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E. coli strains from water and cattle showed different distribution patterns of phylo-groups. E. coli isolates from water were mostly represented in A, B1, and E phylo-groups, with ten (20%), 19 (38%), and eight (16%) isolates, respectively, while no B2 phylo-group was found (Tables 5), as described previously by Unno et al. (2009). There was a greater number of isolates in phylo-groups A and D for cattle isolates with 15 (30%) and 15 (30%) isolates, respectively, while there was one isolate for C, E, and F phylo-groups.

Table 5

Hosts and phylo-groups of the isolates

HostPhylo-groups
TotalShannon–Weaver index
AB1CDEF
No. of isolates from cattle 14 18 15 50 3.305 
No. of isolates from water 10 19 50 3.443 
Total 24 37 20 100  
HostPhylo-groups
TotalShannon–Weaver index
AB1CDEF
No. of isolates from cattle 14 18 15 50 3.305 
No. of isolates from water 10 19 50 3.443 
Total 24 37 20 100  

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