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如何培养盐水虾
更新时间: 2020-09-16 00:00:00  

盐水虾卵在干燥条件下可以较长期保存,当放入盐度为20到30,温度25到27摄氏度的水中,并满足孵化所需的溶氧量,经24到48小时后就孵出幼体;孵化盐水虾卵时,可用甘油盐水洗去沾在卵上的杂质和泥沙,取得上浮的洁净卵子;也可将卵子先行速冻,从零下3摄氏度渐至零下15摄氏度,冷藏1到3个月后再行孵化,可得到百分之60到百分之90的孵化率;直接将丰年虾冬卵放入海水中,水温保持在28到29摄氏度,经过24到30小时的直接卵化就可发育成无节幼体。

关键词: 如何 培养 盐水

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