Table 1 Prevalence (95% confidence interval) of Fasciola hepatica in resistant and susceptible Pseudosuccinea columella using different experimental exposure approaches
Experimental infections | Experimental groups | Pseudosuccinea columella populations (%) | |||
|---|---|---|---|---|---|
La Coca | La Palma | Aurora | Negrines | ||
(n = 30)a | (n = 30)a | (n = 30)b | (n = 30)b | ||
Increasing infective dose: sympatric F. hepatica | 5 M | 0 | 0 | 66.7 (48.1–85.2) | 63.3 (44.4–82.2) |
15 M | 0 | 0 | 83.0 (66.4–92.6) | 90.0 (74.4–96.5) | |
30 M | 0 | 0 | 93.3 (78.7–98.2) | 80.0 (62.7–90.5) | |
Serial exposure: sympatric F. hepatica | 3 × 5 M | 0 | 0 | 90.0 (74.4–96.5) | 100 (88.7–100) |
Exposure to allopatric F. hepatica | Dominican Republic 5 M | 0 | 0 | 50.0 (33.1–66.9) | 66.7 (48.8–80.8) |
France 5 M | 0 | 0 | 13.3 (4.2–29.9) | 60.0 (40.7–76.6) | |