Table 5.
Number of sampled animals by category (dead and showing clinical signs) needed to achieve 95% confidence in the detection of African swine fever virus in an infected herd (RiBESS+ analysis)
| A. 13 days post‐infection | ||||||
|---|---|---|---|---|---|---|
| Scenario | No. of pigs | |||||
| 50 | 200 | 1,000 | ||||
| Dead | Clinical | Dead | Clinical | Dead | Clinical | |
| 1. Malta, 1978 | 3 | 0 | 3 | 0 | 4 | 0 |
| 2. The Netherlands, 1986 | 2 | 1 | 3 | 0 | 4 | 0 |
| 3. Georgia, 2007 low) | 2 | 1 | 3 | 1 | 4 | 1 |
| 4. Georgia, 2007 (medium) | 2 | 1 | 3 | 1 | 4 | 1 |
| 5. Georgia, 2007 (high) | 2 | 1 | 3 | 1 | 4 | 1 |
| B. 23 days post‐infection | ||||||
| Scenario | No. of pigs | |||||
| 50 | 200 | 1,000 | ||||
| Dead | Clinical | Dead | Clinical | Dead | Clinical | |
| 1. Malta, 1978 | 2 | 0 | 2 | 0 | 2 | 0 |
| 2. The Netherlands, 1986 | 2 | 0 | 3 | 0 | 3 | 0 |
| 3. Georgia, 2007 (low) | 2 | 0 | 3 | 0 | 3 | 0 |
| 4. Georgia, 2007 (medium) | 2 | 0 | 3 | 0 | 3 | 0 |
| 5. Georgia, 2007 (high) | 2 | 0 | 3 | 0 | 3 | 0 |