Difference between revisions of "Swine Vesicular Disease"

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Aslo know as: '''''SVD'''
 
  
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== Introduction  ==
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====Pathogenesis====
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*Transient [[Cavity & Gingiva - Pathology#Swine Vesicular Disease|vesicular lesions]] occurring 2 days to 2 weeks post-infection
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*Easily confused with [[Foot and Mouth Disease (FMDV)]]
  
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This disease is caused by a [[:Category:Picornaviridae|Picornavirus]], similar to that causing [[Foot and Mouth Disease]]. The virus only affects pigs and can cause large, sporadic outbreaks. Transient vesicular lesions occurring 2 days to 2 weeks post-infection can be easily confused with Foot and Mouth Disease. The virus was not known prior to 1966 when it appeared in Italy, (where it is still present in the South along with [[Bluetongue]] and [[ASFV]]). It spreads via ingestion of unboiled swill. The virus is now absent from UK since 1981 after a massive MAFF campaign in which many temporary DVO's with thermometers checked swill tanks.
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====Epidemiology====
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*Transfer via ingestion of '''unboiled swill'''
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*Eradicated from the UK in 1981
  
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== Clinical Signs  ==
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====Diagnosis====
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*'''ELISA''' for virus '''antigen''' on vesicle fluid
  
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Vesicles appear on the mouth area (5% of cases) and feet (most common site). The animal may appear generally off colour and separate away from the group. Appetite may be decreased and there will be a transient pyrexia.
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====Control====
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*'''NOTIFIABLE''' disease
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== Diagnosis  ==
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*Restriction of movement
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*Slaughter with compensation
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Diagnosis is by the confirmation of SVD antigen by [[ELISA testing|ELISA]] on vesicle fluid using same ELISA as FMDV .
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*Carcasses buried in lime or incinerated
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[[Category:Pig]]
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== Control  ==
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[[Category:Enteroviruses]]
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This is a'''NOTIFIABLE''' disease, therefore control measures are humane destruction with compensation for the farmer. There will be a restriction of all movements on or off the farm and farms within a certain radius of the outbreak must be investigated. All history must be examined in order to determine where the outbreak has originated. Carcasses must be buried in lime or incinerated .
 
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== References  ==
 
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Bridger, J (2007), '''Virology study book''', ''Royal Veterinary College''
 
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Straw, B.E. and Taylor, D.J. (2006) '''Disease of Swine''''' Wiley-Blackwell''
 
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Taylor, D.J. (2006) '''Pig Diseases''' (Eighth edition) ''St Edmunsdbury Press ltd''
 
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{{review}}
 
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[[Category:Pig_Viruses]] [[Category:Oral_Diseases_-_Pig]] [[Category:Enteroviruses]] [[Category:Oral_Cavity_-_Vesicular_Pathology]] [[Category:Expert_Review - Farm Animal]] [[Category:Integumentary_System_-_Viral_Infections]]
 

Revision as of 11:26, 23 May 2010


 This article is still under construction.


Pathogenesis

Epidemiology

  • Transfer via ingestion of unboiled swill
  • Eradicated from the UK in 1981

Diagnosis

  • ELISA for virus antigen on vesicle fluid

Control

  • NOTIFIABLE disease
  • Restriction of movement
  • Slaughter with compensation
  • Carcasses buried in lime or incinerated
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