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Taenia (view source)

Revision as of 12:01, 3 August 2010

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=''[[Taenia solium]]''=
 
=''[[Taenia solium]]''=
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== Taenia spp of the Dog ==
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=''[[Taenia ovis]]''=
 
{{Taxobox
 
{{Taxobox
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|name              = ''Taenia solium
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|name              = ''Taenia ovis
 
|kingdom            = Animalia
 
|kingdom            = Animalia
 
|phylum            = Platyhelminthes
 
|phylum            = Platyhelminthes
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|sub-family        =
 
|sub-family        =
 
|genus              = Taenia
 
|genus              = Taenia
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|species            = ''T. solium''
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|species            = ''T. ovis''
 
}}
 
}}
−
[[Image:Taenia solium.jpg|200px|thumb|right|''Taenia solium'' <br> Roberto J. Galindo, Wikimedia Commons]]
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{| cellpadding="10" cellspacing="0" border="1"
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| Also known as:
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| '''Cysticercus cellulosae
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<br>
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'''Human pork tapeworm
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|-
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|}
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==Hosts==
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'''Intermediate host''': Pig, and also occasionally the dog and man.
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'''Definitive host''': Man.
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==Identification==
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The adults are 3-5m in length, have a scolex, and several rows of hooks.
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==Life Cycle==
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The life-cycle is similar to that of ''T. saginata'', except now the pig is the intermediate host. Gravid segments, containing the parasite eggs are passed in faeces.  The oncospheres are then ingested by the intermediate host, in this case the pig, and pass into the blood system, infecting striated muscles.  The cysticerci may also develop in the lungs, liver, kidney and the brain.  Like ''T. saginata'', humans, which are the definitive host becomes infected via ingestion of poorly cooked meat.
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== Taenia spp of the Dog ==
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=''T. ovis''=
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{| cellpadding="10" cellspacing="0" border="1"  
 
{| cellpadding="10" cellspacing="0" border="1"  
 
| Also known as:
 
| Also known as:
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The prepatent period for ''T. ovis'' is 6-9 months.
 
The prepatent period for ''T. ovis'' is 6-9 months.
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=''T. hydatigena''=
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{| cellpadding="10" cellspacing="0" border="1"
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| Also known as:
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| '''Taenia marginata
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<br>
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'''Cysticercus tenuicollis
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|-
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|}
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==Hosts==
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==References==
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'''Definitive host''': Dog, fox, weales, polecat, and stoat.
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'''Intermediate host''':  Sheep, horse, cattle, pig and deer.
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Taylor, M.A, Coop, R.L., Wall,R.L. (2007) '''Veterinary Parasitology''' ''Blackwell Publishing''
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==Identification==
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[[Category:Taeniidae]]
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''T. marginata'' is a large tapeworm around 5m in length.  It has a large scolex, with two rows of hooks.  The eggs are oval.
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[[Category:To_Do_-_Max]]
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==Life Cycle==
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[[Category:To_Do_-_Review]]
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The intermediate host is infected through the ingestion of tapeworm eggs.
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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.
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The definitive host is then infected through ingestion of the infected intermediate host.
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=''T. pisiformis''=
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=''[[Taenia pisiformis]]''=
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{{Taxobox
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|name              = ''Taenia pisiformis
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|kingdom            = Animalia
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|phylum            = Platyhelminthes
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|class              = [[Cestodes|Cestoda]]
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|sub-class          =
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|order              = [[Cyclophyllidea]]
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|super-family      =
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|family            = [[Taeniidae]]
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|sub-family        =
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|genus              = Taenia
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|species            = ''T. pisiformis''
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}}
 
{| cellpadding="10" cellspacing="0" border="1"  
 
{| cellpadding="10" cellspacing="0" border="1"  
 
| Also known as:
 
| Also known as:
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The definitive host is infected by ingestion of the cysticercus.  The prepatent period of ''T. pisinformis'' is around 7 weeks.
 
The definitive host is infected by ingestion of the cysticercus.  The prepatent period of ''T. pisinformis'' is around 7 weeks.
 
*It is similar to T. hydatigena, except that the cysticerci are pea-sized and are found on the omentum of rabbits.
 
