TABLE 2.
Virulence of VP161 and AL251 in groups of 10 chickens
| Strain | Dose (CFU) | Mean time to death (range) (h) |
|---|---|---|
| VP161 | 1.5 × 102 | <20 (NDa) |
| 1.5 × 103 | <20 (ND) | |
| AL251 | 70 | 65 (33-120) |
| 7 × 102 | 30 (23-42) |
a
ND, not determined.
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