Effects of complex of ß-cyclodextrin with levofloxacin on lethal qualities of Russian and Siberian sturgeon hybrid in regulated conditions

When producing aquaculture products in conditions of increased planting densities aquatic organisms, it is not always possible to avoid various diseases and injuries. The use therapeutic baths feeds often does al-low achieve a positive effect. Therefore, the cyclodextrin nanosponge with prophylactic agents included their cavity will allow targeted effect on bioavailability substances formation productive indicators hydrobionts already since early postnatal ontogenesis. All this contribute improvement industrial technology for growing table valuable fish species, characterized by higher survival productivity. antibiotic levofloxacin, broad-spectrum antimicrobial bactericidal agent fluoroquinolone group, was chosen as EDN agent. There presented information complex β-cyclodextrin levofloxacin lethal qualities Russian Siberian sturgeon hybrid different live weight. influence pre-slaughter mass, mass individual internal organs, fatness coefficient, indices organs individuals studied according two stages experiment performed laboratory “Progressive Biotechnologies Aquaculture” Vavilov University. results control slaughter demonstrate highest values 2nd experimental group treated main diet at first stage chitosan-β-cyclodextrin dosages levofloxacin. Its exceeded muscle tissue index, respectively. Thus, there no negative an functional state tissues fish. obtained expand about cultivation using nanosponge.