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==Description==
 
==Description==
Glassers disease is caused by the bacteria ''[[Haemophilus parasuis]]''  
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'''Glasser's disease''' is caused by the bacteria ''[[Haemophilus parasuis.]]''  
 
It is a systemic condition affecting pigs characterised by polyserositis, arthritis and meningitis. It is rapidly fatal in the acute form, in some cases animals die before the development of lesions.
 
It is a systemic condition affecting pigs characterised by polyserositis, arthritis and meningitis. It is rapidly fatal in the acute form, in some cases animals die before the development of lesions.
    
==Signalment==
 
==Signalment==
The disease usually affects weanlings 6-10 weeks old when maternal antibodies wane but it can affect pigs of any age, particularly naive pigs introduced into a herd or through exposure to a strain to which there is little immunity.
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The disease usually affects weanlings '''6-10 weeks old''' when maternal antibodies wane but it can affect pigs of any age, particularly naive pigs introduced into a herd or through exposure to a strain to which there is little immunity.
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The disease is endemic in most herds and has been associated with PRRS, Circovirus and Swine Influenza.  
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The disease occurs '''worldwide''', it is endemic in most herds but incidence of clinical disease in the UK is sporadic.Increased prevelance hgas been associated with PRRS, Circovirus and Swine Influenza.  
     
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