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. 2023 Dec 8;23:392. doi: 10.1186/s12866-023-03118-y

Table 2.

Colistin resistance encoding mcr genes in E. coli isolates from broiler chicken and farm environment in Kelantan, Malaysia (n = 48)

Sample type mcr-1 mcr-4 mcr-5 mcr-6 mcr-7 mcr-8 mcr-9 Grand total
Cloacal Swab 7 - - 4 1 3 1 16
Drinking water 2 - - 3 - 5
Environmental 7 - - 1 4 2 - 14
Fecal 2 1 1 1 - - 5
Food 3 - 1 1 5
Litter 2 - - 1 3
Grand Total 23 1 1 6 7 9 1 48