DETECTION OF ESCHERICHIA COLI FROM SUSPECTED TABLE EGG IN DIFFERENT KITCHEN MARKET OF MOHAMMADPUR AREA OF DHAKA CITY

Abstract

The Escherichia coli are a pathogen that is enteropathogenic and causes infection to human and animal sector. It is also a food safety and sanitary indicator. This study was conducted to investigate the E. coli from table chicken egg in Mohammadpur area from January to June 2022. A total of 100 egg samples were collected from different kitchen market of Mohammadpur. Bacteria were isolated & identified based on the colony charactetistics in different media, staining properties and microscopic observation. The colony characteristics of E. coli were greenish red colored with faint metallic sheen in EMB agar and whitish colored in Nutrient agar media. The E. coli observed in rod shaped, gram negative, single or paired arranged under microscope stained with gram's stain. In physical parameter the prevalence of brown with red spotted color, oval shaped, irregular shaped, cracked, leaked, dirty were 25,% 26.67%, 0%, 0%, 10%, 20%, respectively. The higher prevalence of brown with oval shaped was 26.67% and lower prevalence of leaked egg was 10%. The prevalence of Townhall, Agargoan, Paka Market, Krishi Market, Bihari Camp were 15%, 30%, 0, 10% & 20%, respectively. The higher prevalence of Agargaon was 30% and no positive case found in Paka Market.

Keywords: E. coli, Table egg, Mohammadpur, Prevalence