一、亲鱼的培育。亲鱼培育得好,是来年鱼苗质量好数量足的保证。培育亲鱼要做好以下工作:(1)保证水质。至始至终都要保证较好的水质,常换新水,如水质有变,可泼生石灰净化。(2)投喂营养丰富的饵料。鲢鳙亲鱼以水中浮游生物为主,水质要肥。每亩可施消毒发酵后的人猪粪300kg,追施 First, broodstock breeding. Broodstock breed well, the next year the quality of fish fry enough quantity guarantee. Breeding broodstock to do the following: (1) to ensure water quality. Always ensure good water quality from start to finish, often for new water, such as water quality change, can be decontaminated lime purification. (2) feeding nutrient-rich diet. Silver carp and bighead carp to plankton in water, water to fertilizer. Per acre can be applied after disinfection of pig manure 300kg, topdressing