1983
DOI: 10.1590/s0034-89101983000200008
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Controle biológico: Pomacea haustrum Reeve, 1856 (Mollusca, pilidae) sobre planorbíneos, em laboratório

Abstract: RESUMO:Foi acompanhado em laboratório o controle de planorbíneos (Biomphalaria straminea Dunker, 1848; B. tenagophila Orbigny, 1835 e B. glabrata Say, 1818), hospedeiros intermediários da esquistossomose mansoni, através da predação de suas desovas pelo pilídeo Pomacea haustrum Reeve, 1856. De 829 desovas ovipostas por B. straminea, 203 (24,5%) foram expostas a 10 exemplares de P. haustrum; destas, 200 (98,3%) foram predadas. De 892 desovas ovipostas por B. tenagophia, 201 (22,5%) foram expostas a 10 exemplare… Show more

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Cited by 9 publications
(9 citation statements)
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“…In the present study both laboratory and field observations were made with a view to evaluating the interactions between introduced populations of thiarids and autochthonous ones of planorbids. Experiments performed by Guimarães (1983) with P. haustrum and P. marmorata (Guimarães et al 1987) provided similar results to those of the present study. In the field a reduction was followed by the disappearance of the planorbid populations (Table).…”
Section: Discussionsupporting
confidence: 88%
“…In the present study both laboratory and field observations were made with a view to evaluating the interactions between introduced populations of thiarids and autochthonous ones of planorbids. Experiments performed by Guimarães (1983) with P. haustrum and P. marmorata (Guimarães et al 1987) provided similar results to those of the present study. In the field a reduction was followed by the disappearance of the planorbid populations (Table).…”
Section: Discussionsupporting
confidence: 88%
“…We have two texts that deserve special highlight for their historical importance: the article of Guimarães 87 , which analyzes the integration of care of patients with hanseniasis in general hospitals, and the comment of Rotberg 143 on the pathogenic theory of Hansen’s disease.…”
Section: Infectious Diseases With Mild Decline Tendencymentioning
confidence: 99%
“…On its pages, we find the most important records of the spread of schistosomiasis in Sao Paulo 11 , 110 , 132 , 138 , as well as relevant research on the biology of its intermediate host 101 , studies focusing on biological control of planorbids 86 and on the planorbid chart of São Paulo state 170 , 171 . It is worth highlighting two articles that explore aspects little addressed in our literature: the study by Silva 157 (1985) described the disease expansion process in São Paulo and defends the thesis that the urbanization pattern would have been more relevant than the migration in the schistosomiasis expansion; the article written by Barreto 20 (1987), in turn, discussed the importance of studies on causal and predictor factors of this parasitosis for the development of intervention strategies.…”
Section: Introductionmentioning
confidence: 99%
“…Reeve competiu por espaço físico com B. glabrata em córregos e valas localizados no município Baldim, Minas Gerais, substituindo significativamente populações desta espécie(MILWARD-DE-ANDRADE;CARVALHO, 1979). Em laboratório, foi observado que este pilídeo é um ótimo predador de desovas de B. tenagophila, B. straminea e B. glabrata, podendo ser indicado como provável controlador desses hospedeiros intermediários de S. mansoni(GUIMARÃES, 1983).Competição entre espécies de Biomphalaria é bem relatada na literatura.Michelson e Dubois (1979), em estudos de laboratório, verificaram que B. straminea compete com B. glabrata e é mais agressiva, apresentando maior vagilidade ao invadir o território ocupado por esta última espécie Barbosa et al (1984),. ao estudarem a interação de B. straminea (resistente ao S. mansoni) com B. glabrata (suscetível ao S. mansoni) em condições de laboratório, observaram que no período de 100 semanas a população da última espécie foi totalmente substituída pela , durante uma hora.…”
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