الفهرس 
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Abstract
In this study on the zoonotic importance of E.coli in poultry, a total of 350 poultry inestinal content samples (100 farm chickens, 100 backyard chickens, 50 ducks, 50 geese, and 50 turkeys )were collected from the slaughtered poultry in Ismailia, Egypt. In addition, 200 human samples (100 stool samples and 100 urine samples ) were collected from out clinic patients of Ismailia hospitals. All samples were submitted for bacteriological and molecular examinations for derection of E.coli. Results revealed that the overall prevalence rate of E.coli in the examined poultry intestinal contents was77.7% (272/350). The high prevalence rates of E. coli were in backyard chickens (88%) and ducks (86%) followed in order by geese (72%). farm chickens (70%) and turkeys (70%) with a significant difference (p>0.01). Moreover, detection of high rate of stec of positive E. coli poultry intestinal contents (81.62%0. The differences between the isolation rates of E. coli in the fifferent seasons of poultry species were not significant (p<0.05).