Not only can exercise safely be imposed in any age horse, but it also might be protective to joints, reported a Colorado State University research team led by Chris Kawcak, DVM, PhD, Dipl. ACVS, an associate professor and equine surgeon.
For the first time, researchers have demonstrated that the corticosteroid prednisolone improves the lung function of horses with recurrent airway obstruction, even in the presence of continuous exposure to antigens. The same study also revealed that a low dose of a similar drug, dexamethasone, reversed airway obstruction despite continues antigen exposure.
A team of veterinary researchers in the United Kingdom recently reviewed the use and results of homeopathy for equine ailments including arthritis, headshaking, laminitis, and more.
Equine forensic scientists from Pennsylvania have developed a novel assay for equine blood and urine samples to identify racehorses and ensure that the samples destined for drug testing were handled appropriately.
Researchers from Denmark and Norway report that morphine within a joint appears to be a useful part of a multimodal pain management protocol for horses that have undergone arthroscopic surgery.
Abnormalities in the throats of yearling racehorses will negatively impact the horses' athletic potential, making careful evaluation of these structures an important part of the prepurchase examination.
Lawsonia intracellularis is being forced out of hiding and its secrets extracted largely because of the intense research efforts of scientists like Nicola Pusterla, DVM, PhD, Dipl. ACVIM, and his colleagues at the University of California, Davis, and the University of Minnesota, St. Paul.
The old gray mare's immune system ain't what it used to be.
Non-steroidal anti-inflammatory drugs could assist vets managing persistent mating-induced endometritis (PMIE), a chronic inflammation of the lining of the uterine wall after breeding or artificial insemination, which is a leading cause of reduced fertility in horses.
Contrary to common belief, older horses do not carry higher worm burdens than their younger counterparts, said Oklahoma State University veterinarians.
Horses recover from general anesthesia following removal of an eye (enucleation) equally well as horses recovering from other types of surgeries, reported veterinarians and surgeons from the University of Pennsylvania's New Bolton Center during a presentation at the 2009 American Association of Equine Practitioners (AAEP) Convention, held Dec. 6-9 in ...
Cesarean sections, or C-sections, are performed on approximately 15%-25% of pregnant mares admitted to equine hospitals for dystocia (difficult or abnormal labor or delivery). C-sections are also performed as elective procedures or in cases where underlying medical or surgical conditions exist.
Horses that recover from Lawsonia intracellularis infections cost less as yearlings than their siblings, but they race just as well, reported Michele L. Frazer, DVM, Dipl. ACVIM, of Hagyard Equine Medical Institute in Lexington, Ky. Frazer presented a study on the subject during the 2009 American Association for Equine Practitioners (AAEP) Convention, hel...
Complications associated with equine castrations occur commonly and should be indentified and treated properly in the field, relayed Liberty M. Getman, DVM, Dipl. ACVS, from the University of Pennsylvania's New Bolton Center. She presented "Review of castration complications: Strategies for treatment in the field" at the American Association...
Studies at both the molecular and cellular level are needed to better determine how tendon injuries occur, said a group of researchers in the United Kingdom. Only then can appropriate treatment and preventive measures be developed.
Surgery to correct "roaring" in National Hunt Thoroughbred racehorses can restore racing performance to levels similar to a matched group of peers in the short term, but career longevity appears to be negatively impacted following these procedures, report a team of UK researchers led by Safia Barakzai, BVSc, MSc, DESTS, Dipl ECVS, from the Royal...
Equine veterinarians can now objectively monitor tendon healing using a technique called ultrasonographic tissue characterization (UTC), said researchers from The Netherlands.
A simple, noninvasive urine test to diagnose cryptorchidism in horses that appear to have been castrated has been developed by a group of researchers from the Racing Laboratory at the Hong Kong Jockey Club.
While many veterinarians have long suspected that infected joints from which bacteria can be cultured result in a poorer outcome than joints from which no bacteria could be cultured, this hypothesis was recently substantiated by a group of United Kingdom researchers led by Tim Mair, BVSc, MRCVS, DEIM, DESTS, Dipl. ECEIM, of the Bell Equine Veterinary Clinic.
A variety of environmental factors might be related to West Nile virus infections in horses, reported a Florida research team lead by Leslie M.V. Rios, PhD, from the Department of Entomology and Nematology at the University of Florida in Gainesville.
After identifying a lack of reliability and repeatability in experienced veterinarians' evaluation of lameness, a group of vets have challenged the industry to search for and develop "a more objective and reliable method of lameness evaluation for us in the field," and noted that such efforts "should be encouraged and supported."
Peruvian Paso, Arabian, American Saddlebred, and American Quarter Horse owners have been patiently waiting for an update on the diagnosis and treatment of equine systemic proteoglycan accumulation (ESPA). While no new data has been published recently, researchers have been working diligently to make progress in this field.
As if equine Cushing's, metabolic syndrome, laminitis, and insulin resistance weren't enough to worry about in our aging horses, we can now add "immunosenescence" and "inflammaging" to the list.
The diet you offer your gestating mare, particularly in the last trimester, can influence development of the placenta as well as the level of immunoglobulins (IgGs) in the colostrum, reports a research team from North Dakota and Texas.
Electroacupuncture--the electrical stimulation of acupuncture points--can be an effective method of controlling laryngeal hemiplegia (roaring), reported researchers performing the technique on horses presented to the Veterinary Medical Center of the University of Florida.
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.
