ISSN 2398-2977      

Demodectic mange

pequis

Synonym(s): Follicular mange, red mange, demodicosis


Introduction

  • Uncommon parasitic skin disease of horses.
  • Cause: mange miteDemodex equiandD. caballi.
  • Signs: scaling, hair loss, papulopustular eruptions.
  • Diagnosis: skin scrapes from lesions.
  • Treatment: ectoparasiticides.
  • Prognosis: good to guarded.

Pathogenesis

Etiology

  • Demodex caballi- long mite found on eyelids or muzzle.
  • Demodex equi- short mite found on body.
  • Commensal skin organism, rarely pathogenic.

Specific

  • Immunosuppression secondary to drugs, eg glucocorticoids, concurrent disease, malnutrition, stress.

Pathophysiology

  • Immunosuppression    →   mites multiply in follicles   →   inflammation   →   folliculitis.

Diagnosis

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Treatment

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Outcomes

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Tarry D (1994) Horse ectoparasite problems in Britain. Equine Vet Educ VetMedResource.
  • Scott D W & White K K (1983) Demodicosis associated with systemic glucocorticoid therapy in two horsesEquine Pract 5, 31 PubMed VetMedResource.
  • Desch C E Jr & Nutting W B (1979) Redescription of Demodex caballi (=D. folliculorum var. equi Railliet, 1895) from the horse, Equus caballusAcarologia 20 (2), 235-240 PubMed.

Other sources of information

  • Rose R J & Hodgson D R (1993) Manual of Equine Practice. Saunders. ISBN: 0 7216 3739 6.
  • Urqhart G M, Armour J, Duncan J L, Dunn A M & Jennings F W (1988) Veterinary Parasitology. Longmann Scientific & Technical. ISBN: 0 5824 0906 3.

Can’t find what you’re looking for?

We have an ever growing content library on Vetlexicon so if you ever find we haven't covered something that you need please fill in the form below and let us know!

 
 
 
 

To show you are not a Bot please can you enter the number showing adjacent to this field

 Security code