Line 20: |
Line 20: |
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− | *May be present in upper respiratory tract of sows
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− | *Pathogenicity and clinical signs:
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− | **Infection of piglets via aerosol or possibly skin abrasions
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− | **Fatal septicaemia in piglets 1-8 weeks old
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− | **Mortality up to 50% in some litters
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− | **Fever, respiratory distress, prostration and paddling of forelimbs seen in piglets
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− | **Petechial and ecchymotic haemorrhages in many organs
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− | **Interstitial pneumonia, pleuritis, meningoencephalitis, myocarditis and arthritis
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− | **Causes abscesses in joints and lungs of older pigs
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− | **Carried in the nasopharynx of pigs and nose of horses
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− | **Carriage may confer immunity to the more severe pleuropneumonia
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− | *Diagnosis:
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− | **Specimens cultured on blood agar and MacConkey agar for 1-3 days
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− | **Sticky haemolytic colonies
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− | **Pink, lactose-fermenting colonies on MacConkey agar
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− | *Treatment and control:
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− | **Bacteria usually susceptible to ampicillin, carbenicillin, potentiated sulphonamides and tetracyclines
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− | **Disinfect contaminated pens
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− | *Other animals:
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− | **Septicaemia and pneumonia in foals
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− | **Pneumonia in pigs and horses
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| [[Category:Actinobacillus_species]][[Category:Pig Bacteria]][[Category:Respiratory Diseases - Pig]][[Category:Horse Bacteria]] | | [[Category:Actinobacillus_species]][[Category:Pig Bacteria]][[Category:Respiratory Diseases - Pig]][[Category:Horse Bacteria]] |
| [[Category:To_Do_-_Bacteria]][[Category:To Do - Jaimie Meagor]] | | [[Category:To_Do_-_Bacteria]][[Category:To Do - Jaimie Meagor]] |