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Stable Fly
Stomoxys calcitrans
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what diseases can the stable fly carry
- Bovine anaplasmosis( infectious dz, anemia)
- Equine infectious anemia(severe viral brain dz)
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stable fly characteristics
- about the size of a common house fly
- has a spear-like nose that projects forward from the head
- bliid-feeders
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stable fly habitat
- legs and ventral abdomen
- ears (espescially pointed ears)
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stable fly hosts
domestic animals
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what is fly strike
the infestatin of organs or tissues of host animals
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what is fly strike attracted to
moist wounds, skin lesions, soiled hair coats, dead animal tissue and feces
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another name for fly strike
facultative myiasis
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with fly strike, animals may die of....
shock, intoxication, histolysis, or infection if the infestation is not stopped
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Horn fly
Haematobia irritans
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Horn fly host
pastured cattle
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horn fly habitat
- feed on the backs and sides of cattle
- spend entire life on or near cattle
- larva grow in manure
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symptoms of horn flies and treatment
fly worry (cows spend most time shooting off flies than eating)
insecticide applied on cow skin and insecticide given orally
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Face fly
Musca autumnalis
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face fly host and habitat
mainly cattle, also horses
does not bite, laps up fluids around the eyes, nose, and mouth
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symptoms and treatment of face flies
cow will not eat if too many flies around face
oral insecticides
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Screwworm fly
Cochliomyia hominivorax
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screwworm fly host
cattle, pigs, sheep, and goats
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screwworm fly habitat
female lays eggs on edge of wound of warm blooed animals, when larva hatch they eat the tissue of the wound
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screwworm distribution
central and south america (occasionally travel to north amaerica)
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symptoms and treatment of screwworm fly
wound size increases, animal can loose tail, hooves, or ears
Brand, dehorn, and castrate during winter months
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botflies
- Hypoderma lineatum - larva in wall of cows esopagus
- Hyposerma bovi - larva in fat around the spinal cord
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botflies host and habitat
cattle, can be any species
legs of cattle, preferable young cattle
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symptoms of botflies
gadding (cattle run away from this fly)
tissue damage, meat damage, hide damage
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death of hypoerma lineatum
inflammation of esophagus making it difficult to eat
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death of hypoderma bovis
inflammation around the spinal cord could cause paralysis
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treatment of botflies
insecticides are questionable (may kill larva)
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infestation with ticks or mites
acariasis
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larvae ticks have how many legs:
Nymph ticks have how many legs:
Adult ticks have how many legs:
6 legs
6 legs
8 legs
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treatment for ticks
repellents: Frontline, Advantix, Revolution
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4 pronlems ticks can produce
- 1. blood suckers feed on up to 2 mLs
- 2. transfer blood born diseases
- 3. cause tick worry
- 4. Tick paralysis
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blood born disease transfered by ticks
- Bacteria (Lyme disease)
- viruses
- parasitic
- ricketsial
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lyme disease in dogs was first reported in.......
1984
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clinical signs of lyme disease
stiffness/pain in legs, possible fever, intermittent lameness, ill signs to no signs
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diagnosis and treatment of lyme disease
clinical signs and positive antibody titer
tetracycline, ampicillin
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other diseases caused by ticks
- Babesia canis (Rhipicephalus sanguineus)
- Rocky Mountain Spotted fever (Dermacentor variabilis)
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Hard ticks
hard body, have scutum
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Soft ticks
no scutum, more lesthery
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Spinose ear tick
otobius megnini
Atypical Argasid
Larva and nymphs are parasitic
Nypmhs may attach for 120 days
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fowl tick
argas pericus
soft tick
vector of avian Borrelia anserina
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host and habitat of spinose ear tick
cattle
ear
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stmptoms of spinose ear tick
anemia, inflammation of the ear, damage to the eardrum, possible deafness
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Brown dog tick
Rhipicephalus sanguineus
Ixodidae
3 hosts - all canids
Vector of E. canis, and Babesia canis
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American dog tick
Dermacentor variabilis
hard tick
transmits RMSF
hangs out at margins of pathways or roads
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Lone star tick
Amblyomma americanum
3 host tick
vector of Borrelia lonestari
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Black legged or deer tick
Ixodes spp.
hard tick
transmits Borrelia burgdorferi that causes lyme disease
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Cattle tick
Boophilus annulatus
one host tick
vector of Babesia bovis- Texas Cattle Fever
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diseases from cattle tick
Babessiosis also called "Tick Fever" or "Texas cattle fever"
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treatment of cattle tick
single application of vet approved pesticide
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lone star tick host and habitat
prefers cattle and horses
neck and the area where the legs meet its body
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symptoms of lone star tick
deep irritating wounds and anemia
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Rocky Mountain Wood Tick
Dermacenter andersoni
3 host
hangs out in brush or scrub vegetation in Western US
- Vector of Colorado Tick Fever
- Most common agent of Tick Paralysis
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Ixodes scapularis
Deer Tick
3 host tick
Vector of Borrelia burgdorferi, Babesia microti, and HGE
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