I have been feeding my Percheron 1/2 cup of flax seed (whole seed measurement) per day for 5 months. I started feeding him whole, but then he picked it out of his grain! I now grind it daily. I bought a little spice grinder that I keep in the grain room.
My guy had horrible feet when I got him and had been fighting this battle. I have a great farrier and my horse is trimmed every 6 weeks. Well this past visit the farrier asked what I had been doing because his feet seem much healthier. I told my farrier about the flax seed. My farrier is going to share my success with his other draft clients!
Another bonus is that his winter coat, while dirty because of no baths, is still shiny and very soft. Now that he is shedding his coat is super shiny.