Pigeon Fever is infecting horses in several Utah locations and is expected to spread. The disease was first recognized in the Uintah Basin about the middle of June 2003 and appeared at several locations within a few days.

EPM is a disease that affects the nervous system of horses. Although many horses are exposed to the causative agent, Sarcocystis falcatula, clinical signs result from the migration of this agent into the central nervous system. These clinical signs vary from mild gait abnormalities or behavioral changes to severe seizures and paralysis.

A Novel Morbillivirus Pneumonia of Horses and its Transmission to Humans. On September 22 and 23, 1994, veterinary authorities in Queensland and at the CSIRO Australian Animal Health Laboratory were advised of an outbreak of acute respiratory disease in horses at a stable in the Brisbane suburb of Hendra.

This page provides background information about infectious agents that are important in outbreaks of upper respiratory tract disease among populations of horses. Infectious respiratory disease is a very common problem in many species including horses. This is particularly true for performance horses because disease can interfere with athletic activity. In a survey of horse producers in Michigan, respiratory disease was ranked as the most common medical problem of horses, and only colic was considered to be more important.

Potomac Horse Fever (PHF) or Equine Monocytic Ehrlichiosis is an infectious diarrheal disease seen most frequently in the late summer through early fall months. It was originally reported near the Potomac River in Maryland and Virginia, but today it can be found throughout the United States.

Speaking at the Eighth International Conference on Equine Infectious Diseases, D. Knowles, Jr. said that Equine babesiosis, caused by either of the 2 distinct protozoan parasites, Babesia equi or Babesia caballi, continues to have significant impact on the international movement of horses.

The greatest risk for introduction of this disease into Canada or other non-endemic areas is through trading of animals or international equestrian sports, where infected and non-infected animals are in contact. Many disease free countries have the climate suitable for a foreign tick vector, or have ticks which could act as vectors.

Dryland distemper is also known as pigeon fever. The chest and underbelly become swollen, then abscesses form in these areas within one to four weeks. The duration of the disease varies from weeks to months, depending on the severity of the abscesses.

Equine veterinarians at Colorado State University's (CSU) James L. Voss Veterinary Teaching Hospital report a serious increase in the number of cases of pigeon fever they have treated since early fall 2002 and warn horse owners to be alert for signs of the highly contagious disease.

Sarcocystis Neurona Vaccine from Ford Dodge Animal Health is the only vaccine that may aid in the prevention of Equine Protozoal Myeloencephalitis, a devastating and costly disease that is the most common neurological condition affecting horses in North and South America.