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In vitro effect of condensed tannin extract from Acacia molissima on gastrointestinal nematodes of ovine

Published online by Cambridge University Press:  23 November 2017

A P Minho ,
I C S Bueno ,
S M Gennari  and
A L Abdalla
A P Minho*
Affiliation:
Animal Nutrition Laboratory, Centre for Nuclear Energy in Agriculture, Piracicaba, São Paulo, Brazil
I C S Bueno
Affiliation:
FAV, Univrssity of Brasilia, Brasília, Distrito Federal, Brazil
S M Gennari
Affiliation:
Dept. of Preventive Veterinary Medicine, Faculty of Veterinary Medicine, USP, São Paulo, São Paulo, Brazil
A L Abdalla
Affiliation:
Animal Nutrition Laboratory, Centre for Nuclear Energy in Agriculture, Piracicaba, São Paulo, Brazil
*
Email: apminho@cena.usp.br
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Extract

Although some argument is still ongoing about the resistance to different anthelmintics, there is a general agreement that reversion to susceptibility is rare once drug resistance (DR) has developed in livestock helminths, even when other drugs with completely different working mechanisms are used for prolonged periods. Some in vitro methods have been used to investigate the efficacy of towards nematode parasite: larval development (LD), larval migration inhibition (LMI), larval feeding inhibition (LFI) and egg hatch (EH) assays (Amarante et al. , 1997; Coles et al., 1988). The aim of this work was to determine the potential inhibitory effect of condensed tannins or other bioactive compounds from Acacia molissima extract on the feeding of first stage larvae of Haemonchus contortus, Trichostrongylus vitrinus and Teladorsagia circumcincta, using the LFI test.

Type
Poster presentations
Information
Proceedings of the British Society of Animal Science , Volume 2006 , March 2006 , pp. 159
Copyright
Copyright © 2016 The American Society of International Law

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References

Amarante, A.F.T., Pomroy, W.E., Charleston, W.A.G., Leathwick, D.M. & Tornero, M.T.T. 1997. Evaluation of a Larval Development Assay for the detection of anthelmintic resistance in Ostertagia circumcincta . International Journal for Parasitology 27, 305-311.Google Scholar
Coles, G.C., Tritschler, J.P., Giordano, D.J. & Schmidt, A.L. 1988. Larval development test for detection of anthelmintic resistant nematodes. Research in Veterinary Science 45, 50-53.CrossRefGoogle ScholarPubMed