''A.viscosus'' is involved in canine actinomycosis and causes localised, subcutaneous pyogranulomatous lesions and fibrovascular proliferation of peritoneal ([[Peritonitis - Cats and Dogs|peritonitis]]) and pleural surfaces in dogs. | ''A.viscosus'' is involved in canine actinomycosis and causes localised, subcutaneous pyogranulomatous lesions and fibrovascular proliferation of peritoneal ([[Peritonitis - Cats and Dogs|peritonitis]]) and pleural surfaces in dogs. |