View source for Pneumonic Pasteurellosis

*Synonym: '''Shipping fever'''
*Caused by [[Mannheimia haemolytica|''Manheimia haemolytica'' biotype A serotype 1 (90%)]] and ''[[Pasteurella multocida]]''
*In young, growing cattle
*In clinically normal cattle ''Mann. haemolytica'' serotype 2 is present in low numbers, only in nasal cavity and tonsils
*Clinical signs: depression, anorexia, rapid shallow respiration, crusty nose with mucopurulent discharge, serous ocular discharge
*Acute [[Bronchitis#Infectious causes of bronchitis or bronchiolitis|bronchopneumonia]] and may progress to [[Lobar Pneumonia|lobar pneumonia]] with toxaemia
*Pathology
**Lobar, cranioventral exudative pneumonia with fibrin, [[Pleuritis|fibrinous pleuritis]], areas of coagulative necrosis
*Histology
**Large numbers of bacteria are usually associated with necrotic lesions


[[Category:To Do - Medium]][[Category:To Do - Respiratory]]
[[Category:Respiratory Diseases - Cattle]]
[[Category:Respiratory_Bacterial_Infections]]