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No Bovine Tuberculosis in Finland.
—The immunity to bovine tuberculosis enjoyed by Finland at present is the outcome of much laborious research and administrative enterprise. It is probable that this disease was first introduced into the country a century ago with the import of diseased cattle from abroad. In 1891 tuberculin testing of cattle was started, and in 1894 it was found that 25% of 2,219 cattle gave a positive reaction. By 1897 more than 10,000 cattle had been tested, of which 18.6% had given a positive reaction. Bang's system of isolating positive reactors was adopted, at great cost to the owners. In 1904 compulsory measures were introduced for stamping out bovine tuberculosis, and Bang's system was adhered to on the assumption that it would soon prove completely effective. However, between 1916 and 1928 the decline in percentage of positive reactors was disappointingly slow; it ranged between 4% and 7%.
FINLAND. JAMA. 1951;147(15):1467–1468. doi:10.1001/jama.1951.03670320067025
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