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ectos mites vet

test 3 diagnostics - mites

QuestionAnswer
mite larvae legs 6
mite nymph legs 8
mite life cycle egg, larvae, nymph, adult
mites identified by specific morphologic structures associated with the end of their legs, shape, or host range
end of mite legs pretarsi
pretarsi contains stalk and terminal sucker
stalk pedicle
terminal sucker caruncle
pedicles may be long or short
long pedicles may be straight or jointed
two families of sarcoptiform mites sarcoptidae, psoroptidae
sarcoptidae burrow or tunnel within epidermis
psoroptidae reside on surface of skin or within external ear canal
sarcoptidae species sarcoptes, notoedres, cnemidocoptes
psoroptes species chorioptes, psoroptes, otodectes
miscellaneous mites demodex, cheyletiella
scabies mite sarcoptes scabiei
sarcoptes scabiei mites found ears, hock, lateral elbow, muzzle, ventral abdomen
new generation of sarcoptes scabiei 3 weeks
sarcoptes scabiei signs pruritus, alopecia, thickening of skin and crust formation
sarcoptes scabiei most commonly affects dogs and pigs
face mange notoedres cati
notoedres cati known as face mange, feline mange mite, notoedric mange
notoedres cati infests ears, progresses over head, then body
notoedres cati found on kittens, cats, rabbits
scaly leg mite cnemidocoptes
cnemidocoptes causes skin scales in birds
cnemidocoptes seen using hand held lends on underside of scale
foot and tail mange mites of ruminants and horses chorioptes
species of chorioptes c. equi, c. bovis, c. caprae, c.ovis
chorioptes can be transmitted by fomites
scab mites of large animals (sheep, cattle, goats) psoroptes
psoroptes feed on lymphatic fluid
psoroptes mites usually found on dry, crusty regions or under scab
scab mite of sheep psoroptes ovis
psoroptes ovis affects all parts of body covered by wool or hair
psoroptes ovis irritation leads to progressive emaciation and death
ear canker mite of rabbits psoroptes caniculi
psoroptes caniculi found in external ear canal of rabbits
rabbits with psoroptes caniculi have ear packed with 'dried cornflakes'
ear mite of dogs, cats, ferrets otodectes cynotis
OTC products need to be used for 21 days, can cause toxic reactions
treatment with product like Tresaderm 10-14 days, kills developing mite eggs, and adults
one step ear mite treatment acarexx
demodex resides in hair follicles and sebaceous glands of people and most animals
demodex is host specific
increased number of demodex mites demodicosis
topical demodex lotion goodwinol ointment
walking dandruff cheyletiella
cheyletiella inhabits dog, cat, rabbit, wildlife, man
cheyletiella primarily dorsal manifested by dry or greasy scales, lesions over rump and shoulder
find mites by clear cellophane tape, then view with scope
Created by: 100001138290633