Someone asked what to do about shelly feet and hoof problems on a long yearling filly today so we thought we would share some part of our answer.
Here is an article on shelly feet that may help:
Here is an article on physitis: http://www.thehorse.com/articles/10685/focus-physitis
Here is one of the preeminent equine podiatrists in the world. He is in Versailles, KY: http://www.reddendvm.com/
Here is a tape on styrofoam pad that is very effective. They have an instructional dvd but the pads are easily applied with duct tape. We keep them on hand in case of acute laminitis or foot soreness. They may help until her hoof grows out more. That is the first thing I would do with her: