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Table 1 Detection of colistin-resistant Escherichia coli in stool samples of livestock

From: Colistin-resistant Escherichia coli with mcr genes in the livestock of rural small-scale farms in Ecuador

(A) Detection of colistin-resistance in farms

  

City

Santo Domingo

Puyo

Farma

A

B

C

D

E

 

Total

Livestock

Pig

Chicken

Pig

Chicken

Pig

Chicken

Pig

Chicken

Pig

Chicken

No. of samples tested

66

 

0

12

5

4

14

0

0

16

15

0

No. of colistin-resistant E. coli positive samples

31

 

0

6

0

3

9

0

0

6

7

0

No. of samples positive/No. of samples tested

31/66 (47.0%)

 

18/35 (51.4%)

13/31 (41.9%)

(B) Detection of colistin-resistance in livestock

 

Pig

Chicken

 

 No. of samples tested

34

32

 

 No. of colistin-resistant E. coli positive samples

16 (47.1%)

15 (46.9%)

 
  1. aA–E means individual farm