The article presents the results of studies conducted during 2021 on the circulation of bacterial pathogens among poultry (chickens, turkeys) from industrial and private households in Ukraine, as well as the microbiological contamination of feed and components for their production. 138 isolates of bacterial cultures were isolated from chickens in poultry farms of various forms of ownership, and 12 cultures of microorganisms were isolated from turkeys of different ages in private households. The circulation of a wide range of microorganisms from the families Enterobacteriaceae, Staphylococcaceae, Enterococcaceae, Pseudomonadaceae, Clostridiaceae, Mycoplasmataceae was established in poultry, in particular, three isolates of the causative agent of toxic infections – Salmonella Enteritidis were isolated. 31.4% (16 samples out of 51 tested) of compound feed and their components did not comply with the quality and safety criteria. The main bacterial contaminants of the feed were conditionally pathogenic microorganisms of the Enterobacteriaceae, Bacillaceae, Pseudomonadaceae, Enterococcaceae and Staphylococcaceae families. In addition, a culture of Salmonella spp. was isolated from one feed sample. In the future our researches may be directed to the role of the natural reservoir of pathogens (especially poultry and wild birds) in the formation of antibiotic resistant forms of bacteria
Keywords: bacterial diseases, contamination, feed
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