摘 要：通过冷休克的方法诱导红鳍东方鲀的受精卵，孵化后的仔鱼，用PAS-Ⅲ型细胞流速仪测定其倍性，得到较高的三倍体诱导率。受精后8min，0℃下处理15min和受精后5min，2℃下处理15min三倍体率最高，为100%。受精后8min，4℃下处理10min倍化率最低，为20%；其余几组的三倍体率为90%。正交试验结果表明，影响三倍体诱导率的主次顺序是处理时间、处理温度、处理起始时间。
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