Equine Herpesvirus (EHV)

Article

EHV-1: Florida Track Quarantines Fourth Barn

December 04, 2009

Calder Race Course Dec. 3 placed a fourth barn under quarantine after a track veterinarian determined that a horse in the barn was showing neurologic signs of illness consistent with equine herpesvirus-1 (EHV-1).... Read More

Article

Transport Stress and EHV-1

December 03, 2009

Dormant equine herpesvirus-1 (EHV-1) resides in the horse's nervous system, where it can reactivate when the horse's immune system is compromised by stress or illness. Results of a study on transport stress and EHV-1 reactivation. ... Read More

Article

Calder Race Course Reports EHV-1, Closed for Shippers

December 01, 2009

Officials at Calder Race Course Nov. 30 said a horse previously in its stable area has tested positive for equine herpesvirus (EHV-1) and that the track would not permit horses to ship into the facility for stabling or for a race for 14... Read More

Article

New EHV-1 Testing Protocol Indicates Infectious Risk

November 30, 2009

Not only can DNA-based tests indicate whether or not a horse is infected with equine herpesvirus-1 (EHV-1), these tests can also measure the amount of virus in the horse's nasal secretions.

"Virus isolation has been the... Read More

Article

New Treatment for Equine Herpesvirus Tested in Horses

November 21, 2009

A novel experimental treatment for equine herpesvirus type-1 (EHV-1) called RNA interference shows promise, but more research is needed before this technology becomes commercially available.

EHV-1 evades the horse's immune... Read More

Article

Researchers Track EHV-5 Incidence, Effects in Europe

November 06, 2009

Equine herpesvirus-5, which had previously been reported in horses in the United States, is also present in the European horse population, researchers recently reported. They found the virus in horses without any signs of disease (known as... Read More

Article

Model for Studying EHV-1 Neurologic Disease Successfully Established

October 21, 2009

In contrast to a recently published study on EHV-1, the late George Allen, PhD, a University of Kentucky Gluck Equine Research Center scientist, described a model to study... Read More

Article

Equine Disease Report: Second Quarter 2009

October 01, 2009

The International Collating Centre, Newmarket, England, and other sources reported the following disease outbreaks.

Contagious equine metritis (CEM) was recorded in France, the United States, and the United Kingdom (UK). One case of... Read More

Article

Study: Single EHV-1 Mutation Can Cause Lethal Neurologic Disease

September 30, 2009

A single mutation in the genome of equine herpesvirus-1 (EHV-1) was "necessary and sufficient" to cause neurologic disease in horses in a new study, reported Cornell University researchers.

All strains of EHV-1 can cause respiratory disease... Read More

Article

EHV-1 Neurologic Disease a Challenge for Researchers

September 25, 2009

Despite the remarkable advances in understanding neurologic disease in horses, including the identification of the single genetic mutation that gives rise to the neuropathogenic form of equine herpesvirus type-1 (EHV-1), virologists continue to... Read More

Article

Study: Neurologic Strain of Equine Herpesvirus-1 Increasing

September 23, 2009

The number of equine herpesvirus type-1 (EHV-1) infections caused by the neuropathogenic form of the virus has been steadily increasing over the past 51 years, report researchers from the University of Kentucky.

Clinical observations sugges... Read More

Article

Study: Neurologic Signs Not Limited to One EHV-1 Strain

September 11, 2009

Anytime a horse develops fever, malaise, and a stumbling gait or inability to stand, owners should contact a veterinarian immediately--they might be dealing with equine herpesvirus-1 (EHV-1). In addition, the animal should be quarantined to... Read More

Article

Secondhand Tack and Disease

September 01, 2009

Don't bring a disease home to your horses when buying used tack or even sharing equipment with your friends. ... Read More

Article

EHV-1 Quarantine Lifted at Pennsylvania Stable

August 31, 2009

A quarantine at Rolling Hills Ranch stable in Bridgeville, Allegheny County, Pa., has been lifted after samples collected from all 116 horses there tested negative for the neurologic form of equine herpesvirus-1, or EHV-1, said Agriculture... Read More

Article

Deadly Neurologic Equine Herpesvirus-1 Outbreak in France

August 02, 2009

Four horses have been euthanized and a fifth horse is recumbent following an outbreak of equine herpesvirus-1 (EHV-1) in a boarding stable in northern France, according to the treating veterinarian. Quarantine has been established and will... Read More

Article

EHV-1 Quarantine at Pennsylvania Stable

July 29, 2009

Horses at Rolling Hills Ranch stable in Bridgeville, Allegheny County, Pa., have been quarantined after at least three horses tested positive for the neurologic form of equine herpesvirus-1, or EHV-1, Agriculture Secretary Dennis Wolff said... Read More

Article

Neurologic EHV-1 Reported in Pennsylvania

July 24, 2009

Four horses stabled in Allegheny County, Pa., have been euthanized after developing neurologic signs consistent with equine herpesvirus-1 (EHV-1), according to a statement circulated by the Animal Health Emergency Management and Information... Read More

Article

Equine Herpesvirus Myeloencephalopathy Resources Available

July 06, 2009

A 74-page report on equine herpesvirus myeloencephalopathy (EHM), for which equine herpesvirus-1 (EHV-1) has been identified as a causative agent, was released by the USDA Animal and Plant Health Inspection Services, Centers for Epidemiology and... Read More

Article

Readers Share Top Two Vaccination Choices

June 12, 2009

Approximately 1,270 readers of TheHorse.com responded to a poll asking, "Which two vaccinations do you feel are most important?"

Read More

Article

ACVIM Releases EHV-1 Consensus Statement

June 03, 2009

The American College of Veterinary Internal Medicine has released its consensus statement on equine herpesvirus-1 (EHV-1). According to the... Read More

Article

New Cloning Technology Might Mean Improved EHV Vaccines

May 19, 2009

Japanese researchers recently reported the use of the technology "Bacterial Artificial Chromosome (BAC) cloning," which enabled the scientists to clone the entire genome of a virus in bacteria.

The technique could be used to mas... Read More

Article

Vets Discuss Infectious Neurologic Diseases, AAEP 2008

May 10, 2009

What are the most important neurologic problems veterinarians face throughout the year? That's the question Debra Sellon, DVM, PhD, Dipl. ACVIM, associate dean of the Graduate School at Washington State University and professor of equine... Read More

Article

Researchers Work to Better Diagnose, Treat Neurologic Herpesvirus

May 05, 2009

In their efforts to understand how equine herpesvirus-1 myeloencephalopathy (EHM) works, researchers are discovering better ways to diagnose, treat, and prevent the spread of the disease. In a review paper published in The Veterinary... Read More

Article

Consider Temporal Nerve Problem in Neurologic Horse Diagnosis

April 28, 2009

When presented with a horse demonstrating facial nerve paralysis and/or a head tilt, neurologists say veterinarians should consider temporohyoid osteoarthropathy, a disorder of the hyoid apparatus (voice box) and associated structures. Although... Read More