Spillers HDF Power Mix is suitable for horses in hard work. Power Mix contains high digestible fibre, oil and controlled starch to provide an ideal balance of energy sources to support sustained control and power. It also contains high levels of quality protein to support muscle health and topline. Spillers HDF Power Mix contains: Digestible Energy 13MJ/kg Oil 5.5% Protein 14% Fibre 12% Starch 22% Vitamin A 11,000iu/kg Vitamin D 1,100iu/kg Vitamin E 400iu/kg Selenium 0.3mg/kg Copper 25mg/kg Zinc 125mg/kg