松島水族館でみられたマンボウMola molaのCitrobacter freundiiによる感染死
松島水族館でみられたマンボウMola molaのCitrobacter freundiiによる感染死
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DOI：
10.2331/suisan.48.1551
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发表时间：
1982-11
影响因子：
0.4
通讯作者：
延子 佐藤;誠久 山根;隆文 川村
中科院分区：
文献类型：
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作者：
延子 佐藤;誠久 山根;隆文 川村
在日本松岛水族馆的翻车鱼中观察到一种由肠杆菌科弗氏柠檬酸杆菌引起的动物流行病。在1981年5月至9月期间，水族馆里的29条太阳鱼中有25条死亡。几乎所有感染的翻车鱼都表现出相同的病理变化，即皮肤表面隆起出血性渗出物和肾脏多发性脂肪样肉芽肿。从检查的各种器官中分离出弗氏柠檬酸杆菌。从肾肉芽肿和脾脏获得纯培养物，结果表明弗氏柠檬酸杆菌是最可能的病原体。对水族馆内循环的海水进行的细菌学检查显示，除了弗氏柠檬酸杆菌外，各种肠杆菌科，如克雷伯氏菌、肠杆菌和变形杆菌的含量也很高。这些结果表明，尿-水-口腔传播途径在水族馆内。使用了几种抗生素，但没有一种对治疗感染的太阳鱼有效。然而，在用氯消毒海水后，弗氏柠檬酸杆菌的感染终止了。本文就弗氏柠檬酸杆菌在海水中的宿主范围对翻车鱼的致病性进行了讨论。
An epizootic attributable to enterobacteriaceae Citrobacter freundii was observed among sunfish Mola mola in Matsushima Aquarium, Japan. During May to September, 1981, twenty-five out of twenty-nine sunfish died in the aquarium. Almost all the infected sunfish showed the same characteristic pathological changes, that is, hemorrhagic exanthema upheaved from skin surface and multiple lipoid granuloma in the kidney. Citrobacter freundii was isolated from the various organs examined. Pure cultures were obtained from kidney granuloma and the spleen, the results indicating that Citrobacter freundii was the most likely pathogen. Bacteriological examination of the sea water circulating in the aquarium showed high levels of various entero-bacteriaceae, such as Klebsiella, Enterobacter and proteus, in addition to Citrobacter freundii. These findings suggested the urine-water-oral transmission route within the aquarium. Several antibiotics were administered but none were effective in treating the infected sunfish. However, after disinfecting the sea water with chlorine sunfish infection with Citrobacter freundii terminated. The unique pathogenecity of Citrobacter freundii to sunfish will be discussed regarding host range in sea water.