Document Detail

Survival of Pochonia chlamydosporia in the gastrointestinal tract of experimentally treated dogs.
MedLine Citation:
PMID:  22100247     Owner:  NLM     Status:  Publisher    
The predatory capacity of the nematophagous fungus Pochonia chlamydosporia (isolate VC4) after passage through the gastrointestinal tract of dogs was assessed in vivo against Toxocara canis eggs. Twelve dogs previously wormed were divided into two groups of six animals and caged. The treatments consisted of a fungus-treated group (VC4) and a control group without fungus. Each dog of the fungus-treated group received a single 4g dose of mycelial mass of P. chlamydosporia (VC4). Fecal samples from animals of both groups (treated and control) were collected at five different times (6, 12, 24, 36, and 48h) after fungal administration, and placed in Petri dishes. Each Petri dish of both groups for each studied time interval received approximately 1000 T. canis eggs. Thirty days after the fecal samples were collected, approximately one hundred eggs were removed from each Petri dish of each studied time interval and evaluated by light microscopy (LM) and scanning electron microscopy (SEM). Microscopy examination of plates inoculated with the fungus showed that the isolate VC4 was able to destroy the T. canis eggs with destruction percentages of 28.6% (6h), 29.1% (12h), 32.0% (24h), 31.7% (36h), and 37.2% (48h). These results suggest that P. chlamydosporia can be used as a tool for the biological control of T. canis eggs in feces of contaminated dogs.
Juliana M Araujo; Jackson V Araújo; Fabio R Braga; Dayane M Araújo; Sebastião R Ferreira; Filippe E F Soares; Laércio Dos A Benjamin
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-17
Journal Detail:
Title:  Research in veterinary science     Volume:  -     ISSN:  1532-2661     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401300     Medline TA:  Res Vet Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa-MG, Cep 36.570-000, Brazil.
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