Difference between revisions of "Paramphistomum"

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{{OpenPagesTop}}
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{{toplink
{{Taxobox
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|backcolour =
|name              = Paramphistomum
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|linkpage =Parasites
|kingdom            = Animalia
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|linktext =PARASITES
|phylum            = Platyhelminthes
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|pagetype=Bugs
|class              = [[:Category:Trematodes|Trematoda]]
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|sublink1=Trematodes
|sub-class          = Digenea
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|subtext1=TREMATODES
|order =Echinostomida|sub-order          =
 
|super-family      =
 
|family = Paramphistomatidae
 
|sub-family        =
 
|genus              = Paramphistomum
 
|species            =
 
 
}}
 
}}
==Introduction==
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<br>
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== ''Paramphistomum'' Species ==
 
[[Image:Paramphistomum cervi.jpg|right|150px|thumb|''Paramphistomum cervi'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
[[Image:Paramphistomum cervi.jpg|right|150px|thumb|''Paramphistomum cervi'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
''Paramphistomum spp'' are of the family ''Paramphistomatidae''.  ''Paramphistomomes'' are rare in the UK, but can cause severe losses in ruminants in the wet tropics  
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*Paramphistomomes are rare in the UK, but can cause severe losses in ruminants in the wet tropics  
 
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*The adult fluke is plump and cylindrical (unusual for a trematode)  
The adult fluke is plump and cylindrical (unusual for a [[Trematodes|trematode]])It attaches to the wall of the rumen without causing serious damageThe eggs are like those of [[Fasciola hepatica|''Fasciola'']], but are colourless, and have long filaments present at the poles.
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*It attaches to the wall of the rumen without causing serious damage  
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*The eggs are like those of ''Fasciola'', but are colourless  
The intermediate hosts are water snails, and these shed '''cercariae''' which later form '''metacercariae''' on vegetation.
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*The intermediate hosts are water snails  
 
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**These shed cercariae that form metacercariae on vegetation  
Disease occurs if metacercariae are eaten in large numbers.  [[Enteritis]] and [[diarrhoea]] result when immature flukes migrate along the small intestine, (where the metacercariae excyst) towards the rumen.
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*Disease occurs if metacercariae are eaten in large numbers
 
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*Enteritis and diarrhoea result when immature flukes migrate along the small intestine (where the metacercariae excyst) towards the rumen
Also see [[Trematodes - Overview]].
 
 
 
{{Learning
 
|flashcards = [[Trematodes_Flashcards|Trematodes Flashcards]]
 
|literature search = [http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=Paramphistomum&occuring1=title&rowId=2&options2=AND&q2=&occuring2=freetext&rowId=3&options3=AND&q3=&occuring3=freetext&x=39&y=8&publishedstart=yyyy&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all ''Paramphistomum'' publication]
 
}}
 
 
 
 
 
{{review}}
 
 
 
{{OpenPages}}
 
 
 
 
[[Category:Trematodes]]
 
[[Category:Trematodes]]
[[Category:Expert_Review - Parasites]][[Category:Cattle Parasites]][[Category:Sheep Parasites]]
 

Revision as of 17:47, 25 February 2010

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PARASITES
TREMATODES



Paramphistomum Species

Paramphistomum cervi - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona
  • Paramphistomomes are rare in the UK, but can cause severe losses in ruminants in the wet tropics
  • The adult fluke is plump and cylindrical (unusual for a trematode)
  • It attaches to the wall of the rumen without causing serious damage
  • The eggs are like those of Fasciola, but are colourless
  • The intermediate hosts are water snails
    • These shed cercariae that form metacercariae on vegetation
  • Disease occurs if metacercariae are eaten in large numbers
  • Enteritis and diarrhoea result when immature flukes migrate along the small intestine (where the metacercariae excyst) towards the rumen