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도축돈에서의 Actinobacillus pleuropneumoniae 분리, 동정 및 감염률 조사
김경언 ( Kyung Eon Kim ),구경녀 ( Kyung Nyer Ku ),고재형 ( Jae Hyung Ko ),문형준 ( Hyeong Jun Moon ),최권락 ( Kwon Rag Choi ),송은아 ( Eun Ah Song ),박미영 ( Mi Young Park ) 한국동물위생학회 2013 한국동물위생학회지 (KOJVS) Vol.36 No.3
This study was conducted to isolate the Actinobacillus pleuropneumoniae (APP) and to find out the distribution of 15 serovars mainly in southern Gyeonggi province, Korea. From July 2011 to Nov. 2012, a total of 2,204 slaughter pigs (110 herds) were inspected for evaluation of APP like pneumonic lesions. 48 (33.8%) APP strains were isolated from the 142 lungs and identified using PCR assays (cps, apx/omlA, biovar). Consequently, the serotype ratio were as in the following; type2 41.7% (n=20), type5 33.3% (n=16), type12 10.4% (n=5), type1 6.2% (n=3), type4 and 7 2.1% (n=1) and unknown 4.2% (n=2). Also serological test was implemented for 452 (83 herds) serum samples randomly collected from above slaughter pigs using commercial ELISA kits. The positive ratio of each serotype for tested pigs were 19.1% (77/404) on [2], 7.1% (32/452) on [3, 6, 8], 6.9% (28/404) on [5a, 5b], 6.2% (28/452) on [4, 7], 2.8% (9/320) on [12], 2.0% (9/452) on [1, 9, 11] and 0.0% (0/452) on [10]. And 49.3% (223/452) of pigs were positive on apxⅣ antibody. On the basis of latter screening test, the infected farm ratio accounted for 71.1% (59/83) and that was much higher than previously reported data.