Results 91 to 100 of about 1,931 (197)
Effect of self-fertilization on Biomphalaria tenagophila (Orbigny, 1835) (Pulmonata: Planorbidae)
Biomphalaria tenagophila is a simultaneous hermaphrodite freshwater snail, which can breed by self and cross-fertilization. It is, therefore, well suited for studying reproduction as an evolutive strategy. Several characteristics (shell size and age at sexual maturity, egg fecundity and fertility) were analyzed in four consecutive self-fertilized ...
Tuan, Roseli, Simões, Luiz Carlos Gomes
openaire +4 more sources
Com o objetivo de comparar a duração do período embrionário, a fecundidade e a fertilidade de Biomphalaria occidentalis Paraense, 1981 com a de B, tenagophila (d'Orbigny, 1835), exemplares de ambas as espécies foram criados em aquários dotados das mesmas
Maísa Rose Domenico Elmor +2 more
doaj +1 more source
Infecção por Schistosoma mansoni e outros trematódeos em Biomphalaria tenagophila (Planorbidae) de Guarulhos, São Paulo, Brasil [PDF]
A total of 909 Biomphalaria tenagophila were collected from two areas in Guarulhos (Metropolitan area of São Paulo, São Paulo State, Brazil) to assess larval trematode infections.
Kawano, Toshie +3 more
core +4 more sources
Os conhecimentos sobre a distribuição geográfica das espécies dos caramujos transmissores de Schistosoma mansoni são importantes para o controle e vigilância epidemiológica da esquistossomose mansônica. O estudo da situação no Estado de São Paulo, Brasil,
Horacio Manuel Santana Teles
doaj
Suscetibilidade à infecção pelo Schistosoma mansoni, de Biomphalaria glabrata e Biomphalaria tenagophila do Distrito Federal, Brasil [PDF]
É feito um estudo sobre a suscetibilidade de B. glabrata e B. tenagophila, coletados em Brasília, DF (Brasil), à infeeção por S. mansoni, visando determinar a importância epidemiológica dessas espécies na transmissão da doença na região. Relaciona-se a localização e as condições dos criadouros com a origem dos casos autóctones conhecidos.
openaire +2 more sources
Biomphalaria molluscs (Gastropoda: Planorbidae) in Rio Grande do Sul, Brazil
The present study was aimed at characterising Biomphalaria species using both morphological and molecular (PCR-RFLP) approaches. The specimens were collected in 15 localities in 12 municipalities of the southern region of the state of Rio Grande do Sul ...
Michele Soares Pepe +7 more
doaj +1 more source
[Miracidial attraction by Biomphalaria tenagophila genetically selected for susceptibility].
The attraction of Schistosoma mansoni miracidea by snails genetically selected for susceptibility to infection is considered. Miracidea were exposed to snails or to snail conditioned water in a specially devised three-chamber glass apparatus. Ten miracidea were used for each test and were deposited in the middle chamber (a passage); after 15 minutes ...
E M, Zanotti-Magalhães +2 more
openaire +1 more source
Specimens of Biomphalaria occidentialis and Biomphalaria tenagophila were reared in S. Paulo, Brazil under laboratory conditions, with a view to know their biological characteristics. Oviposition and eggs/oviposition ratio were recorded over twelve months so as to obtain information on the number of egg-masses per animal and the number of eggs per egg ...
M R, Elmor, J F, Vaz, L M, Gonçalves
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Relação Parasito-hospedeiro Entre Biomphalaria Amazonica E Schistosoma Mansoni [PDF]
Biomphalaria amazonica is a planorbid species considered a potential host of Schistosoma mansoni. It is widely distributed in the Neotropical zone, particularly in the North and Centre-West of Brazil and in the North of Bolivia.
A. X. +7 more
core
São apresentados os resultados das investigações sobre os focos de esquistossomose nas localidades de Pedro de Toledo e Itariri, com referência especial aos índices de infecção natural obtidos para a espécie Biomphalaria tenagophila.
Alberto da Silva Ramos +6 more
doaj +1 more source

