Difference between revisions of "Actinobacillus suis"

Revision as of 11:44, 20 June 2011

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-*May be present in upper respiratory tract of sows
-*Pathogenicity and clinical signs:
-**Infection of piglets via aerosol or possibly skin abrasions
-**Fatal septicaemia in piglets 1-8 weeks old
-**Mortality up to 50% in some litters
-**Fever, respiratory distress, prostration and paddling of forelimbs seen in piglets
-**Petechial and ecchymotic haemorrhages in many organs
-**Interstitial pneumonia, pleuritis, meningoencephalitis, myocarditis and arthritis
-**Causes abscesses in joints and lungs of older pigs
-**Carried in the nasopharynx of pigs and nose of horses
-**Carriage may confer immunity to the more severe pleuropneumonia
-*Diagnosis:
-**Specimens cultured on blood agar and MacConkey agar for 1-3 days
-**Sticky haemolytic colonies
-**Pink, lactose-fermenting colonies on MacConkey agar
-*Treatment and control:
-**Bacteria usually susceptible to ampicillin, carbenicillin, potentiated sulphonamides and tetracyclines
-**Disinfect contaminated pens
-*Other animals:
-**Septicaemia and pneumonia in foals
-**Pneumonia in pigs and horses
 [[Category:Actinobacillus_species]][[Category:Pig Bacteria]][[Category:Respiratory Diseases - Pig]][[Category:Horse Bacteria]]
 [[Category:To_Do_-_Bacteria]][[Category:To Do - Jaimie Meagor]]