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Echinococcus Granulosus in the Endangered Patagonian Huemul (Hippocamelus bisulcus).
J Wildl Dis 2019; 55(3):694-698JW

Abstract

Cystic echinococcosis (CE) is a zoonotic parasitic disease associated with Echinococcus granulosus. The parasite is maintained by domestic and wild canids as definitive hosts with several ungulate species as intermediate hosts in domestic and peridomestic transmission cycles. In Chile, CE is endemic, and the role of livestock and dogs (Canis lupus familiaris) in the cycle and the accidental infection of humans are widely documented at rural sites. However, the role of wild herbivores in wild cycles or the potential transmission of CE from livestock is still unknown in Chile and the rest of South America. We used molecular techniques to describe CE infecting a Patagonian huemul (Hippocamelus bisulcus) in Cerro Castillo National Reserve (Aysén region, Chile). We make inferences about the risk of disease spillover from sympatric domestic and wild species. The DNA-based molecular analysis revealed that the huemul was infected with E. granulosus G1 genotype, sharing haplotypes with other G1 samples collected from sheep (Ovis aries) and cattle (Bos taurus) worldwide. Geographic overlap between sheep and huemul populations in the reserve likely facilitates parasite spillover into wild deer populations, with shepherd or stray dogs and wild foxes (Lycalopex culpaeus) potentially acting as bridging hosts between livestock and the endangered huemul. Further studies are warranted to understand the implications of E. granulosus for huemul conservation throughout the Chilean Patagonia.

Authors+Show Affiliations

1 Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.2 Instituto de Patología Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile. 3 Programa de Investigación Aplicada en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.1 Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.4 Servicio Agrícola y Ganadero, Av. Ogana 1060, Coyhaique, Chile.4 Servicio Agrícola y Ganadero, Av. Ogana 1060, Coyhaique, Chile.5 Corporación Nacional Forestal, Los Coigües 482, Coyhaique, Chile.5 Corporación Nacional Forestal, Los Coigües 482, Coyhaique, Chile.5 Corporación Nacional Forestal, Los Coigües 482, Coyhaique, Chile.1 Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile. 3 Programa de Investigación Aplicada en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30789781

Citation

Hernández, Felipe, et al. "Echinococcus Granulosus in the Endangered Patagonian Huemul (Hippocamelus Bisulcus)." Journal of Wildlife Diseases, vol. 55, no. 3, 2019, pp. 694-698.
Hernández F, Verdugo C, Cárdenas F, et al. Echinococcus Granulosus in the Endangered Patagonian Huemul (Hippocamelus bisulcus). J Wildl Dis. 2019;55(3):694-698.
Hernández, F., Verdugo, C., Cárdenas, F., Sandoval, R., Morales, N., Olmedo, P., ... Acosta-Jamett, G. (2019). Echinococcus Granulosus in the Endangered Patagonian Huemul (Hippocamelus bisulcus). Journal of Wildlife Diseases, 55(3), pp. 694-698.
Hernández F, et al. Echinococcus Granulosus in the Endangered Patagonian Huemul (Hippocamelus Bisulcus). J Wildl Dis. 2019;55(3):694-698. PubMed PMID: 30789781.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Echinococcus Granulosus in the Endangered Patagonian Huemul (Hippocamelus bisulcus). AU - Hernández,Felipe, AU - Verdugo,Claudio, AU - Cárdenas,Francisca, AU - Sandoval,Rodrigo, AU - Morales,Nelly, AU - Olmedo,Pablo, AU - Bahamonde,Andrea, AU - Aldridge,Dennis, AU - Acosta-Jamett,Gerardo, Y1 - 2019/02/21/ PY - 2019/2/23/pubmed PY - 2019/2/23/medline PY - 2019/2/22/entrez KW - KW - Cystic echinococcosis KW - G1 genotype SP - 694 EP - 698 JF - Journal of wildlife diseases JO - J. Wildl. Dis. VL - 55 IS - 3 N2 - Cystic echinococcosis (CE) is a zoonotic parasitic disease associated with Echinococcus granulosus. The parasite is maintained by domestic and wild canids as definitive hosts with several ungulate species as intermediate hosts in domestic and peridomestic transmission cycles. In Chile, CE is endemic, and the role of livestock and dogs (Canis lupus familiaris) in the cycle and the accidental infection of humans are widely documented at rural sites. However, the role of wild herbivores in wild cycles or the potential transmission of CE from livestock is still unknown in Chile and the rest of South America. We used molecular techniques to describe CE infecting a Patagonian huemul (Hippocamelus bisulcus) in Cerro Castillo National Reserve (Aysén region, Chile). We make inferences about the risk of disease spillover from sympatric domestic and wild species. The DNA-based molecular analysis revealed that the huemul was infected with E. granulosus G1 genotype, sharing haplotypes with other G1 samples collected from sheep (Ovis aries) and cattle (Bos taurus) worldwide. Geographic overlap between sheep and huemul populations in the reserve likely facilitates parasite spillover into wild deer populations, with shepherd or stray dogs and wild foxes (Lycalopex culpaeus) potentially acting as bridging hosts between livestock and the endangered huemul. Further studies are warranted to understand the implications of E. granulosus for huemul conservation throughout the Chilean Patagonia. SN - 1943-3700 UR - https://www.unboundmedicine.com/medline/citation/30789781/Echinococcus_Granulosus_in_the_Endangered_Patagonian_Huemul__Hippocamelus_bisulcus__ DB - PRIME DP - Unbound Medicine ER -