Streptococcus equi

**Definition:** A species of gram-positive, coccoid bacteria isolated from abscesses in submaxillary glands and mucopurulent discharges of the upper respiratory tract of horses. This organism belongs to Group C streptococci with regards to antigen response and is known to cause strangles. The subspecies S. zooepidemicus is also considered a pathogen of horses.

**Tree numbers:** - B03.353.750.737.872.225 - B03.510.400.800.872.225 - B03.510.550.737.872.225