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春末夏初是鱼类指环虫和车轮虫易发季节,易引起病害流行。往年病害暴发面积较广,给养殖户带来较大损失。根据多年发病规律调查和用药实例分析,通州区疫病预防控制中心近期对两种虫害进行面上检测,及时发布疫情预报。笔者现将防治措施过程报告如下,供广大渔民参考。1.水质的管理:水源进入养殖池前有条件的要在蓄水池中过滤和消毒,以杀灭水源中的病原体和敌害生物,一般可用3mg/L的漂白粉(含有效氯28%以上)全池泼洒,还可用0.5mg/L敌百虫(90%的晶体敌百虫)全
Spring and early summer early summer is the fish ring worms and rotifers prone season, easily lead to epidemics. Disease outbreaks in recent years a wider area, to bring greater loss to farmers. According to years of investigation of disease incidence and drug case analysis, Tongzhou District Center for Disease Control and Prevention recently conducted two kinds of pests on the surface detection, timely release of epidemic forecast. I now report the following prevention and control measures for the majority of fishermen reference. 1. Water Quality Management: Before the water enters the aquaculture tank, it is necessary to filter and sterilize it in the water tank to kill pathogens and predatory organisms in the water source. Usually 3mg / L of bleaching powder (containing more than 28% of available chlorine) ) Quanchiposaur, but also available 0.5mg / L trichlorfon (90% of the crystal trichlorfon) all