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 [[ | + | *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]] | ||
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