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Related Experiment Videos

Streptococcus suis serotypes associated with disease in weaned pigs.

R P Gogolewski1, R W Cook, C J O'Connell

  • 1New South Wales Agriculture and Fisheries.

Australian Veterinary Journal
|June 1, 1990
PubMed
Summary

Streptococcus suis, a significant swine pathogen, caused septicaemia and meningitis in weaned pigs. Types 9 and 2 were most frequently identified, alongside type 3 in bronchopneumonia cases.

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Area of Science:

  • Veterinary Microbiology
  • Swine Pathology
  • Bacterial Disease Epidemiology

Background:

  • Streptococcus suis is an important bacterial pathogen in pigs.
  • This bacterium can cause severe diseases such as septicaemia and meningitis.
  • Understanding serotype prevalence is crucial for disease control.

Purpose of the Study:

  • To identify the serotypes of Streptococcus suis involved in disease outbreaks in weaned pigs.
  • To document the occurrence of S. suis types in different pathological conditions.

Main Methods:

  • Bacterial isolation and identification from clinical samples of diseased pigs.
  • Serotyping of Streptococcus suis isolates to determine specific types.

Main Results:

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  • Streptococcus suis was isolated from nine outbreaks of septicaemia and meningitis.
  • Fifteen isolates were identified as S. suis type 9, and three as S. suis type 2.
  • S. suis type 2 and type 3 were also recovered from cases of bronchopneumonia.

Conclusions:

  • Streptococcus suis types 9 and 2 were significant causes of septicaemia and meningitis in weaned pigs during the study period.
  • Different S. suis serotypes may be associated with distinct clinical presentations, including bronchopneumonia.