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The State of Oklahoma has strengthened health requirements for horses entering the state, including for the Lucas Oil AQHA World Championship Show at State Fair Park. • Courtesy Photo.

Vesicular Stomatitis: 5-Day Health Certificates Required for Some Horses at Lucas Oil World Show

Some horses will need additional health documentation in order to attend the 2019 Lucas Oil American Quarter Horse Association World Show in Oklahoma. Officials say the rules are to prevent the spread of vesicular stomatitis.