Epidemiology of equine streptococci.

This study explores the prevalence of Group C streptococci, primarily Streptococcus zooepidemicus, in various tissues of horses. Interestingly, Streptococcus equi was not found in any of the examined samples.

Study Overview

• The research focused on an analysis of the presence of certain bacteria, particularly Group C streptococci, in equine tissues. These bacteria were predominantly of the Streptococcus zooepidemicus strain.
• The tissues analyzed in this study were obtained primarily from the tonsils of horses, their draining regional lymph nodes, and deep nasal swabs.

Key Findings

• Results showed that Group C streptococci were found in all tissues tested. This indicates that these bacteria are prevalent within these areas of a horse’s body.
• The most common location for the isolation of these bacteria was identified as the tonsil. This suggests that this area serves as a significant reservoir for the bacteria in the horse’s body.
• The study also discovered that Streptococcus equi was not found in any of the samples analyzed. This is worth noting as Streptococcus equi is the bacterium responsible for Strangles, a common and serious infectious disease in horses.

Significance of the Research

• The findings of this research provide valuable insights into the spread and prevalence of Group C streptococci within equine species, which can be beneficial for further understanding and controlling bacterial infections in horses.
• Understanding where these bacteria are most commonly found will help guide preventative measures or treatments to minimize their impact.
• The absence of Streptococcus equi in the tested samples may indicate that the source of Strangles, a severe equine disease, may not be as straightforward as previously thought, warranting further investigation.