An outbreak of Chorioptes bovis mange on a dairy farm in Tabriz, Iran

Document Type: Short paper

Authors

1 Department of Parasitology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

2 Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

3 Department of Veterinary Tropical Diseases, Faculty of Veterinary Medicine, University of Pretoria, Pretoria, South Africa

Abstract

This report is on infestation with Chorioptes bovis of Holstein cattle on a dairy farm included 900 cows
in Tabriz. Ten heifers and 25 milking cows under the age of 5 years were infested. Clinical signs consisted of
alopecia, crusts, ulcerations and superficial skin fissures. Pruritus and itching were severe in all cases.
Lesions were present around the base of the tail, on the neck and below the knee. Skin scrapings were
examined and eggs, larvae, nymphs and adult mites were recovered. The infested animals were separated
from others and treated three times at weekly intervals with 0.05% solution of sebacil. Signs of improvement
were observed after the final treatment.

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