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Haemophilus species (view source)

Revision as of 15:16, 17 December 2007

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*''Haemophilus sommus'' in [[Bacterial infections#Enzootic pneumonia of calves|Enzootic pneumonia of calves]]

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*''H. pleuropneumonia'' in [[Bacterial infections#Contagious porcine pleuropneumonia|Contagious porcine pleuropneumonia]]

===''Haemophilus characteristica''===

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

**Also causes suppurative [[Bacterial infections#Glasser's disease|bronchopneumonia, pleuritis]], [[Joints - inflammatory#In Pigs|polyarthritis]] (also ''H. suis)

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

**Sporadic outbreaks in the UK

**Can be fatal in 2-5 days

**Mortality up to 50% insome outbreaks

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

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

*Fibrinous pneumonia secondary to enzootic pneumonia or virus infection

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===''Haemophilus somnus''===

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*''Haemophilus sommus'' in [[Bacterial infections#Enzootic pneumonia of calves|Enzootic pneumonia of calves]]

*Causes infectious thromboencephalitis in cattle 1-3 years old

*Found in the USA and Europe, including UK

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*Causes fever, staggering and dyspnoea, progressing to somnolence, paralysis and death

*Mortality can be high

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===''Haemophilus pleuopneumonia''===

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*''H. pleuropneumonia'' in [[Bacterial infections#Contagious porcine pleuropneumonia|Contagious porcine pleuropneumonia]]

Flawrence

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