Difference between revisions of "Onchocerca - Cattle"

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==Test yourself with the Cattle Nematode Flashcards==
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==Literature Search==
 
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Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
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[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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Latest revision as of 16:18, 18 July 2012


Oncocerca spp.
Class Nematoda
Super-family Filarioidea

Onchocerca gutturosa

Also known as: Onchocera lienalis — Ligamentary onchocercosis

Hosts

Intermediate hosts: Blackflies

Definitive hosts: Cattle

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.

Life Cycle

Microfilariae are found on the surface of the host. Blackflies feed and ingest the microfilariae. These develop and mature into L3 larvae. The blackflies then feed on another host, which becomes infected.

Onchocerca gibsoni

Hosts

Intermediate hosts: Midges (Culocoides)

Definitive hosts: Cattle

Identification

O. gutturosa are thin, white worms ranging from 2-20cm in length. The microfilariae are around 260μm in length.

Life Cycle

As for Onchocera gutturosa.


Onchocerca - Cattle Learning Resources
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Flashcards
Test your knowledge using flashcard type questions
Cattle Nematode Flashcards
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Literature Search
Search for recent publications via CAB Abstract
(CABI log in required)
Onchocerca spp. in cattle publications




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