From: Escherichia coli phylogenetic group determination and its application in the identification of the major animal source of fecal contamination
Phylogenetic subgroup
Human
Cow
Chicken
Pig
Sheep
Goat
A0
0
12
7
4
1
A1
38
2
3
17
B1
8
29
9
20
13
B22
5
B23
D1
26
D2
10
Total
94
50
39
16