Jorge Sánchez Noda

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A study was carried out to determine the distribution and habitat preferences of several species of the genus Biomphalaria. Samples were taken at 350 freshwater locations in Cuba. Three species of Biomphalaria (Biomphalaria havanensis, Biomphalaria helophila and Biomphalaria pallida) were recorded based on their distribution. Of the three species, B.(More)
INTRODUCTION ecological studies were carried out on mollusk populations of medical and veterinary importance with emphasis on Fasciola hepatica intermediary hosts species. OBJECTIVES to determine the relative abundance of populations and the possible use of some species as biological control agents against F. hepatica intermediary hosts. METHODS a total(More)
A study was carried out along three years, on distribution and possible competence between the two thiarid species present in Lake Hanabanilla, Cuba: Melanoides tuberculata and Tarebia granifera. Both species presented significant differences as to its abundance within a determined microhabitat, but they could match their densities for the total sampled(More)
INTRODUCTION The ability of freshwater snails to serve as intermediary host of parasites responsible for some tropical diseases is well known. OBJECTIVE A malacological study was carried out in the Santiago de Cuba province in order to determine the distribution of freshwater snails of medical importance and their relation with the main ecosystems. (More)
A study was carried out on the molluscacidal action of agave (Agave legrelliana) on the mollusk Biomphalaria havanensis, host of Schistosoma. Different concentrations of the plant's juice extract were tested to determine lethal doses. 3 experimental series were carried out using 144 mollusks in each. LD50 = 0.14 mL/L and LD90 = 0.47 mL/L were determined(More)
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