Surveillance and control of Trypanosoma evansi in the canary Islands: A descriptive analysis
2023
Tejedor-Junco, María Teresa | Melián Henríquez, Adrián | Peláez Puerto, Pedro | Ramos, María Dolores | González-Martín, Margarita | Morales Doreste, Manuel | Gimonneau, Geoffrey | Desquesnes, Marc | Martín Martel, Sergio | Corbera, Juan Alberto | Universidad de las Palmas de Gran Canaria (ULPGC) | Canary Islands Government | Interactions hôtes-vecteurs-parasites-environnement dans les maladies tropicales négligées dues aux trypanosomatides (UMR INTERTRYP) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Université Claude Bernard Lyon 1 (UCBL) ; Université de Lyon-Université de Lyon-Université de Bordeaux (UB) | Institut sénégalais de recherches agricoles [Dakar] (ISRA) | Interactions hôtes-agents pathogènes [Toulouse] (IHAP) ; Ecole Nationale Vétérinaire de Toulouse (ENVT) ; Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Work co-financed by the Agencia Canaria de Investigacion, ´ Innovacion ´ y Sociedad de la Informacion ´ de la Consejería de Universidades, Ciencia e Innovacion ´ y Cultura and by the European Social Fund Plus (ESF+) Programa Operativo Integrado de Canarias 2021- 2027, Eje 3 Priority Theme 74 (85%)
International audience
Mostrar más [+] Menos [-]Inglés. This study examines the occurrence of Surra, a disease caused by Trypanosoma evansi, in camels in the Canary Islands. The 1997 detection of T. evansi in camels in the Canary Islands led to the implementation of an initial control program, resulting in a decrease in prevalence. Following an outbreak in 2014, and due to the impossibility of eradicating it using the conventional measures, a lazaret was set up to separate positive and suspicious animals, in addition to the control measures previously implemented. Stomoxys calcitrans was the only vector captured, and no other animals tested were found to be positive for T. evansi. In November 2019, the last camels that tested serologically positive were detected; however, since February 2018, no camels that tested positive for PCR have been found in the farms were the outbreak was detected, suggesting that the sanitary measures implemented are adequate. The duration of the outbreak control and potential eradication for the disease has yet to be established. This study provides evidence to facilitate the control of African Animal Trypanosomosis in endemic areas of the world, which may contribute to revise the World Organization for Animal Health (WOAH) protocol to implement recommendations of surveillance and control strategies for animal Trypanosomosis in camels.
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