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Updated: Jul 3, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
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Published on: April 7, 2015

Streptococcus bovis infections in pigeons.

L A Devriese1, E Uyttebroek, D Gevaert

  • 1Faculty of Veterinary Medicine, University of Gent, Casinoplein 24, Gent, Belgium.

Avian Pathology : Journal of the W.V.P.A
|July 1, 1990
PubMed
Summary

Streptococcus bovis causes varied health issues in pigeons, from sudden death to arthritis. Intravenous infection leads to severe illness, while oral infection shows no symptoms.

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Area of Science:

  • Avian pathology
  • Bacterial infections in poultry

Background:

  • Streptococcus bovis is a bacterium known to cause infections in various animal species.
  • Pigeon health can be impacted by bacterial pathogens, leading to significant morbidity and mortality.

Purpose of the Study:

  • To investigate the diagnosis and pathological effects of Streptococcus bovis infection in pigeons.
  • To characterize the clinical signs and lesions associated with S. bovis in avian species.

Main Methods:

  • Post-mortem examination of pigeons from 20 affected lofts.
  • Histological analysis to determine the nature of the infection.
  • Experimental intravenous and oral inoculation of S. bovis in pigeons.

Main Results:

  • Streptococcus bovis infection was identified in pigeons exhibiting diverse clinical signs, including acute death and chronic arthritis.
  • Histopathology revealed a septicaemic infection, with purulent hepatitis and nephritis being characteristic post-intravenous inoculation.
  • Muscle necrosis with purulent myositis was observed in some cases.
  • Oral inoculation did not result in observable clinical signs.

Conclusions:

  • Streptococcus bovis can cause significant disease in pigeons, with intravenous routes leading to severe systemic infections.
  • The clinical presentation and pathological findings highlight the importance of considering S. bovis in avian disease diagnostics.
  • Further research may be warranted to understand transmission dynamics and effective treatment strategies.