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Kisil, D. and Fotina, T. 2021. Definition of efficiency therapeutic and preventive measures against infectious diseases of bees when installing in a nest of bees frames contaminated with american foul brood pathogen (Bacillus larvae) . Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine. 1 (48) (Jan. 2021), 32-36. DOI:https://doi.org/10.32845/bsnau.vet.2020.1.5.