A treadmill is used to demonstrate the effects of a poor trim on movement at the Texas A&M University Farrier Conference.

High-Speed Treadmill Proves Importance Of Correct Trimming

Demonstration at the Texas A&M Farrier Conference shows the correlation between trimming and lameness

Earlier this year, horseshoers gathered in College Station, Texas, for the Texas A&M University Farrier Conference. Some came for the clinic itself, while others made the trip for the American Farrier’s Association certification exams that were held over the weekend.

One interesting presentation was a demonstration on the effects of incorrect trimming, using a high-speed treadmill for the lameness evaluations.

Dennis Sigler, the Texas A&M AgriLife Extension Service Horse Specialist, led the demonstration, which he admitted was a bit of a test. “We’ve never done this for a group of farriers, so this is what we call research,” Sigler says. “So it might work and it might not — that’s kind of what research is.”

Effect Of An Improper Trim

Two mares owned by Texas A&M had been trimmed beforehand, although Sigler didn’t initially explain exactly what had been done. The first mare was led onto the treadmill and harnessed to the safety device.

Not surprisingly, no sign of lameness could be seen at a walk. Once the treadmill speed was increased and the mare began to trot, a slight lameness could be seen in her front end. Her feet slapped the ground, or rather the treadmill surface, harder than seemed normal. The hoofbeats on the treadmill were loud, so much so that it was obvious by sound alone that the mare was off somewhere.

After several minutes on the treadmill, the mare was led off the machine, and El Paso horseshoer Doug Hogue began trimming her. Sigler admitted that…

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