特異抗体感作 Staphylococci を用いた Coagglutination Test によるサケ科魚類の細菌性腎臓病 (BKD) の迅速診断法について

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タイトル別名
  • 特異抗体感作ぶどう状球菌を用いた共同凝集試験によるサケ科魚類の細菌性じん臓病（ＢＫＤ）の迅速診断法について
  • Rapid Method for Detection of Bacterial Kidney Disease of Salmonid (BKD) by Coagglutination of Antibody Sensitized Protein A-Containing Staphylococci
  • トクイ コウタイ カンサ Staphylococci オ モチイタ Coagg

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The application of a coagglutination test using staphylococci specifically sensitized with antibody against the bacterium causing bacterial kidney disease to the diagnosis of this disease in salmonids was studied. This method proved to be a simple, rapid and reliable diagnostic test suitable for use in the laboratory or field, and requires no special apparatus. It was found to be highly specific and more sensitive than the immunodiffusion test. In a study of 758 fish from 24 farms suspected in outbreaks of bacterial kidney disease the rate of detection of the disease with the coagglutination test was as high or highter than the rates obtained by Gram staining or clinical examination.<br> The procedure of this method is summarized as follows:<br> 1) Kidney sample from diseased fish is homogenized with four to nine volumes of PBS, and heated in a boiling water bath for 30min.<br> 2) The supernatant is collected after centrifugation at 4000 rpm for 20min. This may be omitted if a centrifuge is unavailable.<br> 3) One drop of the supernatant and one drop of anti-BKD antibody sensitized staphylococci suspension are mixed on a glass slide and incubated at room temperature. The slide is examined after 30, 60 and 120min.<br> 4) If positive coagglutination is observed, the infected fish should be examined microscopically to confirm the diagnostic results.

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  • 日本水産学会誌

    日本水産学会誌 47 (9), 1173-1183, 1981

    公益社団法人 日本水産学会

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