Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditions

The repellent effect of the molluscicides Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale and the latex of Euphorbia splendens on Biomphalaria glabrata was observed through the investigation of the occurrence of escape behavior among molluscs that were exposed to dosages lower than the LD...

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Main Authors: Pedro Jurberg, Otília Sarquis, José Augusto A. dos Santos, Regina da Conceição Reis Ferreira
Format: Article
Language:English
Published: Fundação Oswaldo Cruz (FIOCRUZ) 1995-04-01
Series:Memorias do Instituto Oswaldo Cruz
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761995000200011
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author Pedro Jurberg
Otília Sarquis
José Augusto A. dos Santos
Regina da Conceição Reis Ferreira
author_facet Pedro Jurberg
Otília Sarquis
José Augusto A. dos Santos
Regina da Conceição Reis Ferreira
author_sort Pedro Jurberg
collection DOAJ
description The repellent effect of the molluscicides Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale and the latex of Euphorbia splendens on Biomphalaria glabrata was observed through the investigation of the occurrence of escape behavior among molluscs that were exposed to dosages lower than the LD 50. The total number of individuals out of water among the surviving snails in the control group provided a "Natural Escape Index". The comparison between this total and the total number of surviving snails in each group exposed to the different dosages of the molluscicides after 24 hr provided the "Molluscicide Escape Index" and the detection of a "Repellency Range" to these snails. The escape indexes for Niclosamide, A. occidentale and E. splendens were 10, 6.22 and 6.44 respectively. Repellency occurred at the following concentration ranges: 0.01, 0.02 and 0.03 ppm Bayluscide, 0.1, 0.2 and 0.3 ppm A. occidentale and 0.05, 0.10, 0.15 and 0.20 ppm E. splendens. The Natural Escape Index obtained in the control group was zero.
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spelling doaj.art-157ccc4269364e26938ccb04fb55c5d02023-08-02T09:32:33ZengFundação Oswaldo Cruz (FIOCRUZ)Memorias do Instituto Oswaldo Cruz0074-02761678-80601995-04-0190219119410.1590/S0074-02761995000200011Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditionsPedro JurbergOtília SarquisJosé Augusto A. dos SantosRegina da Conceição Reis FerreiraThe repellent effect of the molluscicides Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale and the latex of Euphorbia splendens on Biomphalaria glabrata was observed through the investigation of the occurrence of escape behavior among molluscs that were exposed to dosages lower than the LD 50. The total number of individuals out of water among the surviving snails in the control group provided a "Natural Escape Index". The comparison between this total and the total number of surviving snails in each group exposed to the different dosages of the molluscicides after 24 hr provided the "Molluscicide Escape Index" and the detection of a "Repellency Range" to these snails. The escape indexes for Niclosamide, A. occidentale and E. splendens were 10, 6.22 and 6.44 respectively. Repellency occurred at the following concentration ranges: 0.01, 0.02 and 0.03 ppm Bayluscide, 0.1, 0.2 and 0.3 ppm A. occidentale and 0.05, 0.10, 0.15 and 0.20 ppm E. splendens. The Natural Escape Index obtained in the control group was zero.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761995000200011Biomphalaria glabratamolluscicideschistosomiasisBayluscideEuphorbia splendensAnacardium occidentale
spellingShingle Pedro Jurberg
Otília Sarquis
José Augusto A. dos Santos
Regina da Conceição Reis Ferreira
Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditions
Memorias do Instituto Oswaldo Cruz
Biomphalaria glabrata
molluscicide
schistosomiasis
Bayluscide
Euphorbia splendens
Anacardium occidentale
title Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditions
title_full Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditions
title_fullStr Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditions
title_full_unstemmed Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditions
title_short Effect of Niclosamide (Bayluscide WP 70 (R)), Anacardium occidentale hexane extract and Euphorbia splendens latex on behavior of Biomphalaria glabrata (Say, 1818), under laboratory conditions
title_sort effect of niclosamide bayluscide wp 70 r anacardium occidentale hexane extract and euphorbia splendens latex on behavior of biomphalaria glabrata say 1818 under laboratory conditions
topic Biomphalaria glabrata
molluscicide
schistosomiasis
Bayluscide
Euphorbia splendens
Anacardium occidentale
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761995000200011
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