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양식넙치(Paralichthys olivaceus)의 복수증에 관한 연구 -Edwardsiella tarda의 일부 특성과 병원성 및 대책-
한재철 ( Jae Cheol Han ),김영진 ( Young Jin Kim ),서형석 ( Heyng Seok Seo ),김영길 ( Young Gill Kim ),이근광 ( Keun Kwang Lee ),안병목 ( Pyoung Mok Ahn ) 한국가축위생학회 1997 韓國家畜衛生學會誌 Vol.20 No.1
Characteristics, pathogenicity and control of the causative organisms isolated from diseased cultured flounder, Paralichthys olivaceus were studied. The causative organisms were identified as E tarda by biochemical and biophysical characteristics. Also, it strains were named as E tarda KBF-1 and E tarda KMF-1, and optimal pH of E tarda KBF-1 and E tarda KMF-1 were 8.0, and optimal concentration of NaCl. E tarda KBF1 was 0% and E tarda KMF-1 was 1%. In the pathogenicity test, 0~10 of the flounders of artificially infected group(E tarda KEF-1) with l0×l07cfu/fish were died within 60 hrs, but 0~9 flounders infected group with l.0×106 cfu/fish were died within 60 hrs. Also, 0~10 flounders infected group(E tarda KMF-1) with 1.0×l07cfu/fish were died within 36 hrs, while 0~7 flounders infected with l0×l06cfu/fish were died within 60 hrs. Drug sensitivity of E tarda KBF-l strain was resistant to AM, CF and N, and intermediate to E, K and S, and sensitivity to C, G, SxT and FF. But E tarda KMF-l strain was resistant to CF, E and V, and intermediate to AM, C, N and SxT, and sensitivity to GM and FF.