Table 1.
Group | No. of animals | Clinical signs
|
|||
---|---|---|---|---|---|
1 day post challenge | 2 day post challenge | 3 day post challenge | 4 day post challenge | ||
Non-vaccinated | 1 | – | OD, AN, DE | AN, DE, CO | AN, DE, CO |
2 | – | OD, AN, DE | AN, DE, ND | AN, DE, ND | |
3 | – | OD, AN, DE | AN, DE | AN, DE, ND | |
3.75 μg vaccinated | 4 | – | – | – | – |
5 | – | – | – | – | |
6 | – | – | – | – | |
7.5 μg vaccinated | 7 | – | – | – | – |
8 | – | – | – | – | |
9 | – | – | – | – | |
15 μg vaccinated | 10 | – | – | – | – |
11 | – | – | – | – | |
12 | – | – | – | – |
OD, ocular discharge; AN, anorexia; DE, depression; CO, cough; ND, nasal discharge.