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2. Effectively implement anti-epidemic work for aquaculture animals after heavy rainfall. All kinds of aquaculture animals such as dead fish and flooded ponds should be rendered harmless, disinfected and sterilized in a comprehensive manner to prevent dead fish and other contaminated water bodies, cut off the source of infection, and prevent the outbreak and epidemic of major aquatic animal diseases. Post-disaster disinfection of ponds, nets, and aquaculture tools can use chlorine dioxide, dibromohydantoin, bromochloroheine, strong chlorine extract, quaternary ammonium salt complex iodine, quicklime and other disinfectants.
Third, do a good job in the regulation of water quality. Due to the effects of flooding, the aquaculture waters may be brought into a large number of harmful substances and mud. The water body is turbid. There are 2 kilograms of alum per acre of water per meter. After the water is dissolved, the whole pool is splashed evenly, which can achieve the purpose of purifying water quality. Three days after disinfection and disinfection of the aquaculture water body and tools, microbiological preparations such as photosynthetic bacteria, Bacillus subtilis, and nitrifying bacteria can be applied to the pond to improve the water quality of the pond. Farmers can take corresponding measures according to the different cultured objects. For example, farmed carp, carp, squid, etc. should use fertilizer and water as the main component. For cultured shrimps and crabs, the turbidity of water bodies should be properly reduced, transparency should be improved, and attention should be paid. The situation was increased by aerators.
Fourth, strengthen animal nutrition in aquaculture and improve immunity. After the flood, the aquaculture animals have poor physique, they must feed high-quality fresh feed, and add vitamin C and allicin to the feed in order to increase the intrinsic disease resistance of the fish to pathogenic factors and must be determined when feeding. Quality, quantitative, positioning, timing.
V. Pay attention to the management of aquaculture and dispose of abnormal conditions in a timely manner. Adhere to the morning and evening patrol, observe changes in water color and fish activity, feeding conditions, timely adjustment of the amount of feeding; should be based on different water quality conditions to take water, fertilizer, oxygen and other technical measures to solve.
6. Strengthen the investigation, monitoring, early warning and forecasting of aquatic animal epidemics, and make emergency preparations. All relevant departments should strengthen the monitoring of the epidemic situation. Once suspicious epidemics occur, they must immediately report upwards, and do a good job in the emergency preparation of the epidemic early warning and emergency response, in order to ensure that if an outbreak occurs, it can respond quickly and be extinguished locally. Prevent proliferation from spreading.
Measures for Disease Control of Aquaculture after Heavy Rainfall
First, pay close attention to the repair of water destroyed ponds and cages, net enclosures and other facilities. After the flood, some ponds and cages were damaged. The pool embankment should be quickly rebuilt to repair the cages and net enclosures and resume aquaculture production as soon as possible. The mechanical and electrical equipment that is affected by floods, such as oxygen aerators, water pumps, lighting facilities, and feed processing equipment, should also be maintained and maintained as soon as possible to prevent accidents. Due to flooding and entrainment, there is often a lot of silt in the flooded areas and surrounding ponds. The farmers can use the mud pump to remove the sludge from the ponds and the main inlet and outlet, and restore normal pond and river functions.