Table 1

Seroconversion of PRRSV antibody and antigen during the course of immunization and challenge shown by numbers of positive samples versus numbers of tested samples

GroupImmunization at day 0No. of positive samples/no. of tested samplesChallenge at day 28No. of positive samples/no. of tested samples
Day 0Day 14Day 28Day 35Day 42Day 49
ELISAPCRELISAPCRELISAPCRELISAPCRELISAPCRELISAPCR
1P1000/50/55/55/55/50/5P55/55/55/54/55/52/5
2P1100/50/55/55/55/51/5P55/55/55/55/55/54/5
3P1200/50/53/53/54/52/5P55/55/55/54/54/42/4
4P1400/50/50/51/51/52/5P52/55/55/53/54/42/4
5P1700/50/51/51/51/51/5P52/55/53/53/54/41/4
6DMEM0/50/50/50/50/50/5P52/55/54/44/42/22/2
7DMEM0/50/50/50/50/50/5DMEM0/50/50/50/50/50/5