一、冬春下塘冬春是放苗的黄金时期,不但成活率最高,还极有利于来年生产。二、壮苗下塘下塘前,选择体质健壮、规格整齐、流动活泼的良种鱼苗下塘,方可提高成活率。三、安全下塘鱼苗下塘前必须严格检查清塘药物是否已彻底失效,可将几十尾鱼苗先试放入塘内的网箱,观察一昼夜,看鱼苗活动、浮头情况有无异常,如出现焦躁不安、浮头挣扎、四处串游现 First, winter and spring under the pond Spring and winter is the golden age of Fangmiao, not only the highest survival rate, but also very beneficial to the production of the coming year. Second, strong seedlings under the pond before the pond, choose a strong physique, neat specifications, lively breeding seedlings under pond, in order to improve the survival rate. Third, the safety of pond fish ponds before the pond must be strictly checked whether the clear pool of drugs has been completely invalid, you can dozens of fish fries first try into the pond cage, observe a day and night, watching fry activities, floating head situation with or without exception, if there is Restless, floating head struggling, around the string now