Difference between revisions of "Taenia hydatigena"
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|name = Taenia hydatigena | |name = Taenia hydatigena | ||
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The definitive host is then infected through ingestion of the infected intermediate host. | The definitive host is then infected through ingestion of the infected intermediate host. | ||
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| + | |flashcards = [[Cestodes_Flascards|Cestodes Flashcards]] | ||
| + | |literature search = [http://www.cabdirect.org/search.html?q=title:(%22Taenia+marginata%22)+OR+title:(%22Taenia+hydatigena%22)+OR+(%22Cysticercus+tenuicollis%22) ''Taenia hydatigena'' publications] | ||
| + | |videos = [https://wikivet.mediacore.tv/media/ovine-liver-with-hepatitis-cysticercosa-potcast Ovine liver with hepatitis cysticercosa potcast]<br>[https://wikivet.mediacore.tv/media/ovine-mesentery-with-tapeworm-cysts-potcast Ovine mesentery with tapeworm cysts] | ||
| + | }} | ||
| − | + | ==References== | |
| − | + | Taylor, M.A, Coop, R.L., Wall,R.L. (2007) '''Veterinary Parasitology''' ''Blackwell Publishing'' | |
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| − | + | {{review}} | |
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[[Category:Liver Cestodes]][[Category:Taeniidae]] | [[Category:Liver Cestodes]][[Category:Taeniidae]] | ||
| − | + | [[Category:Dog Parasites]] | |
[[Category:Expert_Review]] | [[Category:Expert_Review]] | ||
Latest revision as of 12:07, 20 August 2012
| Taenia hydatigena | |
|---|---|
| Kingdom | Animalia |
| Phylum | Platyhelminthes |
| Class | Cestoda |
| Order | Cyclophyllidea |
| Family | Taeniidae |
| Genus | Taenia |
| Species | T. hydatigena |
Also known as: Taenia marginata — Cysticercus tenuicollis
Hosts
Intermediate host: Sheep, horse, cattle, pig and deer.
Definitive host: Dog, fox, weales, polecat, and stoat.
Identification
T. marginata is a cestode, and large tapeworm around 5m in length. It has a large scolex, with two rows of hooks. The eggs are oval.
Life Cycle
The intermediate host is infected through the ingestion of tapeworm eggs. Sheep are the most frequent intermediate host, but the cysticerci can establish in other animals. The oncosphere hatches out of the egg in the small intestine of the sheep. Oncospheres travel to the hepatic portal system, where they transform to cysticerci. The grow rapidly while migrating through liver parenchyma, then to the peritoneal cavity. The cysticerci in the peritoneal cavity are approximately 8cm long; often found adhering to the omentum. Usually, liver damage heals, forming fibrotic tracts, which leads to condemnation at meat inspection. If a sheep swallows a whole proglottid, it leads to liver damage, and ultimately death (“cysticercosis hepatica”), but this is a rare event affecting a single animal in a flock.
The definitive host is then infected through ingestion of the infected intermediate host.
| Taenia hydatigena Learning Resources | |
|---|---|
 Test your knowledge using flashcard type questions |
Cestodes Flashcards |
 Selection of relevant videos |
Ovine liver with hepatitis cysticercosa potcast Ovine mesentery with tapeworm cysts |
 Search for recent publications via CAB Abstract (CABI log in required) |
Taenia hydatigena publications |
References
Taylor, M.A, Coop, R.L., Wall,R.L. (2007) Veterinary Parasitology Blackwell Publishing
 |
This article has been peer reviewed but is awaiting expert review. If you would like to help with this, please see more information about expert reviewing. |
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