Control of Strongyloides westeri by nematophagous fungi after passage through the gastrointestinal tract of donkeys

Strongyloides westeri is the most prevalent nematode among equines aged up to four months and causes gastrointestinal disorders. The objective of this study was to observe the control of infective S. westeri larvae (L3) by the nematophagous fungi Duddingtonia flagrans (AC001) and Monacrosporium thau...

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Published in:Revista brasileira de parasitologia veterinaria 2012-04, Vol.21 (2), p.157-160
Main Authors: Araujo, Juliana Milani, Araújo, Jackson Victor de, Braga, Fabio Ribeiro, Tavela, Alexandre de Oliveira, Ferreira, Sebastião Rodrigo, Soares, Filippe Elias de Freitas, Carvalho, Giovanni Ribeiro
Format: Article
Language:English
Subjects:
Animals
Ascomycota
Duddingtonia
Equidae - parasitology
Female
Gastrointestinal Tract - parasitology
PARASITOLOGY
Strongyloides - microbiology
Strongyloidiasis - therapy
VETERINARY SCIENCES
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Summary:Strongyloides westeri is the most prevalent nematode among equines aged up to four months and causes gastrointestinal disorders. The objective of this study was to observe the control of infective S. westeri larvae (L3) by the nematophagous fungi Duddingtonia flagrans (AC001) and Monacrosporium thaumasium (NF34) after passage through the gastrointestinal tract of female donkeys. Twelve dewormed female donkeys that were kept in stables were used. Two treatment groups each comprising four animals received orally 100 g of pellets made of sodium alginate matrix containing a mycelial mass of either D. flagrans (AC001) or M. thaumasium (NF34). The control group consisted of four animals that received pellets without fungus. Feces samples were then collected from the animal groups at different times (after 12, 24, 48 and 72 hours). These feces were placed in Petri dishes containing 2% water-agar medium and 1000 L3 of S. westeri. AC001 and NF34 isolates showed the ability to destroy the L3, after gastrointestinal transit, thus demonstrating their viability and predatory activity.
ISSN:1984-2961
1984-2961
DOI:10.1590/S1984-29612012000200016