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人工繁殖鳅苗 ,5~7月为泥鳅产卵期 ,自然条件下孵化率和成活率较低 ,最好采用人工方法繁殖鱼苗。选择体长10cm以上 ,体重25g以上体质健壮 ,肚大腹圆 ,2龄以上性成熟的泥鳅作亲鱼。按1 1的比例搭配雌雄鱼 ,放入亲鱼池中饲养。水温20℃时催情注射。每尾雌鳅可注
Artificial breeding loach seedlings, loach spawning period from May to July, under natural conditions, the hatching rate and survival rate is low, the best artificial breeding of fry. Select more than 10cm body length, body weight more than 25g robust abdominal belly round, more than 2 age loquat mature broodstock. By 1 1 ratio with male and female fish into the broodstock breeding. Aphrodisiac injection at 20 ° C water temperature. Female loach per caudal injection