Equine Medicine

Equine Pythiosis: An Overview

Pythiosis is a noncontagious disease caused by Pythiosis insidiosum, a fungus-like, protozoan organism. Until recently, it was considered to be a threat only to horses living in tropical or subtropical environments; however, it has been seen in many other areas of the United States, such as Illinois, New York, and even Wisconsin.1 Although dogs, cats, …