The infestation with otodectes cynotis mite is skin scrapings and faecal. Knemidocoptes is the only genus of burrowing mite found in birds. Background otodectes cynotis ear mite accounts for 5080% of cases of otitis externa in cats. It causes thick firm debris to form in the ear canal, and can eventually migrate to the skin of the outer ear and face. Mites that belong to the family psoroptidae are usually found in both the vertical and horizontal ear canals but are occasionally seen on the body.
Vet clin north am small anim pract 18 4, 773782 pubmed pott j m, riley c j 1979 the efficacy of a topical ear preparation against otodectes cynotis infection in dogs and cats. Sarolaner administered at 2mgkg as a single oral dose resulted in a 98. There are three main species of knemidocoptes that affect birds and these are k. They are the cause of otodectic otitis, the most common mange of dogs and cats in the world. Otodectes cynotis is thought to be responsible for 50% or more of feline otitis externa cases and is considered to be very contagious. This page was last edited on 19 december 2019, at 08. It feeds on the outer surface of the auditory canal skin it does not dig galleries and its saliva leads to irritation and itching, causing hypersecretion of the glands in the ear. Ear mites otodectes cynotis and cats home health uk. It is transmitted between individuals by direct contact basically hopping animal to animal, as it does not survive for long in the environment, and causes an extremely itchy ear infection which can get even worse if there is secondary infection with bacteria or fungi. No correlation was found between the prevalence of mites in foxes and samson character. Prevalence and clinical aspects of otodectes cynotis infestation in dogs and cats in the semiarid region of paraiba, brazil.
Otodectes cynotis has a worldwide distribu tion and is an ear mite of domestic and wild cats felis catus and dogs canis lupus familiaris. Two separated field studies were carried out in hungary to assess otodectes cynotis infestation and to evaluate the efficacy of 10% imidacloprid and 1. Organism names see more details infection are mentioned, but it is not really clear whether this mite is transmissible to man man. The following is based on the authors abstract and summary. Pruritus is caused by irritation and the saliva of the mites, which is. Are ear mites otodectes cynotis causes of zoonoses.
The ear mite otodectes cynotis, the causative organism of otodectic mange, is a very common nonburrowing, surfaceliving acarian which infests cats, dogs and many other carnivores. Biology of otodectes cynotis, the ear canker mite of carnivores. Mihalcac, alaboratory of parasitology, university of thessaly, veterinary faculty, po box 199, karditsa 43100, greece. The ear mite, otodectes cynotis, which commonly infects dogs and cats, is also. Otodectes cynotis mites are a common cause of otitis externa, especially in cats but also in dogs. Text is available under the creative commons attributionsharealike license. Pdf ear mite otodectes cynotis induced otitis externa and.
Examination of survival offthehost under natural and laboratory conditions article pdf available in experimental and applied acarology 323. The ear mite otodectes cynotis affects domesticated and wild carnivores. Otodectes cynotismite is a common parasite of cats and dogs. Short communication prevalence and intensity of otodectes cynotis in kittens from thessaloniki area, greece m. Ear mites are spread by direct contact and feed on the debris and cells found within the ear canals. Ear mites and the strange pursuit of knowledge worms.
Otodectes cynotis is one of the main causes for otitis externa in cats, especially in young kittens. Otodectes definition of otodectes by medical dictionary. Otodectes cynotis is found all over the world and primarily infests the ear canals of its host. After seven days post treatment clinical symptoms disappeared and no agents of otodectes cynotis were identified by microscopic examination. Psoroptidae in two distant insular endangered fox populations in chile. Sarcoptes scabiei causes sarcoptic mange scabies in humans and. The diagnosis of otoacariasis due to otodectes cynotis is based on the visualization of the parasite, either directly by otoscopy or indirectly after microscopic examination of cerumen collected by several methods objectives. Dogs with ear mites otodectes cynotis have been successfully treated with afoxolaner, fluralaner, and sarolaner.
The infestation was accompanied by violent pruritus, and abundant dark brown cerumen enclosing mites in all stages of development was found in the ear. Otodectes cynotis infestation jama dermatology jama. Ear mite infestation can cause secondary ear infections, but the mites and infections are both treatable with medication. This mite is within the class arachnida and subclass acari for mites and ticks. Assessment of the ear mite otodectes cynotis infestation. The life history of otodectes cynotis has been observed in vitro and all stages in the cycle described. In veterinary practice, ear mite infections in dogs and cats may present as a disease that causes.
