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Mammals (other)
Use of oral fluralaner (Bravecto) to successfully manage adult-onset generalised demodicosis in a silver fox (Vulpes vulpes)
  1. Amanda Burke1,
  2. Jack Kottwitz2,3,
  3. Chengming Wang4 and
  4. Amelia White1
  1. 1Clinical Sciences, Auburn University College of Veterinary Medicine, Auburn, Alabama, USA
  2. 2Clinical Pharmacology Laboratory, Auburn University College of Veterinary Medicine, Auburn, Alabama, USA
  3. 3Noah's Ark, Locust Grove, Georgia, USA
  4. 4Pathobiology, Auburn University College of Veterinary Medicine, Auburn, Alabama, USA
  1. Correspondence to Dr Amelia White; agw0013{at}auburn.edu

Abstract

A six-year-old spayed female silver fox (Vulpes vulpes) presented with bilateral ocular discharge, lethargy, facial alopecia and dermatitis of six months’ duration. The fox was immobilised with ketamine (4 mg/kg), dexmedetomidine (0.01 mg/kg) and butorphanol (0.05 mg/kg) intramuscularly for skin cytology, skin scrapings, dermatophyte culture, bloodwork, faecal floatation and skin biopsies. Diagnostics revealed numerous Demodex species mites. Histopathology showed folliculitis, perifolliculitis and furunculosis with mites, identified as Demodex canis using RT-PCR. The fox received meloxicam (0.2 mg/kg by mouth, three days), cefovecin (8.6 mg/kg subcutaneously, single injection), praziquantel (56.8 mg, subcutaneously, single injection), and fluralaner (250 mg, by mouth, once every 12 weeks, Bravecto). Complete resolution was noted one month after initiating treatment. Thirteen months later the fox remains mite-free and is receiving fluralaner by mouth every 12 weeks. This case report describes successful management of adult-onset generalised Demodex species dermatitis in a silver fox using oral fluralaner.

  • dermatology
  • infectious diseases
  • parasitology
  • RT-PCR techniques
  • wildlife
  • dermatopathology
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Footnotes

  • Contributors All authors contributed to the diagnosis, management and/or preparation of this manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement No additional data are available.

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