Publications des agents du Cirad


Establishment of Heartwater surveillance in an enzootic situation: Example in Guadeloupe, French West Indies

Driot C., Pradel J., Teissier R., Redon J.M., Vachiery N., Gerbier G., Lefrançois T.. 2011. Epidémiologie et Santé Animale (59-60) : p. 431-433. International Conference on Animal Health and Surveillance. 1, 2011-05-17/2011-05-20, Lyon (France).

The surveillance of heartwater, a disease of ruminants transmitted by Amblyomma variegatum tick, was established in Guadeloupe in 2010 after the recommendations of the Ticks and tick-borne diseases working group of CaribVET, the Caribbean Animal Health Network. This surveillance was designed and settled considering the epidemiological situation in Guadeloupe ie. high tick infestation and high prevalence of heartwater. The network involving farmers, private veterinarians, vet services, farmer association (GDSG) and CIRAD relies on the report of suspected cases by farmers to the field veterinarian, on the report of this case to the veterinary services, on the molecular diagnostic test for tick transmitted tropical diseases to assess the etiology and on the subsequent farmer sensitization in case of heartwater positive detection in the neighborhood. An online database was developed to allow data centralization and the real time restitution of the surveillance results on a map. The main objective of the network is to monitor the diseases of ruminants in Guadeloupe associated with nervous symptoms and better know the importance of heartwater in such clinical signs, and to describe disease distribution. Most of all, this network aims at strengthening the collaboration and interconnection of every stakeholders in the field and improve farmers knowledge dealing with the disease and its vector biology, which is a key element for the success of tick control campaigns.

Mots-clés : surveillance épidémiologique; système d'information; ehrlichia; maladie transmissible par tiques; amblyomma variegatum; vecteur de maladie; ruminant; réseau de recherche; ehrlichia ruminantium; guadeloupe; france

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