Placentitis, an inflammation of the placenta caused by bacteria such as Streptococcus equi subspecies zooepidemicus, is one of the leading causes of foal death. It's challenging to treat, and researchers are still trying to identify effective therapies, particularly antibiotics. Currently, many practitioners administer the antibiotic ceftiofur crystal...
Some equine diseases come and go with little impact on the horse industry as a whole. Others affect only local or state industries when they rear their ugly heads. But when a disease has the potential to shutter the global horse breeding industry, controlling it becomes crucial. One of those diseases is equine viral arteritis (EVA). Fortunately, veterinar...
An infectious equine disease is bad news no matter what language you speak or which country you call home. But between countries, regulatory bodies, and animal health professionals, there often remains a difference in perspective when it comes to handling these diseases.
Foals have seemingly endless energy, darting around their fields, playing with their pasturemates, and recharging with a quick nap and a drink from Mom. But, occasionally, a foal develops a health problem that zaps that energy and leaves him in a collapsed heap, looking sickly and vulnerable. What should you do if this happens to your foal?
From equine herpesvirus and influenza to strangles and coronavirus, infectious diseases can cause quite a stir in the horse industry—quarantines, canceled competitions, and, in some cases, even horse deaths or the threat of human infection. And something all horse owners and veterinarians should know is how to respond in the face of an infectious di...
All operations at Suffolk Downs have returned to normal after tests came back negative on five horses who developed elevated temperatures after one horse stabled on the backside died from a case of equine herpes myelitis earlier this month.
Infectious disease researchers in Canada have launched an interactive online map designed to track diseases in dogs, cats, and horses around the world. The "Worms and Germs Map" can be accessed for free online.
A foal's birth marks the start of something exciting: a new partner to train, a clean slate with which to begin, and potential just waiting to be tapped. But something exciting can quickly turn to something disappointing if that foal isn't healthy.
Blasts of polar air across Kentucky made this winter one to remember for many, but experts say the Eastern tent caterpillars probably didn’t take notice.
Equine placentitis is subtle in its onset, often causing the death of its victim—the unborn foal—before veterinarians can detect and treat it. Equipping veterinarians to identify these cases of placental infection early could help them prevent abortions, lost time on the breeding calendar, and the general heartbreak that can come with losing a...
Two barns at Parx Racing, in Bensalem, Pa., have been quarantined after a horse residing in one of the barns tested positive for equine herpesvirus-1 (EHV-1).
The horse quarantined with a suspect case of equine herpesvirus-1 (EHV-1) at the Fair Hill Training Center, in Elkton, Md., will be retested next week, according to a statement from Kathleen Anderson, DVM, owner and manager of the Elkton-based Equine Veterinary Care, PC.
A horse at the Fair Hill Training Center (FHTC) in Elkton, Md., is in quarantine with a suspected case of equine herpesvirus-1 (EHV-1).
While your veterinarian is stitching wounds, delivering foals, and monitoring colics, researchers from around the world are publishing research that often advances the collective of horse health care. So to bring busy practitioners up to speed on the top studies in a variety of fields, a panel of veterinarians presents a news-type program each year at the...
In the equine industry three simple letters, when said in order, can silent a room of horsemen, turn a showground into a ghost town, and send shockwaves through barns. They're E, H, and V, and they stand for equine herpesvirus-1, a contagious equine virus that can cause serious neurologic problems in affected horses. Fortunately for owners, veterinari...
Equine herpesvirus myeloencephalopathy (EHM) put dozens of show horses at risk for infection after they were exposed to a sick horse at a single competitive event in Utah in 2011. Unaware of the exposures, owners of these horses dispersed the show animals to 19 states and several Canadian provinces, unleashing the potential to infect others in epidemic pr...
Since it was first identified in 2007, deadly equine multinodular pulmonary fibrosis (EMPF) has been reported in numerous horses across North America and Europe. While still considered a rare disease, EMPF appears to be related to a very common one—equine herpesvirus (EHV)—and early treatment appears to be the main hope for survival.
Researchers have confirmed the importance of including exposed mares when conducting surveillance for contagious equine metritis (CEM) in the recent South African outbreak, along with specific stallion sampling and screening methods in that country for the venereal disease.
What's the most common cause of late-term abortion in horses and remains challenging for veterinarians to diagnose and treat, despite ongoing research? If you said placentitis, you're right. To bring attendees of the 2013 Society for Theriogenology Conference, held Aug. 7-10 in Louisville, Ky., up to speed on the latest research on the complex top...
