A new study shows that the vast majority of horse owners cannot determine if a horse is lame under saddle. However, scientists note that owners who pay close attention to equine behavior may pick up on clues that the horse is in pain even if they can't determine if it's lame while being ridden, reports The Horse.
The ridden horse pain ethogram (RHpE) is a list of 24 behaviors that have been scientifically confirmed to relate to pain; when the pain is removed, the behaviors disappear. The behaviors include things like pain-related facial expressions and pinning of the ears for at least five seconds. Lame horses showed at least one-third of the behaviors included in the ethogram.
Dr. Sue Dyson and a team of scientists applied the ethogram to 60 riding horses in the United Kingdom. The horses were given lameness exams and checked for saddle fit. They were then assessed for the presence of absence of the 24 behaviors listed in the ethogram while being ridden by their regular riders; all riders believed their horses were sound.
The study showed that 73 percent of the horses showed subtle, intermittent lameness in one or more legs; more than 50 percent of horses demonstrated a gait abnormality like bunny hopping or not stepping underneath themselves at the canter.
Lameness was strongly linked to a RHpE score of eight or more. The most-common behaviors included pinning the ears for at least five seconds, staring intently for at least five seconds, dragging the back feet or stumbling repeatedly.
Dyson says that riders missing lameness in their horses is not indicative of lack of attention, but more reflective of their lack of training in recognizing pain-related behaviors. Riders who learned to ride in lesson programs may have always ridden horses that were exhibiting pain-related behaviors, but were not taught that the behaviors indicated discomfort.
Dyson says owners and riders must become more educated to recognize pain-related behaviors and understand that the demonstration of eight or more of the behaviors indicated that the horse is in pain.
Read more at The Horse.
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