From: Escherichia coli phylogenetic group determination and its application in the identification of the major animal source of fecal contamination
Genetic marker
Human
Cow
Chicken
Pig
Sheep
Goat
Total
chuA
48
7
1
9
5
0
70
yjaA
50
2
4
19
77
TspE4.C2
25
32
11
22
13
105