引种后不得直接将水蛭投放到池塘里：因为在运输过程中水蛭自身将产生一层黏膜作为保护膜。水蛭喜欢阴凉的地方，将水蛭放到里面，让其自行爬进池塘，以减少死亡。
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May not be directly after introduction will leech into the pond, because in the process of transportation leeches itself will produce a layer of mucous membrane as a protective film. Leech like a cool place, put leeches in the inside, make its own climbed into the pond, to reduce death.
注意观察：水蛭是在覆盖物下边的泥土中，而不是在水中繁殖的。繁殖期内，要避免水蛭的卵缺氧窒息，要注意土床的情况，确保种卵的生长。
Observe: leech is in the mud at the bottom of the cover, rather than breeding in the water. Breeding, to avoid leeches eggs anoxia suffocate, attention should be paid to the soil bed, ensure that the growth of the kind of eggs.
及时捕获：对于水蛭的捕获期会在10月份。根据水蛭的大小进行区分，如大、中、小。大的水蛭做水蛭种;小的进行继续词养，方便来年达到养殖标准进行打捞出售;一般中等的水蛭就可以进行加工了，晒干之后就可以卖给制药商作为药材使用了。
In a timely manner to capture that leeches capture period will be in October. According to the size of the leech to distinguish, such as large, medium and small. Big leech do leech species; Small is continue to keep words, convenient and salvage sale next year to breed standards; General medium of leech can carry on the processing, after drying can be sold for pharmaceutical use as medicine.
