Difference between revisions of "Haemophilus parasuis"

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*Inhabits nasopharynx of normal swine
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*Serotype B causes [[Glasser's Disease|Glasser's disease]] in pigs
 
*Glasser's disease
 
**Septicaemia
 
**Acute inflammation affecting pleua, peritoneum, mediastinum, pericardium, joints and meninges
 
**Causes a polyserositis - pericarditis, [[Peritonitis|peritonitis]], pleurisy and meningitis - in pigs 3-10 weeks old
 
**Also causes suppurative [[Respiratory Bacterial Infections - Pathology#Glasser's disease|bronchopneumonia, pleuritis]],  [[Joints Inflammatory - Pathology#In Pigs|polyarthritis]] (also ''H. suis)
 
**Expressed lesions vary between animals - meningitis is most consistent, arthritis in 20% of cases
 
**Fever, general malaise, repsiratory and abdominal signs, lameness, paralysis or convulsions
 
**Sporadic outbreaks in the UK
 
**Morbidity and mortality often low due to widespread acquired resistance
 
**Mortality up to 50% in some outbreaks e.g. specific pathogen-free herds
 
**Can be fatal in 2-5 days
 
**Chronic arthritis, meningitis and intestinal obstruction due to adhesions in some surviving pigs
 
**Due to transport, environmental stresses, dietary and managemental factors
 
*Fibrinous pneumonia secondary to enzootic pneumonia or virus infection e.g. swine influenza
 
  
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| Also known as:
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| HPS
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''Haemophilus parasuis'' is a species of the ''[[Haemophilus species - Overview|Haemophilus]]'' genus. It inhabits the nasopharynx of normal swine.
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Serotype B of the bacteria causes [[Glasser's Disease|Glasser's disease]] in pigs. It can also cause; fibrinous polyserositis, [[Joints Inflammatory - Pathology#In Pigs|polyarthritis]], meningitis
  
**Cause Glasser's disease
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[[Category:Haemophilus species]][[Category:Pig]]
**Fibrinous polyserositis, polyarhritis, meningitis
 
  
[[Category:Haemophilus species]][[Category:Pig]]
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[[Category:To_Do_-_AimeeHicks]]
[[Category:To_Do_-_Bacteria]]
 

Revision as of 10:43, 21 July 2010



Also known as: HPS

Haemophilus parasuis is a species of the Haemophilus genus. It inhabits the nasopharynx of normal swine. Serotype B of the bacteria causes Glasser's disease in pigs. It can also cause; fibrinous polyserositis, polyarthritis, meningitis