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夏季气温高,水温也高,河蟹养殖一定要精心饲养,加强管理,保证安全度夏,提高其成活率。1.放养足量水草夏季蟹池内应放养水花生、浮萍等水生植物,为河蟹创造阴凉的栖息环境;另外,还要培植大量的轮叶黑藻、节节草等幼嫩水草供河蟹摄食。用于遮荫的水草不能覆盖整个池面,应留有1/3的活动空间。腐烂的水草应及时捞除,以免影响水质,滋生病菌。2.保证水质洁净养蟹池应经常检查水
High temperatures in summer, the water temperature is also high, crab farming must be carefully reared, to strengthen management, to ensure the safety of summer, to increase its survival rate. 1. Stocking plenty of water Crab pool in summer should be stocking water peanut, duckweed and other aquatic plants, to create a cool habitat for the crabs; In addition, but also to cultivate a large number of leaves Hydrilla, nodular grass and other young plants for crab feeding. Aquatic plants used for shading should not cover the entire pond surface and should occupy 1/3 of the space for activity. Rotten aquatic plants should be promptly removed, so as not to affect the water quality, breeding bacteria. 2. To ensure clean water Crab pool should always check the water