TABLE 1.
Snout scores of pigs infected with B. bronchiseptica strains 4609 or DBB25
| Group and pig no. | 106 CFU/g (mean)b | Snout scoresa by group
|
||||||
|---|---|---|---|---|---|---|---|---|
| Left turbinate
|
Right turbinate
|
Septum | Total score | Mean group score | ||||
| Dorsal | Ventral | Dorsal | Ventral | |||||
| 4609 | 8.3 | |||||||
| 5Ac | 23.2 | 3 | 3 | 3 | 3 | 0 | 12 | |
| 5Bc | 2.8 | 1 | 1 | 1 | 1 | 0 | 4 | |
| 6Ac | 43.2 | 3 | 3 | 3 | 3 | 0 | 12 | |
| 6Bc | 24.5 | 1 | 1 | 2 | 2 | 0 | 6 | |
| 5Cd | 8.5 | 2 | 2 | 2 | 2 | 0 | 8 | |
| 6Cd | 50.5 | 2 | 2 | 2 | 2 | 0 | 8 | |
| DBB25 | 2.3 | |||||||
| 3Ac | 29.2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 3Bc | 8.8 | 1 | 0 | 1 | 0 | 0 | 2 | |
| 4Ac | 2.2 | 1 | 1 | 1 | 1 | 0 | 4 | |
| 4Bc | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 3Cd | 77.8 | 1 | 1 | 1 | 1 | 0 | 4 | |
| 4Cd | 45.5 | 1 | 1 | 1 | 1 | 0 | 4 | |
a
See text.
b
Mean number of B. bronchiseptica recovered per gram of turbinate.
c
Pigs euthanatized 21 days postinoculation.
d
Pigs euthanatized 10 days postinoculation.