How Often Should Your Horse Be Re-Shod?

becomes loose or comes off altogether
The hoof is starting to overgrow the shoe and is getting out of shape
The shoe has become excessively thin or unevenly worn
The shoe seems twisted on the foot
While all of these signs mean its time for a reset it really isnt a good idea to wait until you notice one of these things. Instead most of these signs indicate that the shoes have been on too longalthough nails can loosen and shoes can twist or wear prematurely.
Six weeks is a general guideline for good hoof health. This is also about the time that a barefoot horse will have to be trimmed. Some horses may need to be reset sooner and some can go a little longer. Dont leave shoes on for months though. That can damage the hoof and overgrown hooves can lead to soft tissue damage like strained tendons and ligaments 1
The Reshoeing Process
When the shoes are reset the farrier will pull the shoes off trim the hoof growth off shape the hoof and nail the same shoes back on. Because there is no natural wear on the hoofas there would be if your horse was barefootthe hooves may seem to grow a bit faster. Your farrier may have to reshape the shoes especially if a problem needs to be corrected.
Shoes can be reset as long as there is no excessive wear to the metal. This will depend largely on the type of terrain you have been riding on. For instance shoes may only last through one or
 two resets if you typically ride over an abrasive surface like rocks but may last months if your horse walks mainly on grass.
Once the shoes start to thin a new set will have to be put on. The initial shoeing will cost more than a reset.