What is the history of brucellosis in Montana?
In 1934, the United States Department of Agriculture (USDA) began national brucellosis eradication efforts in livestock, including the development of a vaccine. In 1952, Montana began an aggressive program to eliminate brucellosis from its livestock industry. Montana obtained its Brucellosis Class Free status in 1985 after more than three decades of eradication efforts and an expenditure of more than $30 million by the Montana livestock industry. [Top] 2. What is the status of brucellosis in Montana? From 1985 until May 17, 2007, there were no cases of brucellosis detected in Montana’s livestock. On May 18, 2007, brucellosis was detected in one Montana cattle herd (Carbon County). Subsequently, on June 9, 2008, brucellosis was detected in a second Montana cattle herd (Park County). This herd was tested as part of Montana’s efforts to test and develop brucellosis risk mitigation herd plans for herds near the Greater Yellowstone Area. [Top] On September 3, 2008, because of these two infe