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稻虾(淡水小龙虾)连(共)作需如何诱导繁殖

作者:尘风发布:2018-09-21 7:49:39阅读:9,444次


稻虾(淡水小龙虾)连(共)作需如何诱导繁殖


  5月份以前放养的虾苗,可选择8月中旬-9月份控水,9月中旬至国庆前后加水,诱导掘穴交配、排卵,进行繁育秋繁苗。


  6月份之后放养的虾苗,可选择10月控水,诱导掘穴交配、排卵,翌年2月份加水;进行繁育春繁苗。


  严禁在11月份随意抬高稻田水位,防止抱卵虾出洞,造成卵子霉变脱落,影响育苗量。


稻虾(淡水小龙虾)连(共)作需如何诱导繁殖



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