Table 1. Clinic, pathology and diagnosis.
| Serotype | Animal No. | Sex (M/F) | Clinical signsa | Necropsy | Lower lobe (left/right)b | Middle lobe (left/right)b | Upper lobe (left/right)b | Diagnosis |
| H2N2 | 486 | M | no | day 1 | 0/0 | 0/0 | 0/0 | normal |
| 635 | F | no | day 1 | 0/0 | 5/0 | 5/0 | normal | |
| 479 | F | mild | day 6 | 0/0 | 0/0 | 0/0 | normal | |
| 134 | M | moderate | day 6 | 0/0 | 0/50–75 | 0/50–75 | pneumonia | |
| 358c | M | mild | day 14 | 0/0 | 0/0 | 0/0 | normal | |
| 129d | M | mild | day 14 | 0/0 | 0/0 | 0/0 | congestion | |
| H2N3 | 805 | M | no | day 1 | 0/0 | 0/0 | 0/0 | normal |
| 637 | F | no | day 1 | 0/0 | 0/0 | 0/0 | normal | |
| 937e | F | moderate | day 6 | 0/75 | 0/75 | 0/80 | pneumonia | |
| 72-137e | M | moderate | day 6 | 0/75 | 0/50 | 0/80 | pneumonia | |
| 745 | F | moderate | day 14 | 0/75 | 0/90 | 0/65 | pneumonia | |
| 72-41c | M | moderate | day14 | 0/20 | 0/0 | 0/0 | pneumonia |
a
clinical scoring was performed as published (21);
b
gross pathology score in percentage of total lung tissue provided separately for the left and right lobe;
c
animals with splenomegaly;
d
all lung lobes were diffusely mildly reddened (distinct from other lesions);
e
tracheo-bronchial lymph nodes moderately enlarged; F = female; M = male.