*It is similar to T. hydatigena, except that the cysticerci are pea-sized and are found on the omentum of rabbits.
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==References==
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Taylor, M.A, Coop, R.L., Wall,R.L. (2007) '''Veterinary Parasitology''' ''Blackwell Publishing''
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=''T. multiceps''=
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[[Category:Taeniidae]]
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[[Category:To_Do_-_Max]]
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[[Category:To_Do_-_Review]]
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=''[[Taenia multiceps]]''=
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{{Taxobox
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|name              = ''Taenia multiceps
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|kingdom            = Animalia
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|phylum            = Platyhelminthes
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|class              = [[Cestodes|Cestoda]]
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|sub-class          =
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|order              = [[Cyclophyllidea]]
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|super-family      =
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|family            = [[Taeniidae]]
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|sub-family        =
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|genus              = Taenia
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|species            = ''T. multiceps''
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}}
 
{| cellpadding="10" cellspacing="0" border="1"  
 
{| cellpadding="10" cellspacing="0" border="1"  
 
| Also known as:
 
| Also known as:
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The intermediate host is infected via ingestion of the parasite eggs.  These eggs hatch in the small intestine.  The parasite the migrates to the spinal cord and brain via the blood stream.  The definitive host becomes infected when it eats the spinal bord, or brain of the intermediate host.
 
The intermediate host is infected via ingestion of the parasite eggs.  These eggs hatch in the small intestine.  The parasite the migrates to the spinal cord and brain via the blood stream.  The definitive host becomes infected when it eats the spinal bord, or brain of the intermediate host.
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==References==
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Taylor, M.A, Coop, R.L., Wall,R.L. (2007) '''Veterinary Parasitology''' ''Blackwell Publishing''
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[[Category:Taeniidae]]
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[[Category:To_Do_-_Max]]
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=''T. serialis''=
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[[Category:To_Do_-_Review]]
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=''[[Taenia serialis]]''=
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{{Taxobox
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|name              = ''Taenia serialis
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|kingdom            = Animalia
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|phylum            = Platyhelminthes
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|class              = [[Cestodes|Cestoda]]
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|sub-class          =
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|order              = [[Cyclophyllidea]]
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|super-family      =
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|family            = [[Taeniidae]]
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|sub-family        =
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|genus              = Taenia
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|species            = ''T. serialis'
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}}
 
{| cellpadding="10" cellspacing="0" border="1"  
 
{| cellpadding="10" cellspacing="0" border="1"  
 
| Also known as:
 
| Also known as:
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==Life Cycle==
 
==Life Cycle==
 
The intermediate host is infected through ingestion of the tapeworm egg, which is shed by the dog, which acts as the definitive host.  These develop and form cysts in the intermuscular connective tissues of rabbits, often causing a soft subdermal swelling. .  The definitive host then becomes infected through ingestion of the metacestode.
 
The intermediate host is infected through ingestion of the tapeworm egg, which is shed by the dog, which acts as the definitive host.  These develop and form cysts in the intermuscular connective tissues of rabbits, often causing a soft subdermal swelling. .  The definitive host then becomes infected through ingestion of the metacestode.
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==References==
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Taylor, M.A, Coop, R.L., Wall,R.L. (2007) '''Veterinary Parasitology''' ''Blackwell Publishing''
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[[Category:Taeniidae]]
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[[Category:To_Do_-_Max]]
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[[Category:To_Do_-_Review]]
    
== Taenia spp of the Cat ==
 
== Taenia spp of the Cat ==
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=''T. taeniaeformis''=
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=''[[Taenia taeniaeformis]]''=
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{{Taxobox
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|name              = ''Taenia taeniaformis
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|kingdom            = Animalia
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|phylum            = Platyhelminthes
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|class              = [[Cestodes|Cestoda]]
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|sub-class          =  
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|order              = [[Cyclophyllidea]]
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|super-family      =
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|family            = [[Taeniidae]]
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|sub-family        =
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|genus              = Taenia
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|species            = ''T. taeniaformis
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}}
 
{| cellpadding="10" cellspacing="0" border="1"  
 
{| cellpadding="10" cellspacing="0" border="1"  
 
| Also known as:
 
| Also known as:
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