Horse Health

Health news, veterinary advice, and educational tools to keep your horse healthy.

  • Vaccination Schedule Guidelines

    Spring means vaccination time. In 2008, the American Association of Equine Practitioners (AAEP) Infectious Disease Committee released a revised online version of their "Guidelines for the Vaccination of Horses."

  • Diagnosing Upper Cannon Area Injuries

    Pain originating in the upper cannon bone area, just below the knee or hock, is common in all types of equine athletes. However, it can be difficult to determine exactly what structure is injured; some injuries can only be seen with high-field MRI. At the 2007 American Association of Equine Practitioners Convention, held Dec. 1-5 in Orlando, Fla., Matthew...

  • How Important Is That Airway Exam Grade?

    <P>The airways of many breeds of horses, particularly Thoroughbreds, are evaluated via an endoscope and graded before sale. The intent is to identify horses whose airways might have problems that could limit the horses' performance at maximal exercise, so buyers can consider this in their purchasing decisions. At the 2007 American Association of Equine Pr...

  • Heart Murmurs: No Impact on Racing Performance in New Study

    <P>According to a group of researchers from the United Kingdom, heart murmurs are common in athletic horses, but do not negatively impact racing performance. <P>"A high prevalence of heart murmurs is known to exist in horses," explained Lesley Young, BVSc, PhD, DVA, Dipl. ECEIM (European College of Equine Internal Medicine), DVC, MRCVS, an equine cardio...

  • Tent Caterpillars Hatch in Central KY

    Experts have reported that Eastern tent caterpillars are developing normally this spring and have just completed the egg hatch stage. Controlling the caterpillars is vital to area horse farms, as University of Kentucky research has strongly linked them with outbreaks of mare reproductive loss syndrome, which can cause late-term foal losses, early-term fetal losses, and weak foals.

  • Factors that Cause Ulcers in Racehorses

    Up to 86% of Australian Thoroughbred racehorses have been reported to have gastric ulcers. Many factors can contribute to ulcers, and researchers at Murdoch University set out to determine which ones were the most significant for this population.

  • Risk Factors for Gastric Ulcers in Thoroughbreds

    <P>Up to 86% of Australian Thoroughbred racehorses have been reported to have gastric ulcers. Many factors can contribute to ulcers, and researchers at Murdoch University set out to determine which ones were the most significant for this population. Guy Lester, BVMS, PhD, associate professor of large animal medicine at Murdoch University, presented the st...

  • Storm Cat Experiencing Drop in Fertility

    <P>Storm Cat, for years the No. 1 Thoroughbred stallion, has been experiencing difficulties impregnating his mares this breeding season at the Young's family's Overbrook Farm near Lexington. Fewer than half of the 31 mares that the 25-year-old stallion has covered are in foal. <P>"We've been dealing with his fertility, but as long as he's comfortable co...

  • A Clearer Picture (Imaging Technologies)

    <DIV class=deck>Advancements in imaging technologies make diagnoses easier.</DIV> <P>For decades veterinarians have relied upon a number of different imaging tools, from radiographs to ultrasonography, to diagnose lameness, pregnancy, and soft-tissue-related conditions. In recent years a host of advanced imaging modalities such as digital radiography, CT...

  • Shoulder Blade Stress Fractures in Thoroughbred Racehorses

    Although it's not a common injury, fracture of the scapula or shoulder blade does occur in horses and causes notable lameness. At the 2007 American Association of Equine Practitioners Convention, held Dec. 1-5 in Orlando, Fla., Stuart Vallance, BVSc (Hons), of Shotter &amp; Byers Equine Veterinary Services in Surrey, United Kingdom, presented a retrospect...

  • Ky. Talks Timing of Steroid Rules

    The Racing Medication and Testing Consortium has funded a research project to study threshold levels and withdrawal times of four approved anabolic steroids. But the timing of the study, which should be completed by August, could make it difficult for the Kentucky Horse Racing Authority to implement steroid regulations in the state by Jan. 1, 2009.

  • Timing of Steroid Study Could Impact Regulations

    The Racing Medication and Testing Consortium (RMTC) has funded a research project to study threshold levels and withdrawal times of four approved anabolic steroids. But the timing of the study, which should be completed by August, could make it difficult for the Kentucky Horse Racing Authority to implement steroid regulations in the state by Jan. 1, 2009....

  • Commission May Appeal Drug Ruling

    After the Louisiana Senate Commerce Committee struck down the Louisiana State Racing Commission's adoption of the Racing Medication and Testing Consortium model rules for medication Feb. 11, the commission is yet to decide its next move.

