Table 1 Antibodies against B. burgdorferi in Bernese Mountain dogs and control dogs at the first evaluation and after a median of 2.7 years.
| First evaluation | ||||
|---|---|---|---|---|
| Bernese Mountain dogs (N = 53) |
Control dogs (N = 30) | |||
| B. burgdorferi serology | ||||
| Serology result at the second evaluation |
positive (N = 22) |
negative (N = 31) |
positive (N = 11) |
negative (N = 19) |
| remained negative | 21 (68%) | 14 (74%) | ||
| remained positive | 15 (68%) | 7 (64%) | ||
| seroconverted* | 7 (32%) | 4 (36%) | ||
| seroreverted** | 10 (32%) | 5 (26%) | ||