Aiming at a large number of dead fish and dead shrimps in the disaster area to harmlessly treat, prevent pathogens from spreading and contaminating aquaculture waters, and prevent public health hazards caused by improper handling. 2. Technical measures 1) Clearing Timely clearance of dead fish and dead shrimp in water bodies and sediments to prevent the breeding of pathogens and pollution of aquaculture water bodies. 2) Deeply buried For dead fish, dead shrimp can be concentrated after deep processing. Buried should be chosen away from water, rivers, aquaculture and residential areas. First dig a deep pit. When burying, first lay 2cm thick lime in the bottom of the pit, then put the dead fish body in the pit, then sprinkle a layer of quicklime, and then cover with soil, and be flat with the surrounding, the thickness of the cover soil should be not less At 0.5m; if there is a suspected outbreak or other abnormal condition, the dead fish and dead shrimp need to be oiled and then covered with a layer of soil more than 1.5m thick; the filling should not be too solid so as to prevent the corpse from producing gas and causing bubbles to occur. Out and liquid leakage. Clear identities should be set after burial. 3) Fermentation Dead fish and dead shrimp can be selected to be fermented away from water sources, rivers, and breeding areas. First, dig a fermentation pit, use plastic film as the lining of the land, place dead fish and dead shrimp in the pit, seal it with a plastic film, cover it with soil, and use it as an agricultural fertilizer after fermentation. 4) Incineration Where conditions permit, the crematorium incineration method can be used for treatment. 5) Water disinfection When aquaculture fish of dead fish and dead shrimps are discharged, they must be disinfected and discharged to the natural waters after reaching the national wastewater discharge standards. Disinfection method: When clear pond is used, 20 grams of bleaching powder (including 25% of available chlorine) per cubic meter of water shall be splashed in the whole pool. 6) Tool disinfection The handling of salvage, transportation, loading and unloading, etc. shall be avoided, and the salvage, transportation and handling tools shall be disinfected and sterilized with bleaching powder. Disinfection method: Spray or soak with a solution of 500 mg/L bleach (containing 25% of available chlorine). Food Additives,Natural Food Additives,Food Additive Saccharin,Popular Food Additives SHANDONG BAISHENG BIOTECHNOLOGY COM , https://www.baishengbioproducts.com
Damage-free treatment of tilapia Penaeus vannamei
1, functional uses