Table 4 Animal sera used in this study
Serum | Serovar specificity | Mode of infection |
|---|---|---|
App 2 | A. pleuropneumoniae serovar 2 | Natural |
App 6 | A. pleuropneumoniae serovar 6 | Natural |
App 12 | A. pleuropneumoniae serovar 12 | Natural |
Naive | // | Uninfected |
App HK361 | A. pleuropneumoniae HK361: serovar 2 | Experimental |