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Determination results of the median infective dose of goose embryos.
| Inoculation concentration | Number of deaths | Number of infections | The number of effective inoculations | Infection rate |
|---|---|---|---|---|
| virulent stock | 2 | 6 | 6 | 100 % |
| 10-1 | 1 | 5 | 6 | 83.33 % |
| 10-2 | 0 | 2 | 6 | 33.33 % |
| 10-3 | 0 | 0 | 6 | 0 |
| 10-4 | 0 | 0 | 6 | 0 |
| Control | 0 | 0 | 0 | 0 |
