Document Detail


Biological control of trichostrongyles in beef cattle by the nematophagous fungus Duddingtonia flagrans in tropical southeastern Brazil.
MedLine Citation:
PMID:  22975475     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The efficacy of a fungal formulation based on the nematophagous fungus Duddingtonia flagrans was assessed in the control of cattle trichostrongyles. Twenty male Nellore calves, six-month-old, divided in two groups (fungus-treated and control without fungus) were fed on a pasture of Brachiaria decumbens naturally infected with larvae of bovine trichostrongyles. Animals of the treated group received doses of sodium alginate mycelial pellets orally (1g/10kg live weight, twice a week), for 12months. Feces samples were collected for egg count (eggs per gram of feces-EPG) and coprocultures during 12months. There was a significant reduction in EPG (56.7%) and infective larvae (L3) in coprocultures (60.5%) for animals of the treated group in relation to the control group at the end of the study. There was a significant reduction of L3 (64.5%) in herbage samples collected up to 0-20cm from fecal pats and 73.2% in distant samples (20-40cm) between the fungus-treated group and the control group. The treatment with sodium alginate pellets containing the nematode trapping fungus D. flagrans reduced trichostrongylid in tropical southeastern Brazil and could be an effective tool for biological control of this parasitic nematode in beef cattle.
Authors:
R C L Assis; F D Luns; J V Araújo; F R Braga
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-4
Journal Detail:
Title:  Experimental parasitology     Volume:  -     ISSN:  1090-2449     ISO Abbreviation:  Exp. Parasitol.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370713     Medline TA:  Exp Parasitol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Inc.
Affiliation:
Federal University of Viçosa, Department of Veterinary Medicine, Laboratory of Parasitology, Av. P.H. Rolphs-Viçosa Campus, Zip code 36570 000, Viçosa-Minas Gerais, Brazil. Electronic address: rafaela.carolina@ufv.br.
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