Difference between revisions of "Chlamydophila psittaci"

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*Causes notifiable psittacosis in birds
+
*Causes notifiable psittacosis in birds  
*Epidemiology:
+
*Epidemiology:  
**Many wild and domestic birds susceptible
+
**Many wild and domestic birds susceptible  
**Organisms present in respiratory secretions and faeces of infected birds
+
**Organisms present in respiratory secretions and faeces of infected birds  
**Infection via inhalation or ingestion
+
**Infection via inhalation or ingestion  
**Subclinical infection common
+
**Subclinical infection common  
**Intermittent shedding for prolonged periods
+
**Intermittent shedding for prolonged periods  
**Stress precipitates disease outbreaks
+
**Stress precipitates disease outbreaks  
*Clinical signs:
+
*Clinical signs:  
**Generalised infection affecting intestinal and respiratory tracts
+
**Generalised infection affecting intestinal and respiratory tracts  
**Up to 10 day incubation period
+
**Up to 10 day incubation period  
**Loss of condtion, oculonasal discahrge, diarrhoea and respiratory distress depending on strain
+
**Loss of condtion, oculonasal discahrge, diarrhoea and respiratory distress depending on strain  
**Hepatomegaly, airsacculitis and peritonitis
+
**Hepatomegaly, airsacculitis and peritonitis  
*Diagnosis: stained smears, immunohistochemistry, ELISA, PCR, isolation, antibody detection by ELISA and complement fixation
+
*Diagnosis: stained smears, immunohistochemistry, ELISA, PCR, isolation, antibody detection by ELISA and complement fixation  
*Treatment: tetracyclines for several weeks
+
*Treatment: tetracyclines for several weeks  
*Control: quaranteen imported birds and give tetracyclines; good husbandry
+
*Control: quaranteen imported birds and give tetracyclines; good husbandry  
*Involved in [[Nasal Cavity Inflammatory - Pathology#In Cats|feline rhinotracheitis]] together with [[Herpesviridae|herpes virus 1]]  
+
*Involved in [[Nasal Cavity Inflammatory - Pathology#In_Cats|feline rhinotracheitis]] together with [[Herpesviridae|herpes virus 1]]  
 
*Zoonotic by aerosol infection - can cause systemic disease with pneumonia, meningitis or meningoencephalitis
 
*Zoonotic by aerosol infection - can cause systemic disease with pneumonia, meningitis or meningoencephalitis
  
[[Category:Chlamydophila species]][[Category:Poultry]][[Category:Birds]]
+
[[Category:Chlamydophila_species]] [[Category:Avian Bacteria]] [[Category:To_Do_-_Bacteria]]
[[Category:To_Do_-_Bacteria]]
 

Revision as of 15:57, 24 January 2011

  • Causes notifiable psittacosis in birds
  • Epidemiology:
    • Many wild and domestic birds susceptible
    • Organisms present in respiratory secretions and faeces of infected birds
    • Infection via inhalation or ingestion
    • Subclinical infection common
    • Intermittent shedding for prolonged periods
    • Stress precipitates disease outbreaks
  • Clinical signs:
    • Generalised infection affecting intestinal and respiratory tracts
    • Up to 10 day incubation period
    • Loss of condtion, oculonasal discahrge, diarrhoea and respiratory distress depending on strain
    • Hepatomegaly, airsacculitis and peritonitis
  • Diagnosis: stained smears, immunohistochemistry, ELISA, PCR, isolation, antibody detection by ELISA and complement fixation
  • Treatment: tetracyclines for several weeks
  • Control: quaranteen imported birds and give tetracyclines; good husbandry
  • Involved in feline rhinotracheitis together with herpes virus 1
  • Zoonotic by aerosol infection - can cause systemic disease with pneumonia, meningitis or meningoencephalitis