Term
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Definition
Trichostrongyles
Nematodes
small: all have similar ova, reported as "strongyle type egg" on fecal, similar to hookworm ova
Large: Nematodirus and Marshallagia, similar ova, huge
Adults live in: abomasum, small and large intestines
morula 4+ cells oval thin shell
small:70um-120um
large:150um-230um larger cells in morula |
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Term
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Definition
Strongyloides papillosus "threadworms"
Nematode
only females parasitic (like in SA)
oval looks like larvae coiled inside |
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Term
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Definition
Trichuris ovis "whipworm"
Nematode
Adults live in: cecum and colon
football shape symmetrical polar plugs brown/gold |
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Term
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Definition
Moniezia "tapeworm"
Cestodes
Adults large 6m long-1.6cm wide
Intermediate host: orbatid (grain) mite
Adults live in: Small intestine
angular ova 55-75um
piriform (pear shape) apparatus inside |
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Term
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Definition
Thysanosoma actinioides "fringed tapeworm"
Cestode
Adults live in: bile ducts, pancreatic ducts, and small intestine
adults smaller than Moniezia 8um X 15-30um
Intermediate host: psocid (primitive insect)
eggs hard to find on fecal like Dipylidium caninum
egg packets
eggs hard to see in fecal |
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Term
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Definition
Taenia saginata "human tapeworm"
Intermediate host: ruminants
Infective cysticercus in beef muscles (measley beef)
From undercooked meat cysticercus in beef muscle |
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Term
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Definition
Fasciola hepatica "liver fluke"
Trematode
There are also rumen flukes
Heavy eggs need to do fecal sedimentation
oval operculum at one end |
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Term
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Definition
Eimeria "coccidia"
A protozoan coccidian
No intermediate host
similar to other species
typical coccidia oocyst
typical coccidia oocyst |
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Term
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Definition
Cryptosporidium
important in calves
difficult to see on fecal use fusion stain
ZOONOTIC
difficult to see need fusion stain |
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