Spring fish fingerling "disinfection bag" method

The "disinfection of bags" of fingerlings is a new method of fingerling disinfection that has been summarized and used by fish farmers in recent years. Its advantages are simple, cost less, and can reduce fish diseases with a high survival rate. The method is:

1. Operation 1 Place the nylon bag of the fish species on the edge of the pond (unfasten the mouth of the bag). The water inside the bag is flat. 2 Shake the liquid into the bag and observe the activities of the fish. After the disinfection time is completed, throw the fish into the pond.

2. Drug preparation and soaking time 13% -5% salt solution, dip fish species for 20 minutes, can prevent bacterial diseases. 2 Use 10-15 mg/L copper sulphate solution to dip fish species for 15-20 minutes to control trichoderma, oral filariasis, and hair worm disease. 3 Use 10mg/L bleach solution to dip fish species for 20 minutes to prevent bacterial skin diseases and rickets. 4 Use 20 mg/elevated potassium manganate solution to dip fish species for 20 minutes to prevent and control the third generation of insects, trichoderma and so on. 5 With 8 mg/L copper sulfate and 10 mg/L bleaching powder mixed solution dip fish species for 20 minutes, can prevent bacterial gill disease, red skin disease, enteritis disease. 6 Use 5mg/L bleaching powder and 3mg/L caustic soda mixed solution for 20 minutes to prevent and control the third generation of insects, ringworm disease and so on. 7 Fish fingerlings were soaked with 0.2 mg/L fish and insecticide solution for 15-20 minutes to prevent diseases such as fish gills, anchor head gills, sword water gills, water entertainment gills, and pine spores.

3. Precautions (1) The drug should be poured into the bag according to the standard dilution. Do not directly spill it into the bag. Do not dispose the drug in the metal container with the use of the drug. (2) Disinfection time refers to the time when the water temperature is about 20°C.

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