Difference between revisions of "Ornithonyssus"
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Revision as of 22:18, 9 October 2010
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This article has been peer reviewed but is awaiting expert review. If you would like to help with this, please see more information about expert reviewing. |
| Ornithonyssus | |
|---|---|
| Phylum | Arthropoda |
| Class | Arachnida |
| Order | Mesostigmata |
| Family | Macronyssidae |
| Genus | Ornithonyssus |
Also known as: Northern mite — Northern feather mite
Introduction
The Ornithonyssus mite is closely related to the Dermanyssus mite. They are surface mites that occur in caged birds and poultry.
Identification
The mites are small and very motile. They have a few hairs present and are semi-transparent in colour until they have a blood meal. They are oval in shape and have eight legs, except the larvae which have 6 legs.
Life cycle
The mite spends its entire life cycle on the host.
Pathogenesis
The mite causes feathers to become matted and severe scabbing can develop. Scabs are particularly seen around the vent. The presence of the mite decreases egg production. Grey or black discolouration of feathers is seen when large numbers of mites are present.
Literature Search
Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
Ornithonyssus publications
References
Owen JP, Delany ME, Cardona CJ, Bickford AA, Mullens BA (February 2009). "Host inflammatory response governs fitness in an avian ectoparasite, the northern fowl mite (Ornithonyssus sylviarum)". Int. J. Parasitol