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Created page with '*Cause of epizootic pneumonia in cattle known as Shipping Fever, Transit Fever or [[Respiratory Bacterial Infections - Pathology#Pneumonic pasteurellosis|pneumonic pasteurellosis…'
*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]]''
*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
*May contribute to [[Respiratory Bacterial Infections - Pathology#Enzootic pneumonia of calves|Enzootic pneumonia of calves]]
*Enzootic pneumonia in sheep
* [[Peritoneal Cavity Inflammatory - Pathology#Peritonitis|Peritonitis in sheep]]
* [[Oedema - Pathology#Permeability type|Permeability types of pulmonary oedema]]
*Septicaemia in young lambs
*Causes gangrenous mastitis in sheep
*Beta-haemolytic on blood agar
*Grow weakly on MacConkey agar
*Odourless
*All are ''Mannheimia'' A biotypes (previously ''Pasterurella haemolytica'')
*Strains often produce a cytotoxin, known as leukotoxin, which kills leukocytes of ruminants
*Leukotoxin is a member of the RTX group toxins, and is probably largely responsible for the pathogenicity of the bacteria in septicaemia and pneumonia
[[Category:Pasteurella_and_Mannheimia_species]][[Category:Cattle]][[Category:Sheep]]
*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
*May contribute to [[Respiratory Bacterial Infections - Pathology#Enzootic pneumonia of calves|Enzootic pneumonia of calves]]
*Enzootic pneumonia in sheep
* [[Peritoneal Cavity Inflammatory - Pathology#Peritonitis|Peritonitis in sheep]]
* [[Oedema - Pathology#Permeability type|Permeability types of pulmonary oedema]]
*Septicaemia in young lambs
*Causes gangrenous mastitis in sheep
*Beta-haemolytic on blood agar
*Grow weakly on MacConkey agar
*Odourless
*All are ''Mannheimia'' A biotypes (previously ''Pasterurella haemolytica'')
*Strains often produce a cytotoxin, known as leukotoxin, which kills leukocytes of ruminants
*Leukotoxin is a member of the RTX group toxins, and is probably largely responsible for the pathogenicity of the bacteria in septicaemia and pneumonia
[[Category:Pasteurella_and_Mannheimia_species]][[Category:Cattle]][[Category:Sheep]]