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注意鱼苗、鱼种放养前管理是影响水产养殖成败的重要因素。在放养前加强对水、塘、苗三者的控制,关系到全年的生产,因此需要特别注意以下几点。1、清塘修整老的池塘经过养殖后,会有较多淤泥以及生物残饵等有机物沉积,影响鱼苗的成活率。因此在放苗前,可通过塘干池、清淤,冻晒或暴晒等方式促进有机物氧化、分解和排除,做好池底平整,堤坝修补以及排水管道的疏通工作,最后进行消毒。2、底质消毒常用的消毒剂有生石灰、漂白粉、二氯异氰尿
Pay attention to fry, fish management before stocking is an important factor affecting the success or failure of aquaculture. Before stocking to strengthen the control of water, ponds and seedlings, related to the annual production, so you need to pay special attention to the following points. 1, clear pond after the old pond trimming cultivation, there will be more sludge and biological residual bait and other organic deposition, affecting the survival rate of fry. Therefore, before Fangmiao, ponds can be ponds, dredging, drying or exposure to sun and other means to promote the oxidation, decomposition and elimination of organic matter, to make the bottom of the flat, dam repair and drainage pipes to clear the work, and finally disinfected. 2, commonly used disinfectant disinfection of sediment with lime, bleach, dichloro isocyanurate