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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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It is nocturnal and sucks the blood of the hens at night, making it comparatively easy to control, if you are looking for it. Mites make be transported from one poultry house to another one within egg baskets and flats, barrows and many other items. It can also cause cannibalism among the birds. On a dark-legged bird, the beginnings of the white crusts can be easily seen.

Cnemidocoptes mutans the scaly leg mite | (photo credit: ILR… | Flickr

Wild birds that visit or nest in poultry houses can introduce mites. It causes ill thrift but is the vector for histomonas see below. Organic control is achieved by dunking the legs once a week for three weeks in a wide mouthed jar of surgical spirit, or putting a thick layer of petroleum jelly on the legs, which cuts off the air supply to the mites, but is rather messy.

It is seen most easily on white birds as the feathers acquire a dirty tinge.


Home Mites Poultry Mites. Sarcopies cnemidoxoptes by Robin and Lanquetin ; Sarcoptes anacanthes by Delafond and Bourguignon ; Sarcoptes changeant by Reynal and Lanquetin ; Knemidocoptes viviparous by Fiirstenburg ; Dermatoryctes mutans by Ehlers ; Cnemidocoptes mutans by Canestrini The disease caused by this mite is called scaly leg.


Red mite can live for 6 months without feeding and are then grey and very hungry.

The females are ovo-viviparous meaning that they give birth to live larval young. Under favorable conditions they can complete their life cycle as shortly as in 7 days: Infestations are worse in autumn and winter.

Epidermoptes bilobatusthe scaly skin mite: Unlike red fowl mites that visit their hosts only for feeding, northern fowl mites spend their whole life on the host.

Keeping drinkers clean helps prevent transmission and making sure vitamin A levels in winter in dark green leaves are maintained. Purchase Subscription prices and ordering Short-term Access To purchase short term access, please sign in to your Oxford Academic account above. Even a low infestation of external or internal parasites causes economic loss, so it is sensible to treat for mites when found or depending on stocking density: If there are many of them they can impact, and this is fatal.

It can be found anywhere on the body but under the tail is the most common place infected. This article is also available for rental through DeepDyve. 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.

Ornithonyssus bursathe tropical fowl mite: I agree to the terms and conditions. It is important to remember that many parasiticides approved for off-animal use on poultry houses are not approved for directly treating the birds.


This may occasionally cause feather loss around the head and neck, but feather pulling is also a cause of feather loss in this area.

Huge mite populations can build-up in a few weeks. It is a major pest in intensive poultry operations, especially in layers but also in breeder-broiler operations as well as in free ranging and backyard chicken. Decreased egg production in laying houses can be substantial. Prophylactic acaracidal treatment can be used for prevention. The bird may also be paying particular attention to their legs and may show signs of pruritus.

Transmission is by direct contact between the birds. Larvae Knemidocoptes mites have hexapod larvae. Synthetic permethrin products which are licensed for cnemidoccoptes mite and to be sprayed on the birds: This cumulated dark dirt on the base of the feathers, particularly around the vent is often a clinical symptom for diagnosis.

These can be a physical barrier to mating. Individual mites can survive off-the host for about 3 weeks without feeding.

Adult females lay 3 to 5 eggs at a time. Toxicity appears very low.

Old-fashioned remedies of diesel or creosote should not be used as these are harmful to the hens. In severe cases the crusts can cut off the circulation in the leg and gangrene can set in. Dipping, spraying or dusting the birds is mostly inefficient.