Gene name

Isolation source

Total (n = 25)

Fresh beef from butcher’s shop (n = 3)

Ground beef (n = 7)

Beef burger (n = 15)

eaeA

1 (33.3%)

1(14.28%)

1 (6.66%)

3 (12%)

astA

2 (66.6%)

- (0%)

- (0%)

2 (8%)

eaeA + astA

- (0%)

2 (28.5%)

3 (20%)

5 (20%)