10/24/2025
My experience with flat soled horses is that there aren't very many "truly" flat soled horses. Not that I don't see very many to begin with, but after making the necessary changes...the concavity of almost every hoof can be improved.
Concavity=sole thickness, in most cases. Concavity must be built or developed over time, not carved out. There is a big difference between exfoliating dead sole material and removing valuable live sole. When you create the proper conditions the sole of the hoof thickens. I picture it raising the coffin bone off of the ground like the rim of a wheel when you pump up a tire. When you get the diet right...get the horse moving (especially on a clean 3-4" deep footing like sand, chat, or pea gravel) ..and keep the outer wall from making contact with the ground you will see the improvements almost immediately (sometimes literally overnight).
The horses coffin bone is naturally concave and the hoof capsule is produced from this bone. The sole is a reflection of the bottom of the bone. The problem is that the growth continues whether it's getting worn or trimmed away. The direction of growth is predominately forward so the hoof capsule will usually slough forward like a sock that's lost its elasticity and ends up bunched around your toes. Careful management can prevent, or correct, this situation so that hoof capsule is aligned with the coffin bone.
The tragedy is when this overgrown situation ensues for a long period of time... this changes the stride of the horse as well as the contact points of the hoof that were specifically designed for proper weight bearing. This breaks a horse down over time causing damage to the inner structures of the hoof as well as all the structures above the hair line. The upside is that the hoof is continually growing and you can use this constant supply of new material to fix the situation. Once you get the hoof wall perfectly aligned with the coffin bone you will see the concavity of the sole mimicking the concavity of the solar surface of the coffin bone. The only exception that I've seen to this is when the solar corium has been crushed for too long on a poorly conformed coffin bone and the bone has become flat or even convex. Even in some of these cases I've seen the horse restored to some level of comfort.
My goal is to educate horse owners to be able to detect hoof capsule deformation before it gets to the point of lameness and to take advantage of the healing abilities intrinsic to the hoof... to develop the best foot possible for the individual horse. “Bad” footed horses can improve and even good footed horses can be better.
(David Landreville, 2014)