Occurrence And Antimicrobial Resistance Of Salmonella Spp. Staphylococcus Aureus And Escherichia Coli O157h7 From Chicken Eggs In Retail Market Small Scale Poultry Production Center In Addis Ketema Sub City Addis Ababa Ethio

Background: Chicken egg is considered as a nutritionally complete food and an excellent sourcernof protein. While highly nutritious, eggs are also one of the leading causes of food poisoning andrnfood borne illness in the world. In poultry industries antibiotics are used as a method ofrnpreventing, growth promoters and treating illness within the flocks. This contributes to therndevelopment of bacterial resistance to antibiotics. rnObjective: To assess the occurrence and antimicrobial resistance pattern of Salmonella spp.,rnStaphylococcus aureus and Escherichia Coli O157:H7 from chicken eggs in Addis Ketema subrncity, Addis Ababa, Ethiopia. rnMethods: A total of 380 eggs (76 composite sample) were collected from small scale producersrnand retail markets in the study area over a period of 6-month. The eggs were screened forrnSalmonella spp., S. aureus and E. coli O157:H7 following standard procedures. Isolated bacteriarnwere subjected to antimicrobial susceptibility test. Frequencies were used to assess the magnitudernof microorganisms on shells and in egg contents. Independent and dependent variables werernassociated by kruskal Wallis tests using SPSS version 23. rnResults: About 14(9.2 %), 9(5.9 %) and 18(11.8 %) of the 76 composite samples were positivernfor Salmonella spp., S. aureus and E. coli O157:H7 respectively. The shells showed significantlyrnhigher (p

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