Table 2.
Overview of the results of the challenge tests using our four IBV strains.
| Group | Morbidity | Mortality |
Antibody response |
|||||
|---|---|---|---|---|---|---|---|---|
| 4 da | 8 d | 12 d | 16 d | 20 d | 24 d | |||
| LHB/110615 | 8/10 | 0/10 | 0/10b | 0/10 | 0/10 | 2/10 | 5/10 | 8/10 |
| I0916/16 | 10/10 | 0/10 | 0/10 | 0/10 | 1/10 | 4/10 | 9/10 | 9/10 |
| I1209/16 | 8/10 | 0/10 | 0/10 | 0/10 | 1/10 | 1/10 | 3/10 | 5/10 |
| I0221/17 | 9/10 | 0/10 | 0/10 | 0/10 | 0/10 | 0/10 | 3/10 | 5/10 |
| I0725/17 | 9/10 | 0/10 | 0/10 | 0/10 | 3/10 | 5/10 | 8/10 | 9/10 |
| Negative control | 0/10 | 0/10 | 0/10 | 0/10 | 0/10 | 0/10 | 0/10 | 0/10 |
a
Days after challenge.
b
Number of chickens that seroconverted/the number of chickens tested.