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一、试验材料1.池塘条件亲鱼培育池面积2.5亩,水深1～1.2米,池底平坦,淤泥30厘米左右,水源充足,排灌方便,搭配部分鲢、鳙、草鱼、鲫鱼。2.水源和水质鱼池补充水为井水,孵化用水为鱼池水,pH值7.5,溶氧5毫克/升以上,符合渔业用水标准。3.亲鱼的来源所用亲鱼为本场培育的三龄鲤鱼,
First, the test materials 1 pond conditions broodstock incubation pool area 2.5 acres, depth 1 to 1.2 meters, bottom flat, silt 30 cm, adequate water, irrigation and drainage convenience, with part of the silver carp, pomfret, grass carp, crucian carp. 2. Water source and water quality Fish pond replenishment water is well water, incubation water is fish pond water, pH 7.5, dissolved oxygen 5 mg / L or more, in line with the fishery water standards. 3. The source of broodstock used broodstock for the third age carp cultivated in this field,