Prevalence of contamination of eggs from retail markets by Listeria monocytogenes and Streptococcus spp in Ardabil, Iran

سال انتشار: 1400
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 222

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شناسه ملی سند علمی:

MEDISM22_209

تاریخ نمایه سازی: 8 مهر 1400

چکیده مقاله:

Background and Aim : Bacterial zoonotic diseases are one of the most important health problems in human societies which in this category, food-borne diseases are special importance. Contaminated eggs are increasing the risks of illness in humans. The purpose of this study was to survey the contamination of eggs to Listeria monocytogenes and Streptococcus spp in retail markets Ardabil city of Iran.Methods : A total of ۲۴۰ eggs (۸۰ local eggs, ۸۰ bulk eggs and ۸۰ labeled industrial eggs) were collected randomly from different retail stores of Ardabil from December ۲۰۱۹ to June ۲۰۲۰. Collected eggs under sterile conditions were transferred to the food microbiology lab to be tested. The shell and contents of the eggs cultured for those bacteria on selective agar and standard microbiological tests performed toidentify the isolated organism.Results : The performed survey showed that there was no contamination by L. monocytogens in all ۲۴۰ eggs. However, ۵ samples (۱.۶۶% ) out of ۲۴۰ samples were contamination by Streptococcus spp. ۲۳۵ samples were negative for Streptococcus spp (۹۸.۳۴%). The highest contamination to Streptococcus spp was seen in local eggs (۸۰%) and the lowest contamination in bulk eggs (۲۰%).Conclusion : The results of this study indicate that L. monocytogens contamination of eggs does not make up a serious health hazard in this area, While there is contamination with Streptococcus spp. It seems necessary to pay attention to hygienic points in cooking eggs.

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نویسندگان

Aidin Azizpour

Associate Professor of Poulry Diseases, University of Mohaghegh Ardabili, Ardabil, Iran

Saeed Seifi

Associate Professor of Poulry Diseases, Amol University of Special Modern Technologies, Amol, Iran