LD50 values of T. asahii strains.
| T. asahii strains | LD50 (× 103 cells/larva) |
|---|---|
| Parent strain | 11 |
| ∆cna1 | 160 |
| CNA1 (Revertant) | 6 |
| ∆cnb1 | 240 |
| CNB1 (Revertant) | 6 |
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