Table 6.
Summary of back-transformed LS means PCV2 copies/5 µL in feces (fecal shedding) by qPCR by treatment and study day for studies B and C
Study | Treatment Group (T) | Day of Study | % pigs ever positive post-challenge | |||||||
---|---|---|---|---|---|---|---|---|---|---|
− 1 | 21 | 24 | 28 or 29 | 31 | 35 | 38 | 42 | |||
B | T01 | 0 | 0 | 7 | 2.01E + 02 | 6.45E + 03 | 2.46E + 04 | 2.28E + 04 | 9.62E + 03 | 100 |
B | T02 | 0 | 0 | 14.0 | 1.0* | 14.0* | 8.0* | 3.0* | 11.0* | 68.2** |
B | T03 | 0 | 0 | 7.0 | 0* | 1.0* | 12.0* | 4.0* | 1.0* | 47.8** |
C | T01 | 0 | 0 | 2.0 | 26 | 9.99E + 04 | 1.95E + 04 | 3.47E + 03 | 7.95E + 03 | 100 |
C | T02 | 0 | 0 | 1.0 | 5.0 | 1.33E + 03** | 2.20E + 02** | 1.40E + 02** | 14.0** | 90.5^ |
C | T03 | 0 | 0 | 1.0 | 3.0 | 3.71E + 02** | 2.15E + 02** | 5.30E + 02** | 14.0** | 86.4^ |
Value is significantly different from T01 saline controls (*P ≤ 0.0003, ** P ≤ 0.05) within a column (Day of Study) by Study. ^Value is not significantly different from T01 (P ≥ 0.1). Study Day 0 corresponded to the day of vaccination.