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Diagnosis of amitraz resistance in Boophilus microplus in New Caledonia with the modified Larval Packet Test

Ducornez Sophie, Barré Nicolas, Miller R.J., De Garine-Wichatitsky Michel. 2005. Diagnosis of amitraz resistance in Boophilus microplus in New Caledonia with the modified Larval Packet Test. Veterinary Parasitology, 130 : pp. 285-292.

Journal article ; Article de revue à facteur d'impact
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Abstract : The tick Boophilus microplus represents a serious pathological constraint to livestock production in New Caledonia. Cattle ticks are controlled by chemical application of two acaricides that are currently used in New Caledonia; deltamethrin is used at 46% of the cattle production facilities and amitraz at the remaining 54% premises where resistance to deltamethrin has been identified. In 2003, a modified Larval Packet Test (LPT) was used to conduct a survey for amitraz resistance. Ticks were collected from 29 farms, including farms using deltamethrin (n = 8) or amitraz (n = 21). Of eighteen different tick populations, sixteen populations were defined susceptible to amitraz and two populations were considered amitraz-resistant. This is the first report of populations of B. microplus being resistant to amitraz, using the modified LPT in New Caledonia. A thorough survey of tick susceptibility to amitraz in cattle farms of the country should be conducted to assess the presence of amitraz-resistant populations. The emergence of amitraz resistance so soon after its introduction has some important implications for the strategy and organisation of tick control in New Caledonia, and this paper discusses some of the urgent actions that should be undertaken. (Résumé d'auteur)

Mots-clés Agrovoc : Résistance aux pesticides, Amitraze, Boophilus microplus, Acaricide, Contrôle de maladies, Bovin

Mots-clés géographiques Agrovoc : Nouvelle-Calédonie

Classification Agris : L73 - Animal diseases

Champ stratégique Cirad : Axe 4 (2005-2013) - Santé animale et maladies émergentes

Auteurs et affiliations

  • Ducornez Sophie, IAC (NCL)
  • Barré Nicolas, CIRAD-EMVT-ECONAP (NCL)
  • Miller R.J., IAC (NCL)
  • De Garine-Wichatitsky Michel, CIRAD-EMVT-ECONAP (NCL) ORCID: 0000-0002-5438-1473

Autres liens de la publication

  • Document en bibliothèque
  • Localisation du document : BA_PEBA808 [(Bibliothèque de Baillarguet)] ; BA_BR3060 [(Bibliothèque de Baillarguet)]

Source : Cirad - Agritrop (https://agritrop.cirad.fr/527452/)

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