Researchers in Vienna examined the utility of using heart rate and heart rate variability to estimate the degree of pain felt by 12 horses with clinically obvious laminitis compared to five unaffected control horses. In addition, heart rates were compared to the Obel pain scale, historically used to describe the severity of laminitis pain where “1” is used for horses that shift their weight from one foot to another while standing or are lame only at a trot and “4” is used for horses that are very reluctant or refuse to move.
Lameness will likely be a problem for all horse owners at some point. It is a sign that a horse has an injury that causes pain when it moves or places weight on the affected leg. If the cause of lameness is apparent, you may be able to administer first aid. If not, confine the horse to prevent further damage to the leg and call the veterinarian if mild lameness persists. Horses with severe lameness need prompt veterinary attention, as they are usually experiencing significant pain.
A horse comes in from the pasture looking a little bit touchy on his front hooves, almost as though he's walking on eggshells. A common course of action for an owner would be to reach down and feel for unusual warmth in the hooves and coronary bands. Excessive heat was interpreted to indicate the possibility of laminitis. Time-honored practice? Yes. Completely accurate as a predictor? Most likely not, according to recent research.
A study by University of Georgia researchers is evaluating the possibility that critical steps leading to acute laminitis may be initiated by white blood cells that move from the circulation system into soft tissues found in the hoof laminae.
Since researchers maintain that toe grabs pose a significant factor in racehorse injuries, racing commissioners will likely be asked to pass rules banning these kinds of shoe modifications.
American Farriers Journal is excited and honored to celebrate its 50th anniversary of publishing the hands-on magazine for hoof-care professionals. Learn more about our special edition, which comes out in December 2024.
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