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9 Cards in this Set
- Front
- Back
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scrapie-CJD-prion-PrPc-no inflammation in brain-TSE sprongiform changes in the brain-dx postmortem-animals and humans-long 2 yr incubat
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Mad Cow Disease
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Poxviridae-Orf or Soremouth-crusty lesions on mouth ears coronary band vulva and scrotum-scab harbors bacteria-dam eats but w mastitis refuses to nurse-zoonotic-no tx just help 2ndary infections, and udder salve
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Contagious Ecythema
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Picornaviridae Apthovirus-lesions on foot and mouth-support and confine
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Foot and Mouth Disease
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Retrovirus Lentivirus-transmit blood and mosquitoes, infect kids via colostrum-neurologic clin signs w incoordination, paralysis, mild pneumonia joint problems and wt loss-no tx just support and hoof trimming w antiinflammatories-control via heating the milk or giving goat milk and cull infected
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Caprine Arthritis Encephalitis
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Bunyaviridae Nairovirus-trans by Brown tick (Ricecephalus)-Pathogenesis from blood to intestinal epithelium to hemorrhagic enteritis (main sign)-diarrhea, enteritis and abortions-prev by controlling ticks, no tx
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Nairobi Sheep Disease
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Bunyaviridae Phlebovirus-Reportable and Zoonotic-Bioterrorism attacks-mosquitoes-ruminants and humans are amplifying hosts-sheep and goats are asymptomatic carriers or have abortions, foul diarrhea, mucopurulent discharge-horses and pigs resist-birds refractory-control arthropods-flu like symptoms headache vomit fever myalgia retinopathy conjunctivitis photophobia but death uncommon encephalitis is on first time exposure
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Rift Valley Fever
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Paramyxoviridae Morbillivirus enveloped-like RPV-Reportable-economically limits trade, loss for human consumption and development of intensive livestock-sheep and goats get and experimentally WTD, cows and pigs are seroconverts but do not transmit-goats more susceptible than sheep-upper resp progressive exudate conjunctivitis, crusty mouth lesions produce dirarrhea dyspnea and abortions-postmortem zebra stripes- prognosis correlates w the extent of mouth lesions-consider any acute febrile highly contagious disease with oral lesions and GI signs- supportive control w strict sanitation and quarantine, may disinfect w 2% NaOH
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Pestis de Petit
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Poxviridae Capripox-env-Reportable-low milk production and abortion-Transmitted by mosquitoes and flies-can survive in dried lesions 35 days-no carrier state transmitted by mvmt of cattle-not to humans-circ firm nodules "sitfast" swollen udder and testicles and abortions, intracyto incl bodies (Bollinger)-recover w good care and NaOH disinfectant
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Lumpy Skin Disease
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spread by contact w skin lesions and scabs exudates milk and inhaled dec market value rhinitis conjunctivitis fever dec appetite contagious ecythema-can die from lung lesions- no tx just vax and injec and topicals for 2ndary infec
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Goat/Sheep Pox
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