Assessment of afoxolaner efficacy against otodectes. Heavy infestation of ear mites otodectes cynotis in a cat, taken with a storz video otoscope. Symptoms include scratching and shaking of the head. The scientific name for ear mites is otodectes cynotis. Otodectes cynotis in dogs vetlexicon canis from vetstream. Pdf the biological and environmental factors affecting survival offthehost of otodectes cynotis acari. Jan 16, 2017 the efficacy of fluralaner for the treatment of otodectes cynotis infestations in dogs and cats was evaluated after oral dogs or topical administration dogs and cats. Diagnosis is based on direct observation of mites via otoscopic examination or. Otodectes cynotis or the common ear mite is a parasite which lives in the ear canal of dogs, cats and other animals, they can migrate through the fur from ear to ear and may be found anywhere on the dogs body. Family sarcoptidae several mites among the sarcoptidae are important in domesticated animals, wild animals or people. A genus of ear mites family psoroptidae consisting of a single species, otodectes cynotis, the cause of otodectic mange in dogs, cats, and other carnivores. Pdf topical selamectin treatment of otodectes cynotis in. The most common signs of ear mites are scratching of the ears, whining, rubbing of the face, scars behind the ears from scratching, shaking of the head and dark debris in the ear. Mites on other parts of the body neck, rump, tail feed pruritic dermatitis in some animals.
Rare, selflimiting human infestations with this organism have been reported. Details are given of a survey in 1956 in which otodectes cynotis her. Filmed at lake howell animal clinic maitland, fl in 20. Ear mites are transmitted through direct contact with infested ferrets, dogs, or cats fox, 1998 g. They are usually considered to be without tracheal tubes, but in the genus otodectes fig 1, and possibly in other members of the family, these are present fig. Prevalence and clinical aspects of otodectes cynotis. Request pdf prevalence and intensity of otodectes cynotis in kittens from thessaloniki area, greece from may 2007 to may 2008 we have examined by otoscopy a total number of 214 cats, aged.
Parasitic erythematoceruminous otitis caused by otodectes spp infestation note dry, brown blackish cerumen discharge. Studies on the ear mite oiodectes cynotis, including life cycle. Ear mites feed on epidermal debris irritates ear canal cerumen, blood and mite exudate accumulates. Otodectes cynotis can cause a hypersensitivity reaction in some individuals 3,4. Pet ear mites otodectes cynotis by caitlin donsberger. Synonym iother names i otodectes cyanotis otodectes cynotis hering, 1838 cat ear mite dog ear mite. Most ear mite infections in dogs and cats are caused by a parasitic mite known as otodectes cynotis a name which originates from the greek for dog earbiter. They are mostly found on the tail and head regions as an animal will typically curl up while sleeping. Media in category otodectes cynotisthe following 8 files are in this category, out of 8 total. Otodectes cynotis infestation jama dermatology jama network.
Ear mites are contagious to other animals but not can find them by examining ear debris under a to humans. There is a single species of mite in this genus, otodectes cynotis. Otodectes spp are a common nuisance mite parasite of dogs and cats worldwide the mite normally resides in the environment, under leaf litter and moist vegetation and infests dogs during foraging activity or close contact with infected dogs or cats. How to drain surface water in your yard or property.
The measurements are given of otodectes cynotis var. In the puppy and kitten, the most common ear mite is otodectes cynotis. Otodectes cynotis hering, 1838 canestrini, 1894 figures 526 through 528 etymology. Although the mite may be found at several body sites, its preferred habitat is the external ear canal.
Ear mites are highly contagious, and animals become infested by direct contact with another infested animal. This page was last edited on 6 february 2019, at 17. Psoroptidae is an obligate parasite of the external skin surface of dogs, cats, and ferrets. Ectoparasites mites sarcoptes scabiei and otodectes. Mite infestation was studied with direct, otoscopic examination of the external ear canals and with the presence or absence of live mites in. This name is a little misleading though, as cats and other small animals can be infected with this species of mite too. The mite feeds at the external surface of the skin causing inflammation and very frequently serous to purulent exudate, depending on the nature of the secondary microbial invaders. An adult mite can live up to 2 months but can be ready to breed just three weeks after hatching. These populations are approximately 2,000 km apart. It is not important in the diagnosis and treatment of ear mites to identify the species of mite.
