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1993年7月底在陕西省咸阳市兴平县田阜渔场五口主养草鱼种的池塘中,发生10厘米左右草鱼种大批死亡现象。病鱼离群独游,体表发黑,背鳍两侧常见两道颜色较浅的花斑。解剖检查,前肠膨胀如胃囊状,可看见白色带状寄生虫,整条肠道常充血发炎。当虫体密集时,造成肠道机械阻塞,鱼类停食,肠内无食物。经鉴定,确认该寄生虫为九江头槽绦虫。此
At the end of July 1993, about 10 centimeters of grass carp species died in large numbers in five ponds of grass carp species in Tianfu fishery, Xingping County, Xianyang City, Shaanxi Province. Sick fish outing solitary tour, body surface black, dorsal fin on both sides of the common two lighter color spots. Anatomical examination, such as gastric cyst before the dilatation of the bag, you can see the white ribbon parasite, the entire intestine often congestion and inflammation. When the worm body dense, causing intestinal obstruction, fish stop eating, no food in the intestine. After identification, confirm the parasite as Jiujiang trough tapeworm. this