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− | *Filarial nematode (white thread-like, <6cm long)
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− | *Found in ligamentum nuchae and gastrosplenic ligament (UK), skin and muscle (overseas)
| + | {{Taxobox |
− | *Indirect life cycle (intermediate hosts: black fly, ‘’Simulium’’ species and biting midge, ‘’Culicoides’’ species)
| + | |name =''Oncocerca spp. |
− | *Little or no significance (UK); subcutaneous and intramuscular nodules may cause economic loss due to carcass trimming (overseas).[[Category:Filarioidea]]
| + | |kingdom = |
| + | |phylum = |
| + | |class = [[Nematodes|Nematoda]] |
| + | |sub-class = |
| + | |order = |
| + | |super-family = [[Filarioidea]] |
| + | |family = |
| + | |sub-family = |
| + | |genus = |
| + | |species = |
| + | }} |
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| + | ==''Onchocerca gutturosa''== |
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| + | Also known as: '''''Onchocera lienalis — Ligamentary onchocercosis |
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| + | ===Hosts=== |
| + | '''Intermediate hosts''': Blackflies |
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| + | '''Definitive hosts''': Cattle |
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| + | ===Identification=== |
| + | ''O. gutturosa'' are thin, white worms. The females are capable of growing up to 60cm in length. The males are considerably smaller at around 4cm in length. |
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| + | ===Life Cycle=== |
| + | Microfilariae are found on the surface of the host. [[Simuliidae|Blackflies]] feed and ingest the microfilariae. These develop and mature into L3 larvae. The blackflies then feed on another host, which becomes infected. |
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| + | ==Onchocerca gibsoni== |
| + | ===Hosts=== |
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| + | '''Intermediate hosts''': Midges ([[Ceratopogonidae|''Culocoides'']]) |
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| + | '''Definitive hosts''': Cattle |
| + | |
| + | ===Identification=== |
| + | ''O. gutturosa'' are thin, white worms ranging from 2-20cm in length. The microfilariae are around 260μm in length. |
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| + | ===Life Cycle=== |
| + | As for ''Onchocera gutturosa''. |
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| + | {{Learning |
| + | |flashcards = [[Cattle_Nematode_Flashcards|Cattle Nematode Flashcards]] |
| + | |literature search =[http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=Onchocerca&occuring1=title&rowId=2&options2=AND&q2=cattle&occuring2=od&rowId=3&options3=AND&q3=&occuring3=freetext&x=46&y=9&publishedstart=yyyy&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all ''Onchocerca'' spp. in cattle publications] |
| + | }} |
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| + | {{OpenPages}} |
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| + | [[Category:Filarioidea]] |