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近年来,许多养殖户蟹池套养鳜鱼取得较好效益,但也有不少养殖户盲目效仿,导致失败。笔者认为,蟹池套养鳜鱼要想获得成功,应注意以下事项。1 注意蟹池条件 蟹池要严格清塘消毒,特别是上1年蟹病发生较重的塘口,除用生石灰消毒外,还要用杀虫药物消毒。蟹池内种水草,水草覆盖面积占蟹池总面积的30%~50%。水草对河蟹有保护作用,并有利于鳜鱼捕食饵料鱼。
In recent years, many farmers crab pool raise catfish to obtain better benefits, but many farmers blindly follow suit, leading to failure. The author believes that crab pool catfish nesting in order to be successful, we should note the following. 1 Note crab pool crab pool disinfection should be strictly clear pool, especially in the last year, severe crab disease ponds, in addition to lime disinfection, but also with insecticide disinfection. Crab pool planted species of water, aquatic plants cover the total area of Crab pool accounted for 30% to 50%. Aquatic plants have a protective effect on crabs, and are good for catfish prey feeding bait fish.