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Postmortem detection of acute septicemia in broilers

M E Fisher1, D W Trampel, R W Griffith

  • 1United States Department of Agriculture, Food Safety and Inspection Service, Omaha, NE 68102, USA.

Avian Diseases
|October 20, 1998
PubMed
Summary
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Early detection of septicemia in broilers is crucial for public health. Specific organ lesions, like arthritis from Staphylococcus aureus, can identify unwholesome carcasses before skeletal muscle changes occur.

Area of Science:

  • Veterinary Pathology
  • Food Safety
  • Poultry Health

Background:

  • Septicemia in poultry is a significant concern, diagnosed postmortem via macroscopic lesions.
  • Early identification of septicemia is vital for public health and food safety.
  • Current diagnostic methods rely on gross lesions, but timing relative to muscle changes is key.

Purpose of the Study:

  • To determine if acute septicemia lesions in broiler visceral organs are detectable before skeletal muscle alterations.
  • To investigate gross pathological changes associated with Pasteurella multocida, Escherichia coli, and Staphylococcus aureus septicemia in broilers.

Main Methods:

  • Induced septicemia in broilers using P. multocida, E. coli, and S. aureus.
  • Monitored and recorded macroscopic lesions in visceral organs and skeletal muscle.

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  • Assessed spleen and liver weights during the acute phase of infection.

    • Main Results:

    • Increased spleen and liver weights were observed during acute septicemia.
    • Airsacculitis, pericarditis, and perihepatitis were noted with P. multocida and E. coli.
    • Arthritis was the earliest gross lesion for S. aureus septicemia.

    Conclusions:

    • Macroscopic lesions in visceral organs are sufficient to identify septicemic broiler carcasses early.
    • These lesions can be detected prior to the development of skeletal muscle changes.
    • This aids in identifying unwholesome poultry products effectively.