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中文摘要：
2005年4-7月，在室内集约化培育扁吻鱼鱼苗期间，鱼苗相继受到多种寄生虫的侵袭。通过用甲醛、硫酸铜、氯化钠和硝酸亚汞等药物治疗。结果表明：水温16～19℃时硝酸亚汞治疗小瓜虫病的安全有效浓度为0．4～0．8ppm。水温22～26℃时，为0．05ppm；40ppm-60ppm福尔马林溶液可有效控制鞭毛虫和纤毛虫病；0．1ppm硫酸铜10-15分钟有效杀灭纤毛虫。硫酸铜与硫酸亚铁合剂、氯化钠易引起鱼苗产生大量粘液而死亡。
英文摘要：
From April to July of 2005, the offspring of Aspiorhynchus laticeps were infected by many kinds of parasitosis, formaldehyde, copper sulphate, methylene, mercury protonitrate, sodium chloride were used to cure. t. The results showed that ： the effective concentration of mercury protonitrate to cure Ichthoyo phthirius Fouqueis 0. 4-0. 8 ppm during 16 - 19 ℃ of water temperature, and it is 0. 05 ppm during 22 - 26 ℃ ; 40 - 60 ppm formalde- hyde can control flagellate and ciliates; 0. 1 ppm copper sulphate can kill ciliates. The composition of copper sulphate and ferrisulphas and sodium chloride will bring about a large amount of mucosa and caused offspring dead.
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