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Instituto Oswaldo Cruz, Ministério da Saúde, Memórias do Instituto Oswaldo Cruz., 6(102), p. 671-674

DOI: 10.1590/s0074-02762007000600002

Instituto Oswaldo Cruz, Ministério da Saúde, Memórias do Instituto Oswaldo Cruz., 6(102), p. 671-674

DOI: 10.1590/s0074-02762007005000101

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Reproductive activity alterations on the Biomphalaria glabrata exposed to Euphorbia splendens var. hislopii latex

Journal article published in 2007 by Mello-Silva,Clélia Christina, Maurício Carvalho de Vasconcellos, Rodrigues,Maria de Lurdes de A., Clélia Christina Mello-Silva, Vilar,Mônica Magno, Mônica Magno Vilar, Bezerra,José Clecildo Barreto, José Clecildo Barreto Bezerra ORCID, M. C. De Vasconcellos, Vasconcellos,Maurício Carvalho De, Maurício Carvalho de Vasconcellos, J. Pinheiro, Jairo,Pinheiro, Pinheiro Jairo, Maria de Lurdes de A. Rodrigues
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The reproductive activity of Biomphalaria glabrata exposed to Euphorbia splendens var. hislopii latex was evaluated. Parameters related to fecundity and fertility were observed. The snails were exposed to the LD50 (1 mg/l) of crude latex. At the first week post exposure (p.e.), the egg laying was reduced. After the fourth week p.e., an increase of the number of eggs/snail occurred. The results showed a marked reduction in the hatching of the snails, revealing an interference of latex exposure with the reproductive process of B. glabrata of E. splendens var. hislopii. The LD50 of the latex may be used as an alternative method to control the size of the populations of B. glabrata in field.