The first is to sterilize stable chlorine dioxide nursery sites and their propagation equipment. Different disinfection methods are used for different objects.
For sterilizing the dry pond in the holding pond, the stable chlorine dioxide can be diluted with water to a one-tenth concentration aqueous solution, and the whole pool can be sprayed evenly. When disinfected with water, the stable chlorine dioxide can be diluted with a small amount of water (30 kg of water for every 100 g of the drug) and the whole pool is sprayed uniformly so that the concentration of the drug in the water reaches a concentration of 3 mg per liter.
For reproductive devices, soaking and disinfection can be used. First, dilute the stabilized chlorine dioxide solution with water to a concentration of one-hundredth of a concentration of the solution, and then soak the reproduction equipment such as nets and fishing rods in a stable solution of chlorine dioxide for 5 hours to 6 hours or more.
For the disinfection of broodstock, the stable chlorine dioxide can be diluted with a small amount of clean water, the whole pool is evenly spilled, so that the concentration of the drug in the water can reach 0.3 milligrams per liter, or using a stable chlorine dioxide solution soaking method, ie In an appropriately sized container, containing a fixed amount of fresh water, dilute the stabilized chlorine dioxide therein so that the concentration of the drug in the body of water reaches 50 mg per liter, and directly soak the broodstock for 5 minutes to 10 minutes.
The second is that according to the specifications of shrimp seedlings, it can be disinfected with different concentrations of stable aqueous solution of chlorine dioxide.
When soaking the shrimp seedlings, dilute the stable amount of chlorine dioxide in fresh water to make the drug concentration 0.5 mg/L water solution, and soak the shrimp seedlings for 5 minutes to 10 minutes.
When immersing the prawns, dilute a stable amount of chlorine dioxide in water to make a solution with a concentration of 2 mg per liter, and soak the larvae for 15 minutes to 20 minutes.
A stable solution of chlorine dioxide should be regularly spilled in the pool where shrimps are raised so that the concentration of the drug in the water in the rearing tank reaches 0.2 mg to 0.3 mg per liter, and it is sprayed once every 4 days to 5 days.
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