Release of lungworm larvae from snails in the environment: potential for alternative transmission pathways

Abstract

Gastropod-borne parasites may cause debilitating clinical conditions in animals and humans following the consumption of infected intermediate or paratenic hosts. However, the ingestion of fresh vegetables contaminated by snail mucus and/or water has also been proposed as a source of the infection for some zoonotic metastrongyloids (e.g., Angiostrongylus cantonensis). In the meantime, the feline lungworms Aelurostrongylus abstrusus and Troglostrongylus brevior are increasingly spreading among cat populations, along with their gastropod intermediate hosts. The aim of this study was to assess the potential of alternative transmission pathways for A. abstrusus and T. brevior L3 via the mucus of infected Helix aspersa snails and the water where gastropods died. In addition, the histological examination of snail specimens provided information on the larval localization and inflammatory reactions in the intermediate host.


Autore Pugliese

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  • GIANNELLI A.;OTRANTO D.;BRIANTI E.;DANTAS TORRES F.;DO NASCIMENTO RAMOS R.A.;COLELLA V.

Titolo volume/Rivista

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Anno di pubblicazione

2015

ISSN

1935-2735

ISBN

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Settori ERC

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Codici ASJC

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