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Revista Cubana de Medicina Tropical
versión impresa ISSN 0375-0760versión On-line ISSN 1561-3054
Resumen
HEVIA JIMENEZ, Yosvania et al. Lab studies on the mollusk action of pine tree resin, collophonia, on Biomphalaria havanensis. Rev Cubana Med Trop [online]. 2008, vol.60, n.2. ISSN 0375-0760.
Background: Field studies have previously demonstrated that freshwater mollusk populations did not exist in the ecological and natural environment of pine trees, which led to study pine resin, colophony, as a controlling agent for Biomphalaria havanensis mollusk, an intermediate host of Schistosoma mansoni. Objective: to determine the molluscicidical action of colophony as possible use as a controlling agent for Biomphalaria havanensis. Methods: Seven different concentrations were used to determinate the lethal doses. Data were analyzed by probit-log program. Results: The lethal doses found were as follows: LD50 = 443.3 mg/L and LD90 = 1417.6 mg/L. Conclusions: These experiments showed the molluscicidical activity of the two Cuban pinaceas, through the colophony resin, on Biomphalaria havanensis.
Palabras clave : Natural molluscicides; colophony; Biomphalaria.