Somewhere between when the birthing process begins and when the long-legged foal takes his first wobbly steps, he transitions from an unconscious fetus to a conscious horse. And while owners might just be happy to see their new arrival waking up to the world, researchers now believe that the fetal consciousness transition could have a significant impact o...
The Ontario Racing Commission (ORC) has lifted restrictions placed on horses residing in Barn 3 at Woodbine Racetrack, and horses not stabled in Barn 1 are now permitted to leave the property, said ORC Manager of Veterinary Services Adam Chambers, BVMS.
The Ontario Racing Commission (ORC) announced June 12 that there have been five confirmed reports of the neurologic equine herpesvirus-1 (EHV-1) in Thoroughbreds residing in Barn 1 at Woodbine Racetrack in Toronto, Ontario, Canada.
In today’s world of increasing national and international equine events and breeding opportunities, one of the big issues practitioners and governing bodies face is maintaining a balance between facilitating horse movement and mitigating disease risk. At the 2012 International Conference on Equine Infectious Disease, held Oct. 22-26 in Lexington, Ky...
Approximately 20,000 mares are bred in Kentucky each year, which means that it is literally “raining foals” in the spring, as long as things go as planned. Unfortunately, late-term abortions and even abortion storms can occur, resulting in massive economic and emotional mayhem.
When a horse contracts a disease, the owner or caretaker usually focuses solely on getting the horse healthy again and protecting others on the farm from illness. But in reality, certain ailments could have community-, region-, and even industry-wide effects. For instance, an equine viral arteritis or contagious equine metritis outbreak could shutter the ...
The American Horse Council and the American Association of Equine Practitioners issued an open letter to the horse industry March 28 regarding equine disease outbreaks in the United States. In their communication, the organizations outline current horse health issues facing the industry and seek equine community participation in developing a National Equi...
New research from the University of Kentucky (UK) suggests that genetic factors play a role in determining stallion susceptibility to equine arteritis virus (EAV) infection.
A horse owner's day can go from great to horrific in a matter of seconds if he or she arrives at the barn to find their charge either staggering around the field or completely unable to rise. A prompt call to the veterinarian is warranted in these scenarios, but what should an owner expect when the veterinarian arrives?
Experts report that the Eastern tent caterpillar egg hatch for Central Kentucky will likely begin mid-March.
The USDA Animal and Plant Health Inspection Service (APHIS) is making final its interim rule regarding the importation of horses from countries affected with contagious equine metritis (CEM).
We often talk about the horse world in the national context, but at the global level the World Organization for Animal Health (OIE) assists to protect our horses and the horse industry from infectious disease and to put regulations in place for safe trade and transport between countries.
According to a memorandum from the Kentucky Department of Agriculture (KDA), due to the ongoing outbreak of equine herpesvirus-1 (EHV-1) at the Chicago, Ill.-area Hawthorne Race Course, restrictions have been placed on equine movement from Illinois to Kentucky.
A Standardbred racehorse residing in Genesee County, Mich., has tested positive for neurologic equine herpesvirus-1 (EHV-1), state veterinarian Steve Halstead, DVM, confirmed Jan 2.
Mare infertility is a frustrating problem with a variety of causes. Fortunately, many of them are treatable. One manageable condition is fungal endometritis (inflammation of the inner uterus lining, or endometrium).
A team of researchers from the University of California, Davis (UC Davis), recently tested if idiopathic headshaking in horses could be similar to a condition in humans--trigeminal nerve pain caused by the reactivation of a latent virus.
In recent years it seems owners and practitioners are increasingly confronted--both directly and indirectly--with cases of equid herpesvirus-1 myeloencephalopathy (EHM).
Editor's Note: This article is part of TheHorse.com's ongoing coverage of the 14th Hagyard Bluegrass Equine Symposium, held Nov. 1-4 in Lexington, Ky.
British racehorse trainer Victor Dartnall is currently dealing with an outbreak of neurologic equine herpesvirus-1 (EHV-1) at his yard in North Devon, England.
Two horses are in stable condition while being treated for neurologic equine herpesvirus-1 (EHV-1) at the University of Minnesota (UM) Large Animal Hospital, according to the treating clinician. Both animals--who reside at the same Wright County, Minn., farm--have tested positive for the virus since being admitted to the clinic this week. A third horse (t...
The neurologic form of equine herpesvirus-1 (EHV-1, also called myeloencephalopathy) is highly contagious and multiplies within its host very rapidly, making early detection and prompt treatment paramount goals in disease control. During a presentation at the 2011 Western Veterinary Conference, held Feb. 20-24 in Las Vegas, Nev., Steve Reed, DVM, Dipl. AC...
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