Escherichia coli phylogenetic group determination and its application in the identification of the major animal source of fecal contamination

Table 6 Source and number of E. coli strains used in this study

Source	Number of Strains	References
Human	94	Gomes et al. [39]
Cow	50	Vicente et al. [40]
Chicken	13	Silveira et al. [41]
Pig	39	Isolated according to Vicente et al. [40]
Goat	16	Isolated according to Vicente et al. [40]
Sheep	29	Isolated according to Vicente et al. [40]
Sewage	12	Isolated by CETESB according to Orsi et al. [23]

ISSN: 1471-2180