Cnemidocoptes gallinae, the depluming mite, the itch mite: worldwide. Cnemidocoptes mutans, the scaly leg mite: worldwide. Epidermoptes. 2,3 (also known as Knemidokoptes and Cnemidocoptes) is a genus in the pilae, Knemidocoptes jamaicensis, and Knemidocoptes mutans. The scaly-leg mite of poultry has been studied under various names. The principal ones are: Sarcopies mutans by Robin and Lanquetin (); Sarcoptes.

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The principal ones are: To prevent the infestation of mite-free poultry cnemidpcoptes it is essential to keep wild birds away.

Unlike red fowl mites that visit their hosts only for feeding, northern fowl mites spend their whole life on the host. Diagnosis is done based on the typical leg deformations and after identification of mites of skin scrappings of the legs.

It is important to obtain the approved full strength DM from agricultural merchants as pet shop products are generally diluted and not as effective.

The northern fowl mite is also an obligate bloodsucking parasite. History and clinical signs are very suggestive of the disease. Northern Fowl mite NFM is similar in size and colour to red mite but spends its entire life cycle on the bird quickly causing anaemia and death. In regions with a cold winter mite populations increase as the weather gets colder, peak in late winter and spring, and diminish progressively as the weather becomes hotter.

The life cycle of the red mite is horrifyingly short – ten days from hatch to breeding, especially in warm weather, so you can see how a small infestation can quickly get out of hand. Under favorable conditions hot and humid weather they can complete their life cycle as shortly as in 7 days: Oxford University Press is a department of the University of Oxford.


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New purchases should always be checked for this condition. Louse powder is not effective against these mites, use DM on the bird.

Cnemidocoptes mutans | definition of Cnemidocoptes mutans by Medical dictionary

Sign in via your Institution Sign in. You do not currently have access to this article. Adult females lay 3 to 5 eggs at a time. Wild birds that visit poultry houses can introduce mites. Abstract The scaly-leg mite of poultry has been studied under various names.


To purchase short term access, please sign in to your Oxford Academic account above. For the control of scaly leg mites the legs can also be treated with Vaseline, or dipped twice in mineral oil, kerosene, linseed oil or any of the previously mentioned parasiticides. Scales, cnemidocooptes feathers, are moulted once a year, so after the crusts have fallen off the flesh is raw beneath so do not pull the crusts offheavily infested legs may take a year to look normal again.

They can also survive without a meal for months, and if you enter a hen house which has been empty for some time and you get covered from head to toe in tiny grey specks, these are very hungry red mite. Your right hand is then free to apply the dusting powder under the tail particularly, under the wings, along the abdomen, then over the back and neck, rubbing well in.


Dermanyssus mites can infest poultry operations through numerous routes. There are no licensed products to control Northern Fowl mite, but DM can of course be applied to a chicken no withdrawal time for eggs if affected.

It attacks many domestic and wild bird speciesbut also rodents such as rats and micewhich can significantly contribute to its transmission. If you originally registered with a username please use that to sign in. The disease associated with this mite is called depluming itch.

Part 4 – External and Internal Parasites of Chickens

Receive exclusive offers and updates from Oxford Academic. Infested birds have dirty looking patches on them and are depressed, cockerels tend to be more affected, but it is always worth checking the hens as well.

Cnemidocoptes mutansthe scaly leg mite: The mites can be than examined under a magnifying glass or under a microscope. However, the problem seems to be so far less acute and widespread than with red fowl mites.

MITES of CHICKENS and POULTRY: biology, prevention, non-chemical and chemical control

An alternative to spraying can be in placing acaricide-impregnated self-made mite traps inside de poultry houses close to the birds cages, perches, etc. The most relevant species are:.

There are two major groups of poultry mites, those that suck blood, and those that don’t suck blood. Anatomy of Cnemidocoptes Mutans R. Transmission is by direct contact between the birds.