Abstract
Cases of sarcoptic mange in the wildlife population have been increasing around the world in recent years. In this study, we report the first case of severe sarcoptic mange in two Andean foxes (Lycalopex culpaeus) and molecularly analyze the collected mites. The National Forestry and Wildlife Service of Lima, Peru, found an adult male Andean fox in the province of Callao in August 2022. The veterinarians decided to euthanize the fox due to the severity of the mange. In August 2023, an adult male Andean fox was found dead in the province of Huaral by veterinarians. Both foxes were sent to the veterinary school in Lima for necropsy. Skin samples from different body zones were digested in buffer lysis, and mites were detected in the tissue samples. A morphological diagnosis identified the mites as Sarcoptes scabiei. The mites from both foxes had the same nuclear (ITS2) and mitochondrial (cox1) genetic marker sequences as the S. scabiei sequences from dogs, vicunas, Andean foxes, and water buffalos recorded in GenBank. Unlike ITS2, phylogenetic analysis of S. scabiei cox1 showed host-related nucleotide sequence polymorphisms. Future molecular studies of S. scabiei from different hosts and localities will be necessary to better understand the transmission of this disease in Andean foxes.
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L.A.G.P. Sample collection, molecular analysis, writing – original draft, writing- Reviewing and Editing. J.J.V., M.A., J.M.G., and W.R.A.: Sample collection, writing – original draft. H.C.: Writing- Reviewing and Editing. All authors read and approved the final manuscript.
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This study was included in the research protocol approved by the Research Ethics Committee for Experimentation in Wildlife at the Forest and Wildlife Service of Peru (SERFOR) (018–2018-MINAGRI-SERFOR-DGGSPFFS).
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Gomez-Puerta, L.A., Jara-Vila, J., Anampa, M. et al. Molecular characterization of Sarcoptes scabiei causing severe mange in two Andean foxes (Lycalopex culpaeus) from Peru. Parasitol Res 123, 97 (2024). https://doi.org/10.1007/s00436-024-08122-3
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DOI: https://doi.org/10.1007/s00436-024-08122-3