The Missouri Department of Conservation (MDC) reminds deer hunters that seven counties in northwest Missouri have been added to the state’s CWD Management Zone. Deer that tested positive for chronic wasting disease (CWD) last year in or near those counties prompted the change. The northwest counties affected include Caldwell, Carroll, Clay, Clinton, Grundy, Livingston, and Ray. The CWD Management Zone is designed to limit the spread and effects of the disease over time in the state’s deer herd. The November portion of the firearms deer season is Nov. 11-21. Hunters will need to take deer harvested in those counties during the opening weekend, Nov. 11-12, to an MDC mandatory sampling station.