Difference between revisions of "Dipylidium caninum"

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{{Taxobox
|backcolour =
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|name              =''Dipylidium caninum
|linkpage =Parasites
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|kingdom            =Animalia
|linktext =PARASITES
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|phylum            =Platyhelminthes
|pagetype=Bugs
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|class              =[[Cestodes|Cestoda]]
|sublink1=Cestodes
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|sub-class          =[[Cyclophyllidea]]
|subtext1=CESTODES
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|order              =
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|super-family      =
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|family            =Dipylidiidae
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|sub-family        =
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|genus              =Dipylidium
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|species            ='''''D. caninum'''''
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}}
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[[Image:Dipylidium caninum.jpg|thumb|right|150px|''Dipylidium caninum'' - Taenia of Dogs and Cats Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
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Also known as: '''''Double-pored tapeworm — Cucumber seed tapeworm
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==Introduction==
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''D. caninum'' is a very commonly seen parasite of dogs and cats, and of the class [[Cestodes|Cestoda]].  They are capable of growing up to 50cm in length in the small intestine. It is of minor clinical significance, causing no more than occasional anal irritation. Diarrhoea may result if the tapeworms are present in large numbers. The proglottids are motile and can upset owners when they drop onto the furniture or floor.
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==Identification==
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''D. caninum'' resemble ''Taenia spp'', but are considerably shorter than ''Taenia''.  ''D. caninum'' have a scolex and a proglottid, which are easily recognized in this species.  This parasite also has two sets of genital organs.
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The eggs are 25-50μm in length.
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==Life-Cycle==
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The '''oncospheres''' are within the egg packets.  These are ingested by the intermediate host.  They develop into '''cysticercoids''', which is infective by the time that metamorphosis is complete.
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Complete development in the intermediate hosts lasts around 1 month.  The final host is infected via ingestion of the [[Fleas|flea]] or [[Lice|louse]], containing the cysticercoid.
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{{Learning
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|literature search = [http://www.cabdirect.org/search.html?q=title%3A%28%22Dipylidium+caninum%22%29 ''Dipylidium caninum'' publications]
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|Vetstream = [https://www.vetstream.com/canis/search?s=tapeworm Cestoda]
 
}}
 
}}
<br>
 
  
== ''Dipylidium caninum'' ==
 
[[Image:Dipylidium caninum.jpg|thumb|right|150px|''Dipylidium caninum'' - Taenia of Dogs and Cats Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
[[Image:Dipylidium caninum proglottid.jpg|thumb|right|150px|''Dipylidium caninum'' proglottid - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine]]
 
=== Significance ===
 
''D. caninum'' is a very common parasite of dogs and cats, growing to 50cm long in the small intestine. It is of minor clinical significance causing no more than occasional anal irritation. Diarrhoea may result if the tapeworms are present in large numbers. The proglottids are motile and can upset owners when they drop onto the furniture or floor.
 
  
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{{review}}
  
=== Recognition ===
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{{OpenPages}}
The gravid segments can be differentiated from those of Taenia spp as they are:
 
*oval in shape
 
*have two lateral genital pores.
 
  
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[[Category:Cyclophyllidea]]
  
=== Life-Cycle ===
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[[Category:Expert_Review]]
The egg packets are likely to be dropped in the same places as the eggs of the intermediate host, the flea. When ingested by the flea larvae, the oncosphere transforms to a cysticercoid which is infective by the time that metamorphosis is complete. Flea infestation provokes exaggerated grooming behaviour and the cat or dog becomes infected with Dipylidium, when it swallows an infected [[flea]]. Prevention of re-infection therefore requires advice on flea control.
 

Latest revision as of 17:39, 4 June 2016


Dipylidium caninum
Kingdom Animalia
Phylum Platyhelminthes
Class Cestoda
Sub-class Cyclophyllidea
Family Dipylidiidae
Genus Dipylidium
Species D. caninum
Dipylidium caninum - Taenia of Dogs and Cats Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona

Also known as: Double-pored tapeworm — Cucumber seed tapeworm

Introduction

D. caninum is a very commonly seen parasite of dogs and cats, and of the class Cestoda. They are capable of growing up to 50cm in length in the small intestine. It is of minor clinical significance, causing no more than occasional anal irritation. Diarrhoea may result if the tapeworms are present in large numbers. The proglottids are motile and can upset owners when they drop onto the furniture or floor.

Identification

D. caninum resemble Taenia spp, but are considerably shorter than Taenia. D. caninum have a scolex and a proglottid, which are easily recognized in this species. This parasite also has two sets of genital organs.

The eggs are 25-50μm in length.

Life-Cycle

The oncospheres are within the egg packets. These are ingested by the intermediate host. They develop into cysticercoids, which is infective by the time that metamorphosis is complete.

Complete development in the intermediate hosts lasts around 1 month. The final host is infected via ingestion of the flea or louse, containing the cysticercoid.


Dipylidium caninum Learning Resources
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Dipylidium caninum publications





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