That "Ole gray mare" in the pasture was likely highly selected for during the domestication of horses and, according to some researchers, resembles her forefathers little in terms of coat coloring.
Equine piroplasmosis can be difficult to diagnose due to the variable and non-specific clinical signs exhibited by infected horses. Further complicating testing, false positive and false negative results can occur on common tests.
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.
An oral hyaluronan product did not produce any improvement in clinical or biochemical parameters in horses diagnosed with osteochondrosis in a new study, researchers from the Universidad Autonoma de Barcelona in Spain, recently reported. The study authors concluded that the evaluated product likely resulted in no detectable effect due to the small nu...
Geriatric horses have lower survival rates than younger horses following exploratory colic surgery, but there's no significant difference in long term survival rates between age groups, report Florida equine veterinarians in a new study. Most horses discharged post-surgically were still alive one year later, regardless of their age.
Environmental conditions during collection and storage of equine fecal samples impact the resulting fecal egg counts (FECs), report parasitologists from both Denmark and the United States.
Failure to conceive and early embryonic death both negatively impact the equine breeding industry; however, late-term abortions also occur and should not be ignored, said Michelle M. LeBlanc, DMV, Dipl. ACT, from Rood & Riddle Equine Hospital in Lexington, Ky., during the 11th Congress of the World Equine Veterinary Association, which was held Sept. 2...
Tendons can be an important source of lameness in athletic horses, but issues with the tendon's sheath--the thin connective tissue wrapped around the tendons, containing synovial fluid--shouldn't be overlooked as another potential cause of lameness.
Bacteria such as Salmonella or Clostridium can wreak havoc on a horse's gastrointestinal tract, causing massive losses of water, electrolytes, and proteins. The result? Diarrhea. A smelly, watery, life-threatening mess.
Horses are cows, said veterinary researcher N. Edward Robinson, BVetMed, PhD, MRCVS, Matilda R. Wilson Chair in Large Animal Clinical Sciences at Michigan State University.
Well, what Robinson actually said was that the "racehorse and modern dairy cow have several things in common." Both have been genetically selected for performance via a small n...
What do you get when you "scope" 1,005 horses after 230 races, each within 24 minutes of the race, with the cooperation of 97 trainers over 28 race meets? A great deal of valuable data about the equine throat and the impact disorders of the throat can have on racing.
Weight gain and obesity in horses should be avoided to prevent insulin resistance, increased insulin and leptin blood levels, and laminitis, and to maintain a healthy metabolic state.
Equine recurrent uveitis (ERU) is the most common cause of blindness in horses and is believed to affect approximately 10% of the equine population. The exact cause of ERU remains unclear, although researchers have shown that recurrent bouts of inflammation involving activated T-cells (cells largely responsible for cell-mediated immunity) lead to ...
Curcumin, an extract of the spice turmeric, is a natural product with potent anti-inflammatory properties that also exerts beneficial effects on cartilage metabolism. Scientists believe curcumin inhibits degradative enzymes such as metalloproteinases and cyclooxygenase-2 (COX-2) and reduces cartilage cell apoptosis (programmed cell death).
Horses with persistent dorsal displacement of the soft palate (DDSP), an important performance-limiting abnormality of the upper respiratory tract, have a different anatomic location of the larynx than horses with only intermittent DDSP, report Cornell University researchers.
DDSP affects approximately 10% to 20% of racehorses and is diagnosed by ...
The bacterium Stenotrophomonas maltophilia can be associated with chronic lower airway disease in horses, reports a group of Danish researchers.
S. maltophilia is a Gram-negative bacterium that is causing disease more often in humans, particularly among the immunocompromised population, but it is only rarely reported as cau...
Horse manure needs to be 'cooked' for a specific length of time and at high enough temperatures to result in sufficient reductions in viability of roundworm (Parascaris equorum) eggs and Rhodococcus equi populations, report French researchers.
Composting, a popular method of managing horse manure generated on both small and large...
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 and abortion, but only a subset of EHV-1 strains can cause neurologic disease said Nikolaus Osterrieder, DVM...
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 experience frustrations when it comes to studying EHV-1 in the experimental setting.
EHV-1 causes aborti...
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 suggest that neuropathogenic strains of EHV-1 (i.e., strains of EHV-1 with a single mutation in the gene that encod...
Nonchemical parasite control strategies, fecal egg count monitoring, and controlled quarantine treatments all can delay the development of anthelmintic resistance (AR) in horses.
These were the recommendations made by a group of German researchers from the University of...
Special laboratory equipment is not needed to produce bacteria-free platelet concentrates (commonly referred to as platelet-rich plasma), but stringent attention to proper aseptic technique is essential.
Equine veterinarians are using platelet concentrates more often for the management of musculoskeletal disease. They can be prepared using a varie...
Previous studies evaluating the behavioral responses of horses to different types of bridles found that horses perform at least as well, if not better, with a bitless bridle than a jointed snaffle.
To probe deeper into the issue, Robert Cook, FRCVS, PhD, and Daniel Mills, BVSc, PhD, IL TM, CBiol MIBiol, MRCVS, tested their hypothesis that a horse’...
A single injection of platelet-rich plasma appears beneficial for acute clinical tendon injuries in horses, report a group of scientists from The Netherlands.
Platelet-rich plasma (PRP) is a fraction of whole blood that contains a concentrated source of platelets--microscopic storage facilities for a variety of growth factors that facilitate ...
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