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''Mannheimia haemolytica'' is a species of the [[:Category:Pasteurella and Mannheimia species|''Mannheimia'']] genus. It is the cause of epizootic pneumonia in cattle known as Shipping Fever, Transit Fever or [[Pneumonic Pasteurellosis|pneumonic pasteurellosis]]. 90% is caused by ''Mannheimia haemolytica'' Biotype A, serotype 1 but also ''[[Pasteurella multocida]]''. It is usually secondary to viral infections such as [[Bovine Parainfluenza - 3|parainfluenza - 3]] or [[Infectious Bovine Rhinotracheitis|IBR]], bacterial infections such as [[:Category:Mycoplasma species|''Mycoplasma'']] or environmental stress.

''Mannheimia haemolytica'' is a species of the [[:Category:Pasteurella and Mannheimia species|''Mannheimia'']] genus. It is the cause of epizootic pneumonia in cattle known as Shipping Fever, Transit Fever or [[Pneumonic Pasteurellosis|pneumonic pasteurellosis]]. 90% is caused by ''Mannheimia haemolytica'' Biotype A, serotype 1 but also ''[[Pasteurella multocida]]''. It is usually secondary to viral infections such as [[Bovine Parainfluenza - 3|parainfluenza - 3]] or [[Infectious Bovine Rhinotracheitis|IBR]], bacterial infections such as [[:Category:Mycoplasmas|''Mycoplasma'']] or environmental stress.

''M.haemolytica'' may contribute to [[Enzootic Pneumonia - Calves|Enzootic pneumonia of calves]];[[Enzootic Pneumonia - Lambs|Enzootic pneumonia of lambs]]; [[Peritonitis|Peritonitis in sheep]] and [[Oedema - Pathology#Permeability type|Permeability types of pulmonary oedema]]. It also causes gangrenous [[Mastitis|mastitis]] in sheep.

''M.haemolytica'' may contribute to [[Enzootic Pneumonia - Calves|Enzootic pneumonia of calves]];[[Enzootic Pneumonia - Lambs|Enzootic pneumonia of lambs]]; [[Peritonitis|Peritonitis in sheep]] and [[Oedema - Pathology#Permeability type|Permeability types of pulmonary oedema]]. It also causes gangrenous [[Mastitis|mastitis]] in sheep.