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(Introduction) Laminitis is defined as a diffuse aseptic inflammationof the lamina in the hooves of cattle,horses and sheep.Clinical laminitis is one of the most common diseases in dairy cows and causes lots of economic losses for husbandry.Subclinical laminitis since it produces physical changes in the hoof.The hoof lameness is one of the most common diseases in dairy cows and causes lots of economic losses for husbandry.