A suitable speed step to concentrate supplement horse feed

The present invention provides a suitable speed step fodder supplement for horses, 37-60 parts of raw corn, 0.4-30 parts bran, barley 4-65 parts, 17-50 parts of soybean meal, fish meal 0.3 to 10 parts , 0.2 to 20 parts of calcium dihydrogen phosphate, 0.2-9 parts of salt, 0.2 to 10 parts premix composition prepared 4mm diameter particles fed; wherein the premix from 0.05 to 7 parts of cobalt chloride, copper sulfate 0.4 -15 parts, 0.07-8 parts of potassium iodide, 0.5 to 16 parts ferrous sulfate, manganese sulfate, 2-12 parts of sodium selenite 0.05-8 parts, 0.9-11 parts of zinc sulfate, vitamin A? 0.05 to 8 parts of vitamin D? 0.005 copies, vitamin E? 0.5 to 25 parts of Vitamin B1? 0.04-6 parts, vitamin B2? 0.01-4 parts, nicotinamide 0.5 to 10 parts, 0.01 parts of calcium pantothenate, vitamin B6? 0.001-0.7 parts, 0.03 parts of biotin, vitamin C? 0.05 to 7 parts, 0.4 to 7 parts of choline chloride, 30-76 parts of bentonite component. Each horse fed three times a day 0.16-2.7kg.