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Table 1 Prevalence (95% confidence interval) of Fasciola hepatica in resistant and susceptible Pseudosuccinea columella using different experimental exposure approaches

From: Fasciola hepatica-Pseudosuccinea columella interaction: effect of increasing parasite doses, successive exposures and geographical origin on the infection outcome of susceptible and naturally-resistant snails from Cuba

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)
  1. Abbreviation: M miracidia
  2. aResistant populations
  3. bSusceptible populations