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Respiratory Bacterial Infections - Pathology (view source)

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→‎Pneumonic pasteurellosis

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[[Cillia-associated Respiratory Bacillus]]

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===Pneumonic ~~pasteurellosis~~===

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===[[Pneumonic Pasteurellosis]]===

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*Synonym: '''Shipping fever'''

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*Caused by [[Mannheimia haemolytica|''Manheimia haemolytica'' biotype A serotype 1 (90%)]] and ''[[Pasteurella multocida]]''

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*In young, growing cattle

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*In clinically normal cattle ''Mann. haemolytica'' serotype 2 is present in low numbers, only in nasal cavity and tonsils

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*Clinical signs: depression, anorexia, rapid shallow respiration, crusty nose with mucopurulent discharge, serous ocular discharge

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*Acute [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchopneumonia]] and may progress to [[Lungs Inflammatory - Pathology#Lobar pneumonia|lobar pneumonia]] with toxaemia

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*Pathology

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**Lobar, cranioventral exudative pneumonia with fibrin, [[Pleural Cavity & Membranes Inflammatory - Pathology|fibrinous pleuritis]], areas of coagulative necrosis

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*Histology

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**Large numbers of bacteria are usually associated with necrotic lesions

===Tuberculosis===

Bara

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Respiratory Bacterial Infections - Pathology (view source)

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