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*Inhabits nasopharynx of normal swine

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*Serotype B causes [[Glasser'~~s Disease|Glasser~~'~~s disease]] in pigs~~

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{{Taxobox

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*Glasser's disease

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|name =''Haemophilus parasuis''

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**Septicaemia

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|phylum =Proteobacteria

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**Acute inflammation affecting pleua, peritoneum, mediastinum, pericardium, joints and meninges

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|class =Gamma Proteobacteria

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**Causes a polyserositis - pericarditis, [[Peritonitis|~~peritonitis]], pleurisy and meningitis - in pigs 3-10 weeks old~~

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|order =Pasteurellales

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**Also causes suppurative [[~~Respiratory Bacterial Infections - Pathology#Glasser's disease~~|~~bronchopneumonia, pleuritis~~]]~~, [[Joints Inflammatory - Pathology#In Pigs~~|~~polyarthritis]] (also~~ ''H. ~~suis)~~

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|family =Pasteurellaceae

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**Expressed lesions vary between animals - meningitis is most consistent, arthritis in 20% of cases

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|genus =[[:Category:Haemophilus species|Haemophilus]]

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**Fever, general malaise, repsiratory and abdominal signs, lameness, paralysis or convulsions

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|species =''H.parasuis''

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**Sporadic outbreaks in the UK

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}}

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**Morbidity and mortality often low due to widespread acquired resistance

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Also known as: '''''HPS

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**Mortality up to 50% in some outbreaks e.g. specific pathogen-free herds

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**Can be fatal in 2-5 days

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**Chronic arthritis, meningitis and intestinal obstruction due to adhesions in some surviving pigs

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**Due to transport, environmental stresses, dietary and managemental factors

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*Fibrinous pneumonia secondary to enzootic pneumonia or virus infection e.g. swine influenza

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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, polyarthritis and meningitis.

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**Cause Glasser'~~s disease~~

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{{Learning

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**Fibrinous polyserositis, polyarhritis, meningitis

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|literature search = [http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=%22Haemophilus+parasuis%22&occuring1=title&rowId=2&options2=AND&q2=&occuring2=freetext&rowId=3&options3=AND&q3=&occuring3=freetext&x=37&y=8&publishedstart=yyyy&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all ''Haemophilus parasuis'' publications]

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}}

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[[Category:Haemophilus species]]~~[[Category:Pig]]~~

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[[Category:~~To_Do_-_Bacteria~~]]

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[[Category:Haemophilus species]]

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[[Category:Expert_Review]]

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Revision as of 18:33, 6 July 2012