Prevalence of bovine tuberculosis in dairy cattle in Korea from 1961 to 2004 |
Hachung Yoon1, Byung-Hyun Chung2, Chong-Sam Yoon2, Joo-Ho Lee1, Oun-Kyoung Moon1, Seung-Yong Park2, Won-Chang Lee2, Tae-Jong Kim2 |
1National Veterinary Research and Quarantine Service 2College of Veterinary Medicine, Konkuk University |
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Abstract |
The trend in the prevalence of bovine tuberculosis (BTB) in Korean dairy cattle was investigated in relation to test programs used between 1961 and 2004, during which a total of 8,961,061 dairy cows were tested and 10,248 confirmed to have BTB. The annual prevalence increased in the late 1960s, then decreased during the 1970s and 1980s, and started to increase again from the late 1990s. It seemed that the prevalence varies according to the different test program used. The prevalence of BTB was higher when the tests were performed with heat-concentrated synthetic medium (HCSM) or purified protein derivative (PPD) tuberculin alone compared to that when using combined HCSM and PPD tuberculin testing. |
Key Words:
dairy cattle, HCSM, PPD tuberculin, prevalence rate, tuberculosis |
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