Otodectes cynotis definition of otodectes cynotis by. Psoroptidae ear mites were investigated under natural and laboratory conditions. The most commonly seen species in veterinary medicine is otodectes cynotis gk. Otodectes cynotis is the species name for ear mites. The mites inhabit the inner ear and feed on ear debris, they appear white in colour. Moreover, modification of environmental conditions in the external. Otodectes are external parasites ectoparasites of dogs, cats and ferrets, but can be found on many other. It is usually found in the ear canal but it can also live on the skin surface. Treatment of feline otitis externa due to otodectes. In november 1977 a young dog was referred to me because the. Otodectes cynotis are mites that commonly live in the ears of dogs and cats, but can also be found on other areas of the body.
The species of mite typically involved is called otodectes cynotis. Ear mites otodectes cynotis kerrville veterinary clinic ltd. Mites on cats symptoms, treatment and contagiousness. The biological and environmental factors affecting survival offthehost of otodectes cynotis acari. Infection is normally attributed to cats habit of lying in warm wood shavings under trees, where the mites normally live.
Suspected causes of human ear infections with otodectes cynotis otodectes cynotis subject category. The mites of this family, commonly called itch mites, are very small, whitish, and in shape oval or round. Prevalence and intensity of otodectes cynotis in kittens. The rabbit ear mite, psoroptes cuniculi, is larger than otodectes cynotis. Recent references from pubmed and vetmedresource chickering w r 1988 cytologic evaluation of otic exudates. The animal diversity web is an educational resource written largely by and for college students. Assessment of afoxolaner efficacy against otodectes cynotis. Mites from the dog, cat, fox, and ferret have been shown to be biologically and morphologically identical, and the varietal names of canis, cati, and furonis are invalidated. The efficacy of fluralaner for the treatment of otodectes cynotis infestations in dogs and cats was evaluated after oral dogs or topical administration dogs and cats twentyfour dogs and sixteen cats were experimentally infested with o. It only takes a few mites to cause an intense allergic reaction.
Jul 28, 2007 two separated field studies were carried out in hungary to assess otodectes cynotis infestation and to evaluate the efficacy of 10% imidacloprid and 1. Treatment of feline otitis externa due to otodectes cynotis. The ear mite, otodectes cynotis, which commonly infects dogs and cats, is also a common clinical problem in ferrets fox, 1998 g. Pretarsi of otodectes cynotis have short, unsegmented pedicels on the first and second pairs of legs of the female and on all legs of the male. There are several types of mites that can invade the ear canals of dogs, puppies, cats, and kittens. Ear mites are tiny parasites, barely detectable by the naked eye, that feed on the wax and oils in an animals ear canal. Otodectes cynotis is the most common mange mite of cats and dogs in the world over 50% of otitis externa cases in dogs and 85% in cats involve infestations with otodectes the mites do not burrow. Epidemiology, genetic divergence and acaricides of veterinary world. Otodectes is a genus of parasitic mite in the superfamily psoroptidae the biting cohort of the sarcoptiformes order of mites. This mite feeds on epidermal debris and tissue fluids from the superficial epidermis. All structured data from the file and property namespaces is available under the creative commons cc0 license. The ear mite otodectes cynotis is a surface mite that lives on cats, dogs, rabbits, and ferrets. Ear mites, caused by otodectes cynotis are common parasitic mites of cats, resulting in otitis externa.
Ear mites are a common parasite of the cat, responsible for causing otitis externa. Mite infestation was studied with direct, otoscopic examination of the external ear canals and with the presence or absence of live mites in samples taken with cottontipped. This species, despite its name, is also responsible for 90% of ear mite infections in cats. Otodectes cynotis ear mite accounts for 5080% of cases of otitis externa in cats. Request pdf prevalence and intensity of otodectes cynotis in kittens from thessaloniki area, greece from may 2007 to may 2008 we have examined by otoscopy a. Factors associated with the prevalence of otodectes. Efficacy of fluralaner against otodectes cynotis infestations. Otodectes cynotis american association of veterinary.
915 494 853 340 409 870 1020 1480 1418 357 1542 551 1171 1402 208 276 662 520 371 685 1472 1347 1522 820 530 6 1445 385 457 483 1470 231 98 456 1341 752 600