Research Journal: July/August 2021

The information, ideas and opinions expressed are those of the author and do not necessarily represent those of the United States Department of Agriculture.

Hoof Kinetics of Laminitic Horses

Researchers in Germany compared hoof loading patterns of 16 sound horses and ponies as controls with those of 17 equids that recently recovered from acute laminitis and 21 animals that had recovered from laminitis 6-12 weeks before the study. Measurements were obtained at a walk across a level concrete surface using a thin film pressure sensor and an instrumented boot.

In the sound control animals, peak loading occurred at the toe during mid-stance. However, in the laminitis group, peak loading occurred during breakover. The time to peak vertical force in the toe was longer in the laminitic groups, which also showed lower relative vertical forces in the toe compared with the control group. Surprisingly, there was no significant increase in loading in the heel region of the laminitic animals with the middle hoof region bearing most of the palmar shift in loading.

In conclusion, the authors recommend therapy for laminitis should focus on supporting the middle and caudal regions of the hoof (frog and heels) along with easing breakover, which should reduce the loading of damaged lamellae in the toe.

— Al Naem M et al. EVJ 2021;53:503-509

Image Measurement Software Validated

The measurement of digital images has become a common technique used for conformation and biomechanics research. In this experimental study, animal scientists from Brazil examined the accuracy of a method for measuring conformation utilizing an image measurement JAVA software program called Image J. Eight markers were attached to 34 Quarter Horses and nine…

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Albert Kane

Albert J. Kane, DVM, MPVM, Ph.D.

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