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Isolation, Identification and Antibiotic Sensitivity Pattern of Salmonella spp from Locally Isolated Egg Samples


Md. Atikur Rahman1, Azizul Haque2*, Tasnim Ahmad3, Shahriar Mahmud3, Shaharuq Nahid Sohana3Md. Rajib Hossain4, Nirmal Chandra Barman3, Md Badiruzzaman5, Tofajjal Hossain6, Md. Sherajul Haque6, Md. Ekhlas Uddin7, and Rokeya Ahmed1


1Dept. of Microbiology, Gono Bishwabidyalay, Dhaka, Bangladesh; 2Dept. of Microbiology, University of Chittagong, Bangladesh; 3Dept. of Biotechnology and Genetic Engineering, Islamic University, Bangladesh; 4Dept. of Environmental Science & Disaster Management, BSMRSTU, Gopalganj, Bangladesh; 5Dept. of Biochemistry and Molecular Biology, University of Dhaka, Bangladesh; 6Dept. of Physiotherapy, Gono Bishwabidalay, Dhaka, Bangladesh; 7Dept. of Biochemistry and Molecular Biology, Gono Bishwabidyalay, Dhaka, Bangladesh 

*Correspondence: microaziz95@gmail.com

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ABSTRACT
Salmonella has been found to be the major foodborne disease in the world with a serious public health problem. The presence of any serotype of Salmonella in food under that food unfit for human consumption. Poultry eggs are considered as major sources for these pathogenic microorganisms. The current study was carried out to isolate and identify the Salmonella spp from egg samples collected from different retailer markets and farms of the Savar area, Bangladesh. Antibiotic susceptibility test was also done to determine the resistance pattern. A total of 50 poultry eggs were examined. Salmonella spp were isolated by culturing on the selective plate and characterized by biochemical tests. In the present study, the average prevalence of Salmonella was found to be 100% from the outer surface of eggs and 20% from eggs yolk. All identified isolates were tested for antibiotic susceptibility to six commonly used antimicrobials by the disk diffusion technique. The highest percentage of resistance (60%) was found in Chloramphenicol, Ampicillin, Gentamicin, and Tetracycline. Salmonella isolated from egg surface were found more antibiotic-resistant than that of egg yolk. The present study suggests that poultry eggs are a potential reservoir of antibiotic-resistant Salmonella.


Keywords: Salmonella, Antibiotic sensitivity, Isolation, Egg, Pattern, and Foodborne diseases.


Citation: Rahman MA, Haque A, Ahmad T, Mahmud S, Sohana SN, Hossain MR, Barman NC, Badiruzzaman M, Hossain T, Haque MS, Uddin ME, and Ahmed R. (2019). Isolation, identification, and antibiotic sensitivity pattern of Salmonella spp from locally isolated egg samples. Am. J. Pure Appl. Sci., 1(1), 1-11. https://doi.org/10.34104/ajpab.019.019111


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