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Comunicações • Rev. Soc. Bras. Med. Trop. 44 (3) • June 2011 • https://doi.org/10.1590/S0037-86822011000300024   copy

Larvicidal activity of a crude enzyme extract of the fungus Duddingtonia flagrans on first-stage larvae of Angiostrongylus vasorum

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INTRODUCTION: Angiostrongylus vasorum is a nematode parasite of domestic dogs and potentially of humans. METHODS: This study aimed to observe the predatory activity in vitro of a crude enzyme extract of the fungus Duddingtonia flagrans on first-stage larvae of A. vasorum in laboratory conditions on 2% water-agar. RESULTS: At the end of the experiment, the percentage reductions observed for A. vasorum L1 were 53.5% (24h) and 71.3% (48h). CONCLUSIONS: Crude enzyme extract of the fungus D. flagrans destroyed the L1 in vitro and can be used as a biological control for this nematode.

Nematophagous fungi; Angiostrongylus vasorum; Duddingtonia flagrans

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