"Spillers Happy Hoof For Horses Prone To Laminitis Horse Feed 20kg Spillers Happy Hoof is a unique, low calorie fibre blend suitable for horses and ponies prone to laminitis. Happy Hoof as low levels of sugar and starch and biotin to support healthy hoof growth. It is also a palatable blend of straw, alfalfa, grass, garlic and rapeseed oil. The short chopped form extends eating time and is proven to produce a low glycaemic response and, with the addition of magnesium, helps to maintain a healthy metabolism."