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Alternative à la chimiothérapie dans la maîtrise du parasitisme digestif des petits ruminants: Rôle des tanins condensés

{Project} Alternative à la chimiothérapie dans la maîtrise du parasitisme digestif des petits ruminants: Rôle des tanins condensés. [Alternatives to chemical drugs in the control of gastrointestinal parasitisim in small ruminants : role of condensed tannins.] Runs 2005 - 2007. Project Leader(s): Hoste, Dr Hervé, INRA.

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Summary

Recent results have shown that tanniferous plants might represent an alternative option to chemical drugs to control parasitic nematodes of the gastrointestinal tract in small ruminants since some anthelmintic activity has been associated with the consumption of the plants.
The 2 main objectives of the project are :
1 to understand the mechanisms explaining the activity of tannin rich plants against nematode parasites of sheep and goats
2 to identify novel natural resources to exploit for non chemical control of parasite
in various farming systems, including organic farming. In particular, the project focus on potential industrial agroressources
In vitro and in vivo assays on parasites and on infected animals to measure the anthelmintic effects, methods of histology and electron microscopy to examine the lesions induced by tannin to the worms, and biochemical analysis of plant extracts or industrial agroressources have been used.
The project is still in progress.
However, the current results indicate that :
- condensed tannins interfere both with the main function and structure of third stage larvae
- some industrial resources for tannins have been identified


EPrint Type:Project description
Keywords:parasitism, tannins, nematodes, ruminants, anthelmintic effects
Subjects: Animal husbandry > Production systems > Sheep and goats
Animal husbandry > Health and welfare
Research affiliation: France > INRA - Institut National de la Recherche Agronomique
Research funders: France > INRA - Institut National de la Recherche Agronomique
Location:UMR 1225 INRA DGER ENVT 23 chemin des Capelles
31076 TOULOUSE
Start Date:1 January 2005
End Date:31 December 2007
Deposited By: HOSTE, Dr HERVE
ID Code:6525
Deposited On:21 Jan 2006
Last Modified:20 Aug 2009 14:29

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