tailieunhanh - Mannheimia haemolytica serovars associated with respiratory disease in cattle in Great Britain

Mannheimia haemolytica is commonly associated with respiratory disease in cattle worldwide as a cause of fibrinous pneumonia, bronchopneumonia and pleuritis. M. haemolytica is further subdivided into 12 serovars, however not all are considered to be pathogenic in cattle. |

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