Table 4.
Summary of live and dead piglets at birth and after PEDV challenge.
| Group | T01 V/C | T01 V/C | T01 V/C | T01 V/C | T02 N/C | T02 N/C | T02 N/C | T02 N/C | T03 N/N | T03 N/N |
|---|---|---|---|---|---|---|---|---|---|---|
| Gilt ID | #5003 | #5026 | #5046 | #6174 | #5043 | #5048 | #6173 | #5044 | #6175 | #5042 |
| Live born piglets | 11 | 15 | 10 | 12 | 9 | 11 | 14 | 7 | 12 | 6 |
| Dead piglets (laid by dam) prior to challenge |
0 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 |
| Number of piglets for challenge per litter |
11 | 14 | 9 | 10 | 9 | 11 | 14 | 5 | 12 | 6 |
| Number of piglets for challenge per group | 44 | 39 | 18 | |||||||
| Challenge material | Non-S-INDEL PEDV USA/IN1938/2013 | Non-S-INDEL PEDV USA/IN1938/2013 | Virus-negative medium | |||||||
| DPC 0: live (dead) | 11 | 14 | 9 | 10 | 9 | 11 | 14 | 5 | 12 | 6 |
| DPC 1: live (dead) | 11 | 14 | 9 | 10 | 9 | 11 | 13 (1) | 5 | 12 | 6 |
| DPC 2: live (dead) | 10 (1) | 14 | 9 | 9 (1) | 9 | 5 (6) | 10 (3) | 2 (3) | 12 | 6 |
| DPC 3: live (dead) | 5 (5) | 14 | 8 (1) | 9 | 7 (2) | 4 (1) | 8 (2) | 1 (1) | 12 | 6 |
| DPC 4: live (dead) | 5 | 14 | 7 (1) | 9 | 7 | 4 | 4 (4) | 0 (1) | 12 | 6 |
| DPC 5: live (dead) | 4 (1) | 14 | 4 (3) * | 8 (1) | 7 | 2 (2) | 2 (2) | 0 | 12 | 6 |
| DPC 6: live (dead) | 3 (1) | 14 | 4 | 8 | 7 | 2 | 1 (1) | 0 | 12 | 6 |
| DPC 7: live (dead) | 3 | 14 | 4 | 8 | 7 | 2 | 1 | 0 | 12 | 6 |
| DPC 8: live (dead) | 3 | 14 | 4 | 8 | 7 | 2 | 1 | 0 | 12 | 6 |
| DPC 9: live (dead) | 3 | 14 | 4 | 7 (1) | 7 | 2 | 1 | 0 | 12 | 6 |
| DPC 10−28: live (dead) | 3 | 14 | 4 | 7 | 7 | 2 | 1 | 0 | 12 | 6 |
| Total: live (dead) piglets after challenge |
3 (8) | 14 (0) | 4 (5) | 7 (3) | 7 (2) | 2 (9) | 1 (13) | 0 (5) | 12 (0) | 6 (0) |
| Mortality per litter | 72.7% | 0.0% | 55.6% | 30.0% | 22.2% | 81.8% | 92.9% | 100.0% | 0.0% | 0.0% |
| Mortality per group | 16/44 × 100% = 36.4% | 29/39 × 100% = 74.4% | 0/18 × 100% = 0% | |||||||
* Piglet #47 from the gilt #5046 was laid by dam to death on DPC 5. Here, this piglet was counted into post-challenge mortality.