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REPRODUCTIVE ACTIVITY ALTERATIONS ON THE BIOMPHALARIA GLABRATA EXPOSED TO EUPHORBIA SPLENDENS VAR. HISLOPII LATEX
Silva, Clélia Christina Mello et al. | Date Issued: 2007
Author
Silva, Clélia Christina Mello
Vilar, Mônica Magno
Bezerra, José Clecildo Barreto
Vasconcellos, Maurício Carvalho de
Pinheiro, Jairo
Rodrigues, Maria de Lurdes de A.
Affilliation
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Esquistossomose Experimental. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Esquistossomose Experimental. Rio de Janeiro, RJ. Brasil.
Universidade Federal de Goiás. Instituto de Patologia Tropical e Saúde Pública. Goiânia, GO, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Avaliação e Promoção da Saúde Ambiental. Rio de Janeiro, RJ. Brasil.
Universidade Federal Rural do Rio de Janeiro. Instituto de Biologia. Departamento de Ciências Fisiológicas. Seropédica, RJ, Brasil.
Universidade Federal Rural do Rio de Janeiro. Programa de Pós-Graduação em Ciências Veterinárias. Seropédica, RJ, Brasil.
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.
Keywords in Portuguese
Biomphalaria glabrata
moluscicida vegetal
alteração da atividade reprodutiva
controle populacional caracol
 
Keywords
Biomphalaria glabrata
plant moluscicide
reproductive activity alteration
snail population control
 
Publisher
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz
Citation
SILVA, Clélia Christina Mello; et al. Reproductive activity alterations on the Biomphalaria glabrata exposed to Euphorbia splendens var. hislopii latex. Mem Inst Oswaldo Cruz, v.102, n.6, p.671-674, Sept. 2007.
ISSN
0074-0276