11.07.2015 Views

Manuel de lutte contre les parasites internes du mouton

Manuel de lutte contre les parasites internes du mouton

Manuel de lutte contre les parasites internes du mouton

SHOW MORE
SHOW LESS
  • No tags were found...

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Nous tenons à remercier <strong>les</strong> organismes suivants, qui financent la recherche <strong>contre</strong><strong>les</strong> <strong>parasites</strong> <strong>du</strong> <strong>mouton</strong> :Ontario Ministry of Agriculture Food and Rural AffairsOrganic Agriculture Centre of CanadaGartshore Sheep Research FundAnimal Health Strategic Investment FundOntario Sheep Marketing AgencyCanadian Sheep Fe<strong>de</strong>rationMerial CanadaUniversity of Guelph - OMAFRA PartnershipHome HardwareEcological Farmers Assoc of OntarioOntario BioHomestead OrganicsFieldgate OrganicsTable <strong>de</strong>s matièresINTRODUCTION ........................................................................................................................... 1PRINCIPAUX NÉMATODES GASTROINTESTINAUX ......................................................................... 1Caillette ............................................................................................................................................................1Haemonchus contortus ................................................................................................................................................. 3Teladorsagia circumcincta ............................................................................................................................................ 3Trichostrongylus axei .................................................................................................................................................... 3Intestin grêle ....................................................................................................................................................4Trichostrongylus colubriformis et T. vitrinus................................................................................................................. 4Nematodirus battus, N. filicollis et N. spathiger ........................................................................................................... 5Cycle <strong>de</strong> vie typique d’un némato<strong>de</strong> gastrointestinal parasite ........................................................................6ÉPIDÉMIOLOGIE DES NÉMATODES GASTROINTESTINAUX PARASITES ........................................... 7Mo<strong>de</strong>s d'infection normaux chez <strong>les</strong> agneaux et <strong>les</strong> a<strong>du</strong>ltes ...........................................................................7Hypobiose ou inhibition larvaire ......................................................................................................................8Immunité <strong>du</strong> <strong>mouton</strong> et far<strong>de</strong>au parasitaire ...................................................................................................8Immunité acquise <strong>contre</strong> <strong>les</strong> <strong>parasites</strong> ......................................................................................................................... 8Hausse périnatale <strong>du</strong> compte d’œufs ........................................................................................................................... 8Résistance génétique aux infections par <strong>de</strong>s NGI <strong>parasites</strong> ......................................................................................... 9Résilience à l’infection parasitaire ................................................................................................................................ 9Facteurs normaux d’infectiosité dans <strong>les</strong> pâturages ........................................................................................9Refuges ......................................................................................................................................................................... 9Effet <strong>de</strong> l’environnement sur la survie <strong>de</strong>s sta<strong>de</strong>s parasitaires libres ........................................................................ 10Température ........................................................................................................................................................... 10Humidité ................................................................................................................................................................. 10<strong>Manuel</strong> <strong>de</strong> <strong>lutte</strong> <strong>contre</strong> <strong>les</strong> <strong>parasites</strong> <strong>internes</strong> <strong>du</strong> <strong>mouton</strong> * décembre 2010

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!