Susceptibility of planorbids from the metropolitan region of Belo Horizonte, MG (Brazil) to Angiostrongylus costaricensis (Nematoda, Angiostrongylidae)

• Autor(a) principal: Lima, Laïs Clark
• Data de Publicação: 1992
• Outros Autores: Massara, Cristiano Lara, Souza, Cecília Pereira de, Vidigal, Teofânia Dutra, Lenzi, Henrique Leonel, Carvalho, Omar dos Santos
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Revista do Instituto de Medicina Tropical de São Paulo
• Texto Completo: https://www.revistas.usp.br/rimtsp/article/view/28958
• topic: Angiostrongylus costaricensis; Biomphalaria glabrata; B. tenagophila; B. straminea; Suscetibilidade

Biomphalaria glabrata (control), B. tenagophila and B. straminea from our laboratory colonies initiated with molluscs collected in the municipality of Belo Horizonte, MG (Brasil), were experimentally infected with first-stage larvae of Angiostrongylus costaricensis. The number of molluscs of each species exposed was 139, 77 and 149. About 25 days later, surviving molluscs were individually examined by artificial digestion. Of 87 B. glabrata examined, 62 (71.3%) were positive and between one and 61 third-stage larvae were found; of 42 B. tenagophila, 21 (50.0%) contained between one five third-stage larvae; and of 89 B. straminea, 69 (77.5%) presented between one and 72 third-stage larvae. The three molluscan species are susceptible to A. costaricensis infection, but B. glabrata and B. straminea are most suitable for maintaining the nematode cycle in laboratory.