Table 3.
Groups of conventional pigs and vaccination-challenge schedules
Groupsa | Vaccinesa | Immunization schedules | Challengeb |
---|---|---|---|
D (n = 5) | CSFV-PCV2 bivalent vaccine | One dose at 4 weeks of age | PCV2 |
E (n = 5) | Placebo | One dose at 4 weeks of age | PCV2 |
aFour-week-old conventional pigs were randomly divided into two groups and intramuscularly immunized with one dose (2 mL/dose) of CSFV-PC2 bivalent vaccine or placebo.
bPigs in Groups D and E were challenged intramuscularly with 1 × 105 TCID50 of PCV2 (CYC08 strain) at 8 weeks of age.