Difference between revisions of "Trichostrongylus axei"

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=== ''TRICHOSTRONGYLUS AXEI'' ===
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{{Taxobox
==== General ====
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|name              = Trichostrongylus axei
*Small trichostrongyle, <5mm long; stomach.
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|kingdom            =  
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|phylum            =  
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|class              = [[Nematodes|Nematoda]]
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|sub-class          =  
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|order              =  
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|super-family      = [[Trichostrongyloidea]]
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|family            =  
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|sub-family        =
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|genus              =  
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|species            =  
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}}
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Also known as: '''''Trichostrongylus extenuatus
  
==== Life-Cycle ====
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==Hosts==
*Typical non-migratory LC confined to stomach wall.
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Cattle, sheep, deer, horse, goat, donkey, pig and occasionally man.
*Prepatent period = 3 1/2 weeks.
 
  
==== Pathogenicity ====
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==Identification==
*Similar to ''Ostertagia'', except L3 penetrate mucosa between gastric glands. Leads to hyperplastic nodular lesions (several cms diameter) and erosions where epithelium is lost. Not usually a primary pathogen in horses.
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''T. axei'' is a small Trichostrongyle, typically around 5mm. They are grey when young, but become reddish brown when they mature.  The spiculus are dissimilar and are not all of the same length.
[[Category:Trichostrongyloidea]][[Category:Horse_Nematodes]]
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[[Category:To_Do_-_Parasites]]
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==Life Cycle==
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The life cycle of ''T. axei'' is typical of the superfamily [[Trichostrongyloidea]], and is direct (see [[Trichostrongyloidea - Overview|Trichostrongyloidea life cycle]]. The eggs develop into infective L3 in around one week. The larvae are then ingested by the host, and the larvae become unsheathed.  They penetrate the mucosa of the small intestine. There are two further moults, and then the larvae become adults.  
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{{Learning
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|literature search = [http://www.cabdirect.org/search.html?q=title:(%22Trichostrongylus+axei%22)+OR+title:(%22Trichostrongylus+extenuatus%22) ''Trichostrongylus axei'' publications]
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|Vetstream = [https://www.vetstream.com/canis/search?s=nematode Nematodes]
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}}
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[[Category:Trichostrongyloidea]][[Category:Horse_Nematodes]][[Category:Cattle_Nematodes]]
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[[Category:Sheep_Nematodes]]
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[[Category:Deer_Nematodes]]
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[[Category:Goat_Nematodes]]
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[[Category:Pig_Nematodes]]

Latest revision as of 17:51, 4 June 2016

Trichostrongylus axei
Class Nematoda
Super-family Trichostrongyloidea

Also known as: Trichostrongylus extenuatus

Hosts

Cattle, sheep, deer, horse, goat, donkey, pig and occasionally man.

Identification

T. axei is a small Trichostrongyle, typically around 5mm. They are grey when young, but become reddish brown when they mature. The spiculus are dissimilar and are not all of the same length.

Life Cycle

The life cycle of T. axei is typical of the superfamily Trichostrongyloidea, and is direct (see Trichostrongyloidea life cycle. The eggs develop into infective L3 in around one week. The larvae are then ingested by the host, and the larvae become unsheathed. They penetrate the mucosa of the small intestine. There are two further moults, and then the larvae become adults.


Trichostrongylus axei Learning Resources
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