Introduction

Rats can be affected by both burrowing and fur mite species.

Burrowing Mites

Rats may rarely be infected with the burrowing mite Notoedres muris also known as ear mites.

Fur Mites

Radfordia ensifera is the most common species. It is transferred by direct contact.

Clinical Signs

There may be no clinical signs or the rat may develop small scaly lesions around the head and shoulders.

Treatment

Two injections of Ivermectin administered subcutaneously 7 days apart are reported to be effective. The environment should be treated with insecticidal sprays.

References

Bond, Hendricks, Loeffler (2009) Veterinary Dermatology RVC Intergrated BVetMed Course, Royal Veterinary College

Merck & Co (2009) The Merck Veterinary Manual (Ninth Edition), Merial




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