Difference between revisions of "Enzootic Pneumonia - Lambs"

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*Caused by [[Mannheimia haemolytica|''Pasteurella (Manheimia) haemolytica'']], possibly together with [[:Category:Mycoplasmas|''Mycoplasma ovipneumoniae'']]
 
*Caused by [[Mannheimia haemolytica|''Pasteurella (Manheimia) haemolytica'']], possibly together with [[:Category:Mycoplasmas|''Mycoplasma ovipneumoniae'']]
 
*Mainly in late spring/early summer after environmental stress i.e. handling or moving
 
*Mainly in late spring/early summer after environmental stress i.e. handling or moving
*May be acute with producing a fibrinonecrotic [[Bronchitis#Infectious causes of bronchitis or bronchiolitis|broncho]][[Pneumonia Overview#Infectious causes of pneumonia|pneumonia]] and associated [[Pleural Cavity & Membranes Inflammatory - Pathology|pleuritis]]
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*May be acute with producing a fibrinonecrotic [[Bronchitis#Infectious causes of bronchitis or bronchiolitis|broncho]][[Pneumonia Overview#Infectious causes of pneumonia|pneumonia]] and associated [[Pleuritis|pleuritis]]
 
*Or tending towards chronicity with abscessation and fibrous pleural adhesions
 
*Or tending towards chronicity with abscessation and fibrous pleural adhesions
 
*A septicaemic form (mortality 5%) is reported to follow the stress of movement to new pasture in the autumn in weaned lambs.
 
*A septicaemic form (mortality 5%) is reported to follow the stress of movement to new pasture in the autumn in weaned lambs.
 
*Foci of necrosis containing many bacteria are seen at the site of initial invasion in the pharynx and in the '''[[Liver - Anatomy & Physiology|liver]]'''
 
*Foci of necrosis containing many bacteria are seen at the site of initial invasion in the pharynx and in the '''[[Liver - Anatomy & Physiology|liver]]'''
 
*Meningitis in young lambs and mastitis in ewes are other expressions
 
*Meningitis in young lambs and mastitis in ewes are other expressions
[[Category:Respiratory_Bacterial_Infections]]
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[[Category:To Do - Major]][[Category:To Do - Respiratory]][[Category:Respiratory_Bacterial_Infections]]
 
[[Category:Respiratory Diseases - Sheep]]
 
[[Category:Respiratory Diseases - Sheep]]

Latest revision as of 12:03, 13 May 2011

  • Caused by Pasteurella (Manheimia) haemolytica, possibly together with Mycoplasma ovipneumoniae
  • Mainly in late spring/early summer after environmental stress i.e. handling or moving
  • May be acute with producing a fibrinonecrotic bronchopneumonia and associated pleuritis
  • Or tending towards chronicity with abscessation and fibrous pleural adhesions
  • A septicaemic form (mortality 5%) is reported to follow the stress of movement to new pasture in the autumn in weaned lambs.
  • Foci of necrosis containing many bacteria are seen at the site of initial invasion in the pharynx and in the liver
  • Meningitis in young lambs and mastitis in ewes are other expressions