Table 2.
Frequency of reisolation of M. gallisepticum from the respiratory tract and from inner organs after 9 days of infection
| Inoculum | % of birds with M. gallisepticum-positive sampling froma: |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Respiratory tract |
Inner organs |
Total | ||||||||
| Trachea | Air sac | Lung | Total | Spleen | Liver | Heart | Kidney | Total | ||
| Rlow | 100 (23) | 90.0 (30) | 100 (29) | 96.3 | 23.3 (30) | 27.6 (29) | 60.0 (30) | 96.6 (29) | 51.7 | 70.0 |
| Rhigh | 88.5 (26) | 23.3 (30) | 70.0 (30) | 59.3 | 0 (27) | 0 (30) | 6.7 (30) | 24.1 (29) | 7.8 | 29.7 |
| RCL2 | 100 (25) | 53.3 (30) | 90.0 (30) | 80.0 | 3.5 (29) | 3.5 (29) | 20.7 (29) | 35.7 (28) | 15.7 | 43.0 |
| mHAD3 | 51.7 (29) | 6.7 (30) | 13.8 (29) | 23.9 | 0 (28) | 7.1 (28) | 3.3 (30) | 10.0 (30) | 5.2 | 13.2 |
| Medium | 0 (30) | 0 (29) | 0 (29) | 0 | 0 (30) | 0 (30) | 0 (30) | 0 (30) | 0 | 0 |
a
One sample per organ site was taken from each of the 30 birds per group. Because contaminated samples were withdrawn from calculation, numbers in parentheses represent the number of birds used for calculation.