Streptococci

BACK TO INFECTIOUS AGENTS AND PARASITES BACK TO BACTERIA

• Haemolytic streptococci of Lancefield group C are common inhabitants of the equine nasopharynx *Streptococcus zooepidemicus and S. equisimilis are usually non-pathogenic
• S. equi is more pathogenic and is the cause of strangles with rhinitis, pharyngitis, lymphadenitis

URT inflammation in horses

• peritonitis in pigs

• S. zooepidemicus can cause sililar signs to strangles in horses