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| | *Produce endotoxins which cause host damage and death | | *Produce endotoxins which cause host damage and death |
| | *Their capsules resist phagocytosis | | *Their capsules resist phagocytosis |
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| | + | *''Pasteurella'' may be found in [[Bacterial skin infections - Pathology#Deep pyoderma|deep pyoderma]] |
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| − | *''Pasteurella'' may be found in [[Bacterial skin infections - Pathology#Deep pyoderma|deep pyoderma]]
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| − | ===''Mannheimia haemolytica''=== | + | ===''[[Mannheimia haemolytica]]''=== |
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| − | *Cause of epizootic pneumonia in cattle known as Shipping Fever, Transit Fever or [[Respiratory Bacterial Infections - Pathology#Pneumonic pasteurellosis|pneumonic pasteurellosis]] (90% caused by ''Mannheimia haemolytica'' Biotype A, serotype 1 but also ''Pasteurella multocida''
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| − | *Usually secondary to viral infections such as [[Respiratory Viral Infections - Pathology#Parainfluenza- 3|parainfluenza - 3]] or [[Respiratory Viral Infections - Pathology#In Cattle|IBR]], bacterial infections such as ''Mycoplasma'' or environmental stress
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| − | *May contribute to [[Respiratory Bacterial Infections - Pathology#Enzootic pneumonia of calves|Enzootic pneumonia of calves]]
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| − | *Enzootic pneumonia in sheep
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| − | * [[Peritoneal Cavity Inflammatory - Pathology#Peritonitis|Peritonitis in sheep]]
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| − | * [[Oedema - Pathology#Permeability type|Permeability types of pulmonary oedema]]
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| − | *Septicaemia in young lambs
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| − | *Causes gangrenous mastitis in sheep
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| − | *Beta-haemolytic on blood agar
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| − | *Grow weakly on MacConkey agar
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| − | *Odourless
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| − | *All are ''Mannheimia'' A biotypes (previously ''Pasterurella haemolytica'')
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| − | *Strains often produce a cytotoxin, known as leukotoxin, which kills leukocytes of ruminants
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| − | *Leukotoxin is a member of the RTX group toxins, and is probably largely responsible for the pathogenicity of the bacteria in septicaemia and pneumonia
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| | ===''Mannheimia glucosida''=== | | ===''Mannheimia glucosida''=== |