TABLE 3.
Clinical, pathological, bacteriological, PCR, and serological results observed for infected and contact pigs
| Unit | Group | Hyperthermia (days p.i.) | Lameness (days p.i.) | Macroscopic lesionsa | No. of pigsb in which the following was observed in indicated samples collected at necropsy:
|
ELISA results at necropsy (Sp mean) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
S. suis
|
S. suis DNA
|
||||||||||||||||
| Joints | Muscle | Liver | Heart | Lung | Tonsils | Joints | Muscle | Liver | Heart | Lung | Tonsils | ||||||
| A (THB) | 1 | No | No | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.015 ± 0.013 |
| 2 | No | No | No | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.027 ± 0.011 | |
| B (strain 332, type 2) | 3 | Yes (1-2) | Yes (1-22) | Arthritis (4), pneumonia (1) | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 0 | 1 | 0 | 0 | 6 | 0.333 ± 0.099 |
| 4 | No | No | Arthritis (4) | 2 | 2 | 1 | 1 | 1 | 6 | 1 | 2 | 1 | 1 | 1 | 6 | 0.179 ± 0.035 | |
| C (strain 347, type 2) | 5 | Yes (1-2) | Yes (1-10) | Arthritis (4) | 1 | 2 | 0 | 3 | 2 | 5 | 0 | 2 | 0 | 2 | 2 | 6 | 0.644 ± 0.045 |
| 6 | No | No | No | 1 | 0 | 0 | 1 | 1 | 6 | 1 | 0 | 0 | 0 | 0 | 6 | 0.399 ± 0.086 | |
| D (strain 353, type 1/2) | 7 | No | No | Arthritis (3) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.053 ± 0.012 |
| 8 | No | No | Arthritis (1) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0.047 ± 0.013 | |
a
Data in parentheses are numbers of pigs (out of a group of six) in which lesions were observed.
b
Data are numbers of pigs out of a group of six.