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KMID : 0613820100200050697
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Journal of Life Science
2010 Volume.20 No. 5 p.697 ~ p.702
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Seroprevalence of Brucellosis and Isolation of Yersinia enterocolitica O:9 in Pigs
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Jung Byeong-Yeal
Park Choi-Kyu
Shin Dong-Ho
Byun Jae-Won
Kim Ha-Young
Jung Suk-Chan
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Abstract
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Ten farrow-finish farms participated in this seromonitoring that was conducted to investigate the porcine brucellosis situation in Korea. In total, eight (80.0%) of the 10 farms and 139 (24.0%) of 578 pigs tested showed a positive response in the Rose Bengal test (RBT). Seroprevalence levels were determined using RBT according to age; 35 (14.6%) of 239 piglets, 36 (31.3%) of 115 growing pigs, and 68 (30.4%) of 224 finishing pigs and sows were positive, respectively. All positive samples in RBT were tested with the tube agglutination test (TAT) and competitive ELISA (C-ELISA), simultaneously. Although 48 samples came up positive in the TAT, all samples tested with C-ELISA were negative. Among 26 rectal swab samples from the TAT positive-pigs, Yersinia enterocolitica O:9 was isolated from seven samples (26.9%). Therefore, we speculated that the positive reaction of RBT and TAT in this study might be induced by the serologically cross-reacting bacteria with Brucella abortus.
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KEYWORD
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Brucella, Yersinia enterocolitica O:9, pigs, C-ELISA
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