Recent News for Respiratory Problems


Health Problems of Young Horses in Training

August 01, 2007

Young horses in training are vulnerable to a wide variety of problems--everything from respiratory disease to training injuries. These horses are often taken off the farm where they grew up, transported to training facilities where they... Read More


New Respiratory Ailment Identified; Progressive Disease Might Have Link to EHV-5

July 26, 2007

Researchers have recently identified a new equine respiratory ailment that presents clinical signs similar to heaves, but that is progressive and has a poor prognosis for affected horses. The researchers have postulated that the disease, dubbed... Read More


A Look Inside: Veterinary Internists Meet in Seattle

July 23, 2007

Veterinary internists met June 6-9 in Seattle, Wash., for the 25th Forum of the American College of Veterinary Internal Medicine (ACVIM) to discuss the latest research on the internal workings of horses and other animals.

Summarized below are... Read More


Muscle Disease: Immune-Mediated Myopathies

July 20, 2007

Valberg discussed muscle disease created by immune-mediated situations, describing three possible different manifestations. One type of muscle damage develops subsequent to an outbreak of Streptococcus equi (strangles).

If a horse... Read More


Influenza Canarypox Vaccine Reduces Clinical Signs and Shedding

July 20, 2007

Researchers found that clinical signs of influenza and virus shedding were significantly reduced in horses vaccinated with a recombinant canarypox-vectored influenza vaccine and experimentally exposed to influenza compared to unvaccinated horses... Read More


Respiratory Viruses Detected at Shows, Sales

July 18, 2007

In a survey of horses arriving at several different show and sale facilities, researchers found that as many as 4% of the population were shedding equine herpesvirus-1 (EHV-1) from nasal passages, and as many as 2% were shedding equine... Read More


Are Mares a Source of R. Equi For Their Foals?

July 17, 2007

A study of one Lexington, Ky., Thoroughbred farm showed that on average, 30% of the farm's foals developed Rhodococcus equi pneumonia during the 2004 and 2005 foaling seasons. Researchers searching for a source of the disease questioned i... Read More


Biologic and Therapeutic Options Discussed

July 11, 2007

The Biologic and Therapeutic Agents Forum at the 2006 AAEP Convention was facilitated by Craig Barnett, DVM, Intervet Senior Equine Technical Services Specialist, and co-facilitator Carol Clark, DVM, Dipl. ACVIM, of Peterson & Smith... Read More


Flu: Interspecies Transmission

July 08, 2007

In 2004 researchers identified a highly contagious canine influenza virus strain (H3N8) that was closely related to an equine flu strain. Essentially that meant the virus had jumped from horses to dogs, and the scientists said it was "a very rar... Read More


Gallium to Control R. equi Foal Pneumonia

July 03, 2007

In order to survive, R. equi requires iron from the foal's body to replicate and survive. Researchers at Texas A&M University's College of Veterinary Medicine recently examined the use of a semi-metal (gallium) that mimics iron as a... Read More


Drug Test Results Questioned in Kentucky

June 28, 2007

The results of post-race blood tests in five horses that raced at Keeneland or Churchill Downs have raised some red flags in Kentucky.

Trainers Bobby Frankel, Bob Holthus, Mike Maker, Bob Pincins, and Mike Tomlinson were notified by the Read More


R. equi Foal Pneumonia: Support for Research Sought

May 29, 2007

Infectious respiratory diseases constitute one of the major causes of death in the horse industry. In addition to the sorrow caused, they also are major economic threats. One of the most common diseases in foals six months and younger is... Read More


Awakening the Dormant Dragon: The Neurological Form of EHV-1

May 27, 2007

Recently, a number of racetracks, private veterinary clinics, and university teaching hospitals outside of California were shut down to limit the spread of the neurological form of equine herpesvirus-1 (EHV-1) infection.

California had at... Read More


Herpesvirus at Balmoral Harness Track Leads to Increased Precautions

May 03, 2007

After 20 horses at Balmoral Race Park, Crete, Ill., tested positive for neurologic equine herpesvirus-1 (EHV-1) last week, track officials have instituted numerous precautions to minimize the commingling of horses and opportunity for transmissio... Read More


Update on an EHV-1 Survivor

April 17, 2007

Radar, a 22-year-old Quarter Horse at a private stable in Glenelg, Md., looks good for his age. He looks even better when you consider that two years ago he was given a 50/50 chance of survival when stricken with the neurologic form of equine... Read More


Demystifying Neurologic Herpes

April 16, 2007

Our attention has recently been captured by reports of numerous outbreaks of equine herpesvirus-1 (EHV-1) neurologic disease at racetracks, show venues, clinics, and boarding stables across the country. Questions about the neuropathogenic... Read More


EHV: Tests Ongoing for Cause of Hong Kong Fevers

April 14, 2007

The cause of mild fevers in 132 horses at Hong Kong's Sha Tin Racecourse is still under investigation, according to Brian Stewart, BVSc (hons), MBA, head of Veterinary Regulation and international liaison for the Hong Kong Jockey Club. The... Read More


Kentucky Horse Park Recommending EHV Vaccination

April 12, 2007

The Kentucky Horse Park announced several changes which will affect those who wish to compete at the park.... Read More


Equine Herpesvirus Infects 132 Horses in Hong Kong; No Neuro Signs Reported

April 10, 2007

According to reports, 132 horses at Hong Kong's Sha Tin Racecourse have contracted equine herpesvirus (EHV). Track officials have not reported any neurologic signs.

The infected horses have shown mild fevers and unspecified... Read More


Equine Herpesvirus Confirmed in Maine

March 31, 2007

On March 28, 2007, a horse housed in a private stable in Rome, Me., was diagnosed with the neurologic form of equine herpesvirus-1 (EHV-1). The 3-year-old gelding had been euthanatized on March 19, 2007, after exhibiting severe neurologic signs... Read More


Equine Herpesvirus Reported in Florida Horses

March 30, 2007

Two horses in a suburb of Tampa, Fla., were euthanatized last weekend after showing deteriorating clinical signs of the neurological form of equine herpesvirus-1 (EHV-1). Both horses tested positive for the virus on numerous samples submitted fo... Read More


EHV: Leesburg Equine Medical Center to Reopen Friday

March 29, 2007

Officials at Virginia Tech's Marion duPont Scott Equine Medical Center announced today (March 29) that the facility will reopen to outpatients on Friday, March 30, following the Virginia Department of Agriculture and Consumer Services' issuance... Read More


Herpesvirus Tests: All Clear at duPont Center in Virginia

March 29, 2007

Nathaniel White, DVM, MS, Dipl. ACVS, Jean Ellen Shehan Professor and Director of the Marion duPont Scott Equine Medical Center in Leesburg, Va., stated late this afternoon (March 29), "I am pleased to announce that yesterday, I received the... Read More


Equine Herpesvirus: Vets Investigating Source of California Cases

March 28, 2007

Veterinarians are continuing to investigate the source of the recent outbreak of equine herpesvirus-1 (EHV-1) in San Mateo County, Calif. While some reports have claimed a link between these cases and a case from December, a veterinarian... Read More


Strangles: Dispelling the Myths

March 27, 2007

The infection caused by the bacteria Streptococcus equi,, commonly known as strangles, has been described in horses for almost 800 years. The name strangles describes the condition in which an affected horse is suffocated as lymph nodes i... Read More