  • Racehorse Identification More than Flipping Lips

    <P><EM>A weekly feature found only on </EM><A href="http://www.bloodhorsenow.com/" target=_blank><EM>BloodHorseNOW.com</EM></A><EM>, The "Inside Track" is dedicated to the people in Thoroughbred racing that may not always make the headlines, but nevertheless are vitally important to the sport.</EM> <P>It has been nearly 20 years since one of the most no...

  • The Welfare and Safety of the Racehorse Summit will be held at the Keeneland Sales Pavilion.

    Summit Will Examine Progress

    The second Welfare and Safety of the Racehorse Summit, set for March 17-18 at the Keeneland Sales Pavilion, will feature wide-ranging discussions of critical equine health- and safety-related issues, including progress reports from the working committees established coming out of the original summit in October 2006.

  • Bowie Samples Negative for EHV-1

    Blood samples on the Bowie-based horse that was sent to isolation by the Maryland Department of Agriculture Jan. 22 were negative for equine herpesvirus (EHV-1).

  • Caslick's Operation: Problem Barrier

    Infertility is a major problem in some broodmares. A large incidence of infertility is seen in valuable, intensively bred mares such as racehorses and performance mares, and significant amounts of money and time are devoted to dealing with the problem. <P>There are many causes of infertility, but endometritis (inflammation of the endometrial lining of t...

  • Botulism: A Perfect Killer

    <CENTER> <HR> <STRONG><EM>Horses are highly susceptible to botulism toxins; vaccination and feed/water management are key to prevention.</EM></STRONG> <HR> </CENTER> <P>Botulism is an often-lethal disease caused by a bacterial toxin. Although the disease can affect nearly all warmblooded animals, it is particularly deadly in horses, because they are...

  • Study of EIPH Drug Seeks to Answer Effectiveness, Enhancement Concerns

    <P>A study led by Colorado State University and research partners will help to answer a long-debated question about health and performance effects of a drug commonly used to treat racehorses in the U.S. to prevent bleeding into their airways as they run (also known as <A href="http://www.thehorse.com/TopicSearch/Default.aspx?n=Exercise-Induced+Pulmonary+H...

  • Thoroughbred Group Offers Tips on Managing, Retraining the Ex-Racehorse

    <P>The proliferation of racehorse rescues and retirement programs means that thousands of retired Thoroughbred racehorses have been placed into new homes. Ensuring success in what comes next--the transition and retraining of Thoroughbreds by their new owners--is one of the primary missions of Wood End Farms, a nonprofit facility located north of Chicago t...

  • Warwick Outbreak Forces Rosehill to Cancel Meet

    New South Wales racing was to return Sept. 22 to Sydney's Rosehill Gardens, with 12 races planned and more than 210 horses engaged. The morning of the meeting, that all changed. Horses at Warwick Farm, a track that had previously been clean of equine influenza, came down with the virus. Rosehill officials were forced to scrap the meeting, as many horses set to compete had been trained at Warwick.

  • Elusive Quality Will Breed in Australia

    Darley has decided to send one of the world's truly great stallions, Elusive Quality, to the New South Wales Hunter Valley's purple zone. The farm decided Sept. 21 which stallions to send home and which will remain in Australia to cover mares for the remainder of the crippled NSW breeding season.

  • Aussie Champion Stricken With Equine Influenza

    Just when the newly created "purple zone" in Australia's New South Wales was to reinvigorate the beleaguered breeding season, the country's star stallion -- Redoute's Choice -- has been stricken with equine influenza.

  • Darley Stallions May Leave Australia

    It looks almost certain Darley will follow the lead taken by Coolmore last weekend and start sending stallions back to Europe. Darley confirmed Sept. 19 it is being discussed.

  • Another Australian Shuttler Positive for EI

    Yet another massive setback to the breeding program in Australia' New South Wales occurred over the weekend, with another of the shuttlers locked up in quarantine testing positive for equine influenza.

  • New Surgery for Roarers Restores Talented Racehorse

    <P>A new way to correct a respiratory condition commonly called "roaring" has returned a Thoroughbred mare to the track, earning her owners more than $300,000 since her recovery in 2006. <P>Raging Rapids, a strapping 5-year-old mare, won a race for Victory Thoroughbreds LLC,&nbsp;a group that&nbsp;claimed her for $10,000 last year. But even in the winne...

