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要有效防止稻田培育蟹种成活率低的现象产生, 首先应搞清楚其成活率低的原因,然后对症下药,才能达到其应有防治效果。
To effectively prevent the phenomenon of low survival rate of cultivated crabs in paddy production, we should first understand the reasons for the low survival rate, and then the right medicine, in order to achieve its due control effect.