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Redirected page to Category:Haemophilus species
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<big><center>[[Infectious agents and parasites|'''BACK TO INFECTIOUS AGENTS AND PARASITES''']]</center></big>
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#REDIRECT[[:Category:Haemophilus species]]
<big><center>[[Bacteria|'''BACK TO BACTERIA''']]</center></big>
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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]]
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===''Haemophilus characteristica''===
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*Morphologically variable Gram-negative bacilli, ranging from short rods to long filaments
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*Oxidase negative
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*Depend on beta-nicotinamide adenine dinucleotide (NAD) and/or Haemin for growth
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*Heated blood agar (Chocolate Agar) required for growth of NAD-dependent strains
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*Haemin-dependent strains grow on Blood Agar
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*Do not grow on MacConkey agar
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*Inhabit mucosal epithelium of respiratory and genital tract
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===''Haemophilus parasuis''===
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*Serotype B causes Glasser's disease in pigs
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*Glasser's disease
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**Due to transport, environmental stresses, dietary and managemental factors
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**Acute septicaemia
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**Causes a polyserositis - pericarditis, [[Peritoneal cavity - inflammatory#Peritonitis|peritonitis]], pleurisy and meningitis - in pigs 3-10 weeks old
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**Sporadic outbreaks in the UK
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**Can be fatal in 2-5 days
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**Mortality up to 50% insome outbreaks
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**Chronic arthritis, meningitis and intestinal obstruction due to adhesions in surviving pigs
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, suppurative [[Bacterial infections#Glasser's disease|bronchopneumonia, pleuritis]], pericarditis, (as part of polyserositis), meningitis, [[Joints - inflammatory#In Pigs|polyarthritis]] (also ''H. suis)
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**Expressed lesion vary between animals - meningitis is most consistent, arthritis in 20% of cases
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*Fibrinous pneumonia secondary to enzootic pneumonia or virus infection
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===''Haemophilus somnus''===
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*Causes infectious thromboencephalitis in cattle 1-3 years old
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*Found in the USA and Europe, including UK
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*Causes a meningoencephalitis with fibrinous arterial thrombosis and necrosis
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*Causes fever, staggering and dyspnoea, progressing to somnolence, paralysis and death
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*Mortality can be high
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===''Haemophilus paragalinarum''===
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*Conjunctivitis in poultry
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===''Haemophilus influenzae''===
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*Human respiratory disease
 
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