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When we speak of “hoof balance” we are referring to the relative length of the horse’s toe, heel, and side walls.  Traditionally farriers have used several methods to determine the balance of the foot ranging from measuring the toe angle to visualizing the foot strike pattern while moving.  The difficulty lies in that one horse may respond well to one type of balance while another horse responds better to another type of balance.  Horses are individuals with individual needs and preferences.  As humans, we find that certain types of footwear are comfortable for our particular needs. 

Again, relating to us as humans, we may find a particular shoe to look attractive, but if it is uncomfortable it will live in the back of our closet regardless of its cost.  Horses don’t have this option, so they must live with the feet that they were born with.  Farriers trim the foot to compensate for wear, injury and conformation.  This trimming or “balancing” ideally restores comfort back to the horse.  Improper hoof balance affects the horse several ways.  First, the gait of the horse shortens or becomes asymmetrical.  This will affect the horse’s quality of movement and attitude.  The amount of affect depends greatly on the pain tolerance and attitude of the horse.  Secondly, hoof imbalance puts uneven compression over the joint surfaces leading to varying amounts of inflammation (see Fig. 1).  Persistent low grade inflammation (aside from trauma) is the primary cause of arthritis in joints.

Recent advances in technology have allowed us to take a step forward in optimizing hoof balance.  By using digital radiography the veterinarian is able to image the bones in the hoof while also being able to see the hoof capsule.  The images are produced immediately, allowing the farrier, veterinarian and owner to work together.  In addition, copies of the images can be duplicated via CD or exported over the internet. As a matter of logistics, this service can be performed at the owner’s stable.  Requirements are a flat, level hard surface for the horse to stand on, 20 amp electrical service and weather protection.  Currently many owners are working with their farrier and Dr. Thaler at Metamora Equine’s Day Clinic located in Metamora, MI.  The imaging and shoeing can be accomplished at one time.

Figure 1. Arrow shows area of coffin joint compression

Farriers have shown enthusiastic support for this imaging because it allows them to perform their trade with verified measurement at their time of service.  Owners have found that the removal of the time lag between veterinarian-farrier communication and adjustment trimming yields a much more comfortable horse.  Additionally, the horse will enjoy a longer life without the discomfort of premature arthritis.