Changes

*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]]