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近年来,据养鱼户反映,鱼塘、水库、稻田的螺蛳、蚌壳、蚬很多,治不绝根。不仅耗氧耗饵,还带菌带寄生虫,诱发鱼病和容易泛塘死鱼。现介绍清除一法。 鱼种放养前,用茶籽饼碾末进行杀灭,效果很好。具体作法是,在放养鱼种前,将茶籽饼碾成粉末,加3倍温水浸泡1～2小时,使皂角甙释放出来。然后均匀地泼洒到鱼塘里,并用树枝搅匀。每亩水深1米的鱼塘用60～70公斤。泼洒后7天即可放养鱼种。
In recent years, according to fish farmers reflect, fish ponds, reservoirs, paddy rice snail, clam shells, bream a lot, rule endless. Not only the consumption of oxygen bait, but also with parasites, induced fish disease and easy Pan Tong dead fish. Now introduce a clear method. Fish stocking before, with tea cake crushed to kill, the effect is very good. The specific practice is, before stocking species, the tea seed cake crushed into powder, add 3 times warm water soak for 1 to 2 hours, the saponin release. Then spill evenly into fish ponds and mix well with twigs. 1 meter per mu of fish ponds with 60 to 70 kg. 7 days after splashing fish can be stocked.