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Rearing of Lymnaea columella (Say, 1817), intermediate host of Fasciola hepatica (Linnaeus, 1758)
Souza, Cecília Pereira de; Magalhaes, Kelly Grace.
  • Souza, Cecília Pereira de; Fundaçao do Instituto Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Malacologia. Belo Horizonte. BR
  • Magalhaes, Kelly Grace; Fundaçao do Instituto Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Malacologia. Belo Horizonte. BR
Mem. Inst. Oswaldo Cruz ; 95(5): 739-41, Sept.-Oct. 2000. tab
Artículo en Inglés | LILACS | ID: lil-267905
ABSTRACT
The intermediate host of Fasciola hepatica, Lymnaea columella, collected in Belo Horizonte, Minas Gerais, Brazil, was reared in our laboratory. The aim of the current study was to standardize a rearing and maintenance technique. Two kinds of diet were tested fresh lettuce (A) and rodent ration + 10 percent CaCO3 plus fresh lettuce (B). The age for the beginning of oviposition ranged from 27 to 57 days. Ten days after oviposition at 24.7§C, 100 percent eclosion occurred. The complete life cycle varied from 37 to 67 days. The average numbers of eggs per egg mass were 26.3 and 31.1 with diets (A) and (B), respectively. The lettuce and ration fed snails presented a increased growth although the difference was not statistically significant (p > 0.05). The mortality rate varied from 40 to 64 percent after 90 days. The maximum longevity was 183 days, 21.5 mm length and 11 mm wide. The methodology to mass breed and maintain these snails was found to be suitable in the laboratory.
Asunto(s)
Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Fasciola hepatica / Lymnaea Límite: Animales Idioma: Inglés Revista: Mem. Inst. Oswaldo Cruz Asunto de la revista: Medicina Tropical / Parasitología Año: 2000 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Fundaçao do Instituto Oswaldo Cruz/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Fasciola hepatica / Lymnaea Límite: Animales Idioma: Inglés Revista: Mem. Inst. Oswaldo Cruz Asunto de la revista: Medicina Tropical / Parasitología Año: 2000 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Fundaçao do Instituto Oswaldo Cruz/BR