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Information × Registration Number 0223U000700, 0121U110189 , R & D reports Title Develop a system of control and restoration of ecological balance of natural reservoirs polluted by animal by-products popup.stage_title Head Zakharenko Mykola O., Доктор біологічних наук Registration Date 19-01-2023 Organization National University of Life and Environmental Sciences of Ukraine popup.description2  As a result of research into the chemical composition of manure runoff, wastewater from sewage treatment plants of a pig enterprise, and water from ponds, a number of new pollutants of natural water bodies were discovered. These include residues of veterinary drugs used for the treatment and prevention of animal diseases, in particular tetracycline antibiotics, sulfonamide drugs, anthelmintics, and hormones that end up in animal waste, and after their treatment with wastewater from sewage treatment plants, into natural water bodies. The hydrochemical composition of the water of a conditionally clean reservoir and the water polluted by the sewage of a livestock enterprise, the species composition, the number and biomass of zooplankton organisms, macrophytes and phytoplankton of the water, morphometric features, the morphological composition of blood and metabolic indicators of fish were determined, which made it possible to establish new criteria for the ecological assessment of natural reservoirs contaminated with livestock by-products. In ponds polluted by wastewater from livestock enterprises, the concentration of ammonium and nitrate nitrogen in the water, individual macroelements, the total amount of organic pollutants increases, and the mass of macrophytes increases. species composition, number and biomass of phytoplankton and zooplankton organisms, indexes of individual internal organs of fish, morphological composition of blood, activity of enzymes and indicators of metabolism in fish tissues change. The morphological composition of blood, internal organs, and metabolic indicators of fish were studied, which made it possible to establish the main criteria for assessing the ecological state of natural reservoirs contaminated with animal productivity stimulants, in particular the hormone nandrolone, as well as with long-term exposure to aquatic ecosystems of radionuclides. Proposed a universal method for the determination of sulfonamide drugs and a unified me Product Description popup.authors Zaiets Nataliia A. Kashparov Valeriу O. Kurbatova Inna M. Mosiichuk Nataliia А. Poliakovskyi Vasyl M. Ushkalov Valeriy O. Chepil Lyudmila V. popup.nrat_date 2023-01-19 Close