Table 4.
Herd B
| Week after arrival | ||||
|---|---|---|---|---|
| 0 | 4 | 8 | 12 | |
| A. pleuropneumoniae, type 2 | 0/10 | 10/10 | 10/10 | – |
| A. pleuropneumoniae, type 3 | 0/10 | 3/10 | 3/10 | – |
| M. hyopneumoniae | 0/10 | 0/10 | 4/10 | – |
| P. multocida | 1/10 | 10/10 | 10/10 | – |
| S. suis | 0/10 | 8/10 | 9/10 | – |
Number of seropositive pigs in 10 pigs repeatedly analysed during the fattening period at a time when pleuritis was registered in 21.5.1 % of the pigs at slaughter. At week 12, all of the pigs were slaughtered. For details about serum antibody levels, see the corresponding Fig. 3