Performance of the Psoroptes ovis antibody enzyme-linked immunosorbent assay in the face of low-level mite infestation

Hamer, K., Burgess, S., Busin, V. and Sargison, N. D. (2019) Performance of the Psoroptes ovis antibody enzyme-linked immunosorbent assay in the face of low-level mite infestation. Veterinary Record, 185(4), 107. (doi:10.1136/vr.105304) (PMID:31127028)

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Abstract

Psoroptes ovis mites, the causative agent of sheep scab, can severely compromise sheep welfare and production. However, in subclinical infections, mite detection is difficult increasing the risk of spread. A recent serodiagnostic test, based on detecting host antibodies to the P ovis allergen, Pso o 2, has made the detection of subclinical infection possible. The use of this test was demonstrated in subclinical situations, through an opportunistic observational study on an extensive hill farm and a lowland flock with recently introduced, quarantined livestock. Twelve animals were tested from each group. Breeding ewes and lambs on the hill farm had seroprevalences of 16 per cent (12.5–17.8 per cent) and 8.3 per cent (4.8–10.1 per cent), respectively. Quarantined store lambs had a seroprevalence of 16.7 per cent (13.2–18.5 per cent); no evidence of P ovis was found in quarantined replacement ewes. By detecting subclinical infection, this serological test could be a powerful tool in sheep scab control, for quarantine procedures, accreditation programmes, and possibly regional or national eradication protocols.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Hamer, Miss Kim and Busin, Valentina
Authors: Hamer, K., Burgess, S., Busin, V., and Sargison, N. D.
College/School:College of Medical Veterinary and Life Sciences > School of Veterinary Medicine
Journal Name:Veterinary Record
Publisher:BMJ Publishing Group
ISSN:0042-4900
ISSN (Online):2042-7670
Published Online:24 May 2019
Copyright Holders:Copyright © 2019 British Veterinary Association
First Published:First published in Veterinary Record 185(4):107
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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