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anatomy of a fluke
unsegmented flatworms, hermaphroidets
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where are trematodes found?
near water
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trematodes examples
flukes
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do flukes have intermed hostts?
yes
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best way to dx flukes?
centrifugal sedimentation
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common ex of trematodes
- fasciola hepatica
- paragonimus kellicotti
- alaria
- nanophyetsu salmincola
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types of LA flukes?
- fasciola hepitaca - liver fluke
- fascioloides magna - deer liver fluke effects cows
IH hosts snails
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what does fasciola hepatic effect?
cattle, sheep, humans
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where is fasciola hepatica found?
north east, texas, lousiniana, florida,
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intermed host of fascolia hepatica
snails
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life cycle of fascolia hepatica
snail - immature form leaves and encysts on water plants - ingested by DH - excyst - migrate thru intest wall - liver - bile duct
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pathology of fascolia hepatica
migrate in liver for 6 to 8 weeks before maturing in bile duct. dmgs liver.
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CS of fiscolia hepatica
weak, anemic, thin, bottle jaw
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what is bottle jaw and when is it seen?
fascolia hepatica - edema in lower jaw dt hypoprotienemia
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what is hypoprotienanemia
albumin is main protien in plasma. lack of it allows water to leave vasculature and ever intersistal space. = edema
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size of fascolia hepatica?
- adult - 30x12mm
- egg- huge (micron size)
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tx of fiscolia hepatica
albendazole, clorsulon, ivemectin plus
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how to control fascolia hepatica?
keep of marshy lands, mollusicides - kills snails
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what is paragonimus kellicotti?
lung fluke
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what disease does paragonimus kellicotti cause?
chronic lung disease
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what is paragonimus kellicotti DH
wild animals, d and c too
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how man IH hosts does paragonimus kellicotti have?
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whats the prepatient period of paragonimus kellicotti
5-6 weeks.
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diagnosis of paragonimus kellicotti
centrifugal sedimentation
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tx of paragonimus kellicotti
panacur, droncit
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what does paragonimus kellicotti look like?
gold egg. 90x50icrons
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Alaria is a typ eof?
intest fluke
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who does alaria infect?
dogs and cats
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how pathogenic is alaria?
not very unless in large numbers
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life cycle of alaria?
- IH-snail
- IH2-tadpoles
- -xport rats,snakes,birds
- adults in dh- small intest
- immature flukes - lungs
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dx of alaria
fecal sedimentation
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nanophyetus salmincola is a type of
fluke
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how do you get nanophyetus salmincola
eating salmon
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where do yo ufind nanophyetus salmincola
north west us, canada, siberia
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nanophyetus salmincola can cause?
gastro enterisit and death
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what CS does nanophyetus salmincola mimic?
parvo
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life cycle of nanophyetus salmincola?
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how does dog get nanophyetus salmincola
eating raw trout of salmon
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dx of nanophyetus salmincola
sedi fecal
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What is another word for an unsegmented flatworm?
trematodes
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