The infectious disease - the most important information:

  • Occurs in sheep and goats
  • Pathogen - Corynebacterium pseudotuberculosis 
  • Chronic course
  • Continuous spread in stock
  • Main symptom: Swelling of the lymph nodes with abscess formation (Fig. 1)

Further information on pseudotuberculosis.

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Fig.1
Pseudotuberluose - Lymphknotenanschwellung
Pseudotuberluose - Lymphknotenanschwellung
Pseudotuberluose - Lymphknotenanschwellung

Infection

  • Spreads via infected animals
  • Risk factor: Purchasing clinically inconspicuous livestock in the early stages of infection
  • Abscess pus contains bacteria and is highly infectious
  • Infection via pathogen-containing milk or breathable air
  • Pathogen is resistant to environmental factors

Symptoms - Outward manifestation

  • Port of entry: Skin injuries
  • Superficial lymph nodes are enlarged (Fig. 1)
  • Abscesses burst 2-6 months after infection (Fig. 2)
  • Discharge of infectious, yellowy-green pus
caption
Fig.2
Ziege mit Lymphknotenanschwellung
Ziege mit Lymphknotenanschwellung

Symptoms - Internal manifestation

  • Abscesses in the lymph nodes of the internal organs, mostly the lungs and/or liver (Fig. 3)
  • Atypical symptoms: Emaciation, breathing difficulties, decline in performance

 

 

caption
Fig.3
Abzess in Lymphknoten
Abszess
caption
Abscesses in the lymph nodes
Abszess in Lymphknoten

Prevention

Prevention

  • Diagnosis through laboratory testing
  • Removal of infected animals from the stock herd
  • Controlled purchasing from trusted livestock holdings
  • Observing general hygiene principles
  • Participation in prevention programmes

Measures to be taken

Measures to be taken

  • TGD Programme on the Prevention and Monitoring of Pseudotuberculosi
  • Regular blood testing to establish unsuspicious (virus free) herds
  • Testing for takes place at the AGES Institutes for Veterinary Examinations in Linz and Innsbruck

Diagnosis

Diagnosis

Detection of pathogens

  • Culturing of material from abscesse
  • Examination of suspect organs (lymph nodes, lungs, liver etc.)
  • Fee: €22.20 incl. VAT

Detection of antibodies (ELISA)

  • Detection of antibodies in blood sample
  • Provides an indication of infection with C. pseudotuberculosis
  • For testing of livestock herds
  • For checks on additionally purchased livestock
  • Fee: €7.08 incl. VAT per sample

Investigating Body

Investigating Body

Institute for Veterinary Disease Control - Linz
Wieningerstraße 8, 4020 Linz, Austria

Tel. +43 50 555-45111
Fax  +43 50 555-45109
Email: vetmed.linz@ages.at

Opening hours
Mon.-Thurs. 07:30-15:30
Fri. 07:30-15:00


Institute for Veterinary Disease Control - Innsbruck
Technikerstraße 70, A-6020 Linz

Tel. +43 50 555-71300
Fax. +43 50 555-71333
Email: vetmed.innsbruck@ages.at

Opening hours
Mon.-Fri. 08:00-16:00

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