Crilly, J. P., Nunn, F., Busin, V. , Marr, E. J., Jennings, A. E., Burgess, S. T. G. and Sargison, N. D. (2016) Investigation and treatment of ovine psoroptic otoacariasis. Veterinary Dermatology, 27(3), 206-e52. (doi: 10.1111/vde.12314) (PMID:27188771)
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Abstract
Background: Psoroptic otoacariasis has been described worldwide and is caused by a mite morphologically indistinguishable from the sheep scab mite Psoroptes ovis. A single treatment of affected sheep with 200 μg/kg of injectable ivermectin is reported to be curative. Case report: Psoroptes mites were isolated following treatment with ivermectin, but treatment with moxidectin at 1 mg/kg caused complete cessation of clinical signs. Affected animals were seropositive to Pso o 2 antigen enzyme-linked immunosorbent assay (ELISA) and had serum haptoglobin concentrations that overlapped with those described for field infections of classical sheep scab. Conclusions and clinical importance: Psoroptic otoacariasis is not controlled by single treatments of injectable ivermectin but resolves after a single treatment with injectable moxidectin. Pso o 2 ELISA can detect infection with Psoroptes spp. mites but cannot distinguish between sheep scab and psoroptic otoacariasis.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Busin, Valentina |
| Authors: | Crilly, J. P., Nunn, F., Busin, V., Marr, E. J., Jennings, A. E., Burgess, S. T. G., and Sargison, N. D. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine |
| Journal Name: | Veterinary Dermatology |
| Publisher: | Wiley |
| ISSN: | 0959-4493 |
| ISSN (Online): | 1365-3164 |
| Published Online: | 18 May 2016 |
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