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25 Cards in this Set
- Front
- Back
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characteristics |
all have one or more flagella repro with LBF produce cysts Zooflagllates- live in host |
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trichomonads phylum |
Sarcomastigophora |
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structure of tricho |
piriform with rounded anterior and pointed posterior single nucleus 3-5 anterior flagella 1 posterior flagella undulating membrane LBF no cysts axostyle costa |
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tritrichomonas foetus |
venerial disease in cattle causes abortions asymptomatic in bull 3 anterior flagella psuedocysts insidious disease no treatment |
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how to control tritrich |
replace old bulls test new bulls, dont borrow or lease bulls use AI cull open cows limit breeding season avoid grazing in common lands |
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Feline trichomoniasis |
T. Blagburni large-bowel disease- diarrhea, incotinence transmission unknown similar morph to tritrich chronic diarrhea, 9 month old onset spontaneous resolution |
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diagnosis of feline trich |
direct fecal culture and PCR colonic biopsy herky, jerky motion |
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treatment and control of trich |
no approved treatment combo of drugs, ronidazole no litter box sharing |
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Avian trich |
T. gallinae upper digestive tract transmission with anything 4 anterior flagella LBF granules along axostyle |
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Avian trich clinical |
young birds mild or rapidly fatal weight loss, ruffled feathers caseous nodules |
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Avian trich diagnosis and treatment |
recovery of organisms lesions no drugs approved |
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Histomoniasis |
Histomonas meleagrindis blackhead or infectious enterohepatitis turkeys, chickens |
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Transmission of histo |
via eggs of Heterakis gallinarum go to cecum and liver of def host |
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pleomorphic forms of histo |
luminal- flagellated, invades transitional/amoeboid- nonflag tissue- non-flag |
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Life cycle of histo |
Hete egg with larvae of histo turkey ingests- bloodstream to liver- without egg egg of hete travels to cecum- histo leaves worm and parasitizes now repara hete eggs to pass in feces |
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clinical histo |
lesions in cecum lesions in liver yellow droppings sick looking bird |
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histo treatment and control |
test turkeys during early growth freq deworming of flocks rear young above ground seperate chickens and turkeys no treatment in US |
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american trypanosomiasis |
dogs, humans and others T. cruzi hemotissue flagallete transmitted with kissing bug natural host- opossums and raccoons clincial disease is uncommon but severe |
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Stages in trypan life cycle |
in bug- repro, trypomastigote in dogs, humans- trypomastigote and amastigote |
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Target organ of T. cruzi |
heart |
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Methods of transmission of T. cruzi |
feces of infected bugs ingestion of bugs blood transfusion transplacental/transmamm predation milk from lactating animals |
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disease of Trypo |
3 phases acute latent phase chronic |
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diagnosis of trypo |
history clinical blood smears/histopath detection of serum antibodies imaging conduction procedures |
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Treatment/prevention of trypo |
no drug approved somatic therapy limit exposure to IH |
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