Fig. 6From: Molluscicidal and parasiticidal activities of Eryngium triquetrum essential oil on Schistosoma mansoni and its intermediate snail host Biomphalaria glabrata, a double impactEffect of Eryngium triquetrum extract on Schistosoma mansoni miracidia infectivity. Prevalence of snails exposed to miracidia treated with essential oil was assessed via cercarial shedding; 42 snails were individually exposed to one miracidium exposed to 0.1 or 0.5 ppm of plant extract during a short exposure (30 min). All miracidia recovered were alive and swam toward light source. Data are presented as proportions of infected snails ± standard error (n = 42). Statistical significance was determined through Fisherʼs exact test (P < 0.00001). Asterisks indicate a significant difference between treated and non-treated miracidiaBack to article page