Start giving slowly. Give 1/2 ounce the first day, and increase by 1/2 ounce each day until you get to 2 ounces daily. Continue giving at two ounces daily. Three days prior to event, incrase to 4 ounces daily. Four hours before event, give 8 ounces. Amount and frequency may be varied depending upon condition of horse and amount of activity. Give no more than 2 ounces daily to lay-ups, brrodmares, stallions, and colts.