Abondance du potamochère, Potamochoerus larvatus, dans les savanes du Nord-Ouest de Madagascar et risques épidémiologiques associés

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Abstract

The Potamochoerus larvatus bush-pig is a potential reservoir of enzootic diseases in the wild in Madagascar. Among these, African swine fever (ASF) is one of the most alarming. Diagnosed in the country in 1998, this specific viral swine disease is still widespread. Characterising the transmission of the virus between domestic pigs and wild pigs is an essential preliminary step before implementing health measures against ASF. This paper reports on a study to determine the risk of disease transmission between wild pigs and domestic pigs in the savannah zones of Ankarafantsika National Park in north-western Madagascar, where there are many rural pig farms. The Kilometric Abundance Index method used showed a significant increase in the abundance of wild pigs outside forests during the fruiting period of Strychnos spinosa. The ASF transmission risk in the savannah zone during this period is therefore higher in sites where these shrubs occur. Epidemiologically, the mature fruit can serve as an indicator of bush-pig presence. Using this indicator to adapt farming practices with a view to reducing contact could limit the potential risk of contamination by the ASF virus or other pathogens carried by bush-pigs.

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APA

Rouillé, A., Pedrono, M., Rakotomalala, É., Grosbois, V., Ramy-Ratiarison, R., & Roger, F. (2014). Abondance du potamochère, Potamochoerus larvatus, dans les savanes du Nord-Ouest de Madagascar et risques épidémiologiques associés. Bois et Forets Des Tropiques, 68(320), 75–82. https://doi.org/10.19182/bft2014.320.a20546

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