Actinobacillus equuli

**Semantic type:** Bacterium

**Definition:** A species of anaerobic, Gram negative, rod shaped bacteria assigned to the phylum Proteobacteria. This bacteria is nonmotile, oxidase and urease positive, weakly catalase positive, does not hydrolyze esculin and produces acid from glucose, lactose and xylose. A. equuli is a commensal organism of the horse upper respiratory tract but may cause disease in foals and zoonotic infections in humans.

**Synonyms:** - ACTINOBACILLUS EQUULI