equis - Articles
Sarcoptes scabiei
Synonym(s): Sarcoptes scabiei var. equi S. scabiei
Introduction
Classification
Taxonomy
- Phylum: Arthropoda.
- Class: Insecta.
- Genus:Sarcoptes.
- Species:scabiei.
Distribution
- Rare disease - been eradicated from large areas of the world (occurs in UK).
Significance
- Reportable in USA.
- Induces marked pruritus Sarcoptic mange → severe itching and scratching → exudation, keratinization, connective tissue proliferation, thickening of skin with alopecia.
- Zoonosis: will transfer to humans in close contact with infected horses (eg bare-back riding) and will induce lesions (usually mild) usually on the body and arms
(lesion distribution is different from human strain ofS. scabiei). The lesions resolve spontaneously about 3-5 weeks after contact with the horse ceases as the mites of the horse strain will feed and lay eggs but will not reproduce on man. - Thought to be a number of host-adapted strains in a singleS. scabieispecies.
Active Forms
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Resting Forms
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Clinical Effects
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Diagnosis
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Further Reading
Publications
Refereed papers
- Recent references from PubMed and VetMedResource.
- De Pennington N & Colles K M (2011) Sarcoptes scabiei infestation of a donkey in the UK. Equine Vet Educ 23 (1), 19-23.