  • FMD Outbreak Closes Some U.K. Bridleways

    Footpaths and bridleways near a cattle farm that had an outbreak of Foot and Mouth Disease will be closed, the British Horse Society announced Aug. 8.

  • FMD Outbreak Restricts European Horse Travel

    British officials confirmed another outbreak of Foot and Mouth Disease on a cattle farm in England. Horses can no longer travel freely among Britain, France, and Ireland.

  • New York Racing Rule Targets

    <P>New York racing regulators July 31 adopted a series of new rules, including more restrictive prohibitions on betting by racetrack mutuel tellers and final action on a provision to combat "<A href="http://www.thehorse.com/ViewArticle.aspx?ID=6707">milkshaking</A>" of horses. <P>"The board instituted a number of rules today that were designed (to) ensu...

  • Split Samples Mistakenly Tossed in Kentucky

    The state veterinarian for the Kentucky Horse Racing Authority mistakenly tossed out two split samples from two horses that had tested over the approved limit for the approved bleeder medication Salix. Because of the mistake, the investigation into the overages has been dropped.

  • Reinforcing Reinforcement Breeding

    It's common practice at some breeding farms--collecting the drippings from a stallion's penis after he breeds and dismounts a mare, evaluating the sample to confirm that ejaculation did occur, then placing the sample in the mare. Reinforcement breeding, as the last step of that procedure is called, was found to increase pregnancy rates by up to 11.7% in a...

  • Drug Withdrawal Times Posted on Racing Medication Group Web Site

    <P>The Racing Medication and Testing Consortium has completed a section of its Web site (<A href="http://www.rmtcnet.com/" target=_blank>www.rmtcnet.com</A>) that enables licensed horsemen to look up guidelines for withdrawal times for approximately 75 therapeutic medications identified by the RMTC veterinary advisory committee. <P> <P>The guidelines a...

  • Time To Get Even wins the Lazaro Barrera Memorial Stakes.&lt;br&gt;&lt;a target=&quot;blank&quot; href=&quot;http://www.bloodhorse.com/horse-racing/photo-store?ref=http%3A%2F%2Fpictopia.com%2Fperl%2Fgal%3Fprovider_id%3D368%26ptp_photo_id%3D1268811%26ref%3Dstory&quot;&gt;Order This Photo&lt;/a&gt;

    Morris Funding

    Nine new equine health studies have received grants totaling $248,730 from the Morris Animal Foundation.

  • The Quest to Conquer Laminitis

    "Owners and trainers worldwide have the feeling that every veterinarian and every farrier have years of experience and vast knowledge about laminitis and podiatry (foot care). Unfortunately, this is not the case," said Ric Redden, DVM, founder of the International Equine Podiatry Center in Versailles, Ky., and host of the Bluegrass Laminitis Symposium, he...

  • Cryptorchidism in Horses

    Cryptorchidism is a congenital condition (i.e., the individual is born with it) in which one (unilateral) or both (bilateral) of the testes fail to descend into the scrotum. A number of common terms have been used to describe cryptorchids, including &quot;rig,&quot; &quot;false rig,&quot; and &quot;ridgling.&quot; Embryologically, the testes develop high ...

  • Drug Testing: California Thoroughbred Owners Could Face Fines

    Owners whose horses have repeated medication violations would be subject to tough new penalties under changes given initial approval by the California Horse Racing Board April 19. <P>Over the objections of the Thoroughbred Owners of California, the board unanimously approved monetary fines for owners as an added incentive to monitor their stables and tr...

  • Kentucky Equine Humane Center Officially Opens

    Kentucky Equine Humane Center, which officially opened its doors April 16, offers shelter and care for unwanted horses of all breeds. Located near Lexington, the organization is headed by president Staci Hancock and executive director Lori Neagle.

  • UK Entomologists Issue Caution on Eastern Tent Caterpillars

    The time is right for horse farms to implement control strategies. University of Kentucky experts report that eastern tent caterpillars and forest tent caterpillars are developing normally this spring with egg hatching complete and populations feeding, making this an optimal time for horse farms to assess caterpillar activity and implement control strategies while the larvae are still small and most susceptible.

  • EHV-1 Case Leads to Maryland, Virginia Restrictions; NYRA Imposes Ban

    A confirmed case of neurologic equine herpesvirus-1 (EHV-1) at an equine hospital in Leesburg, Va., has resulted in numerous hold orders at farms in Maryland and Virginia as horses released from the hospital after being exposed to the sick horse are tracked back to their home farms.