Streptococcus zooepidemicus

• Colonises mucous membranes
• Causes mastitis, pneumonia, sinusitis and navel infections in horses
• S. zooepidemicus can cause similar signs to strangles in horses and may accompany RAO
• Secondary invador after equine influenza
• Colonises skin and mucous membranes of cattle, lambs, pigs and poultry and causes suppurative infections and septicaemia
• Can cause vascular fragility, leading to haemorrhagic disease