Bulletin of the World Health Organization · 1976
Snail control in urban sites in Brazil with slow-release hexabutyldistannoxane and pentachlorophenol.
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Toledo J V, Monteiro Da Silva C S, Bulhŏes M S, Paes Leme L A, Da Silva Netto J A, Gilbert B
Аннотация
Slow release formulations of hexabutyldistannoxane (TBTO) and pentachlorophenol (PCP) were tested for the control of Biomphalaria tenagophila in 52 urban sites in Rio de Janeiro. TBTO acted faster and lasted longer than PCP and at 15 g/m(2) it eliminated snails from 76% of the treated sites for 1 year. Water pollution and rate of flow had no significant influence on the molluscicidal properties of either compound, but alkalinity lowered the activity of TBTO. Failure to control snail populations was due mainly to human interference and to the non-treatment of adjacent breeding sites that were temporarily dry and therefore overlooked.