Table 6.
Start of inoculation period | 3-5 dpn | 41-43 dpn | ||||
---|---|---|---|---|---|---|
Group | K1 | V1 | V2 | K2 | V3 | V4 |
Number of animals (n) | 6 | 7 | 7 | 6 | 6 | 7 |
Inoculation dose per day (mg bwm) | - | 10 | 20 | - | 10 | 20 |
Average bacterial counts/mL | - | 2.08 ± 0.57x107 | - | 1.62 ± 0.73x107 | ||
Average bacterial counts/inoculum | - | 2.08x108 | 4.16x108 | - | 1.62x108 | 3.24x108 |
Total inoculation dose | - | 2.08x109 | 4.16x109 | - | 1.62x109 | 3.24x109 |
Time of necropsy (wpi) | 48a) | 48 | 49b) | 46 | 47 | 48c) |
dpn, days post natum; bwm, bacterial wet mass; wpi, weeks post infection; a)one animal was necropsied at 39 wpi; b)one animal each died at 37 and 39 wpi, one animal each was necropsied at 37 and 38 wpi; c)one animal was necropsied at 35 wpi.