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Table 2 Distribution of antimicrobial resistance genes of Salmonella isolates originating from poultry in three Northern provinces of Iran

From: Molecular clonality and antimicrobial resistance in Salmonella entericaserovars Enteritidis and Infantis from broilers in three Northern regions of Iran

Province

No. of isolates

Serotype

No. and (%) of isolates with antimicrobial resistance genes

   

floR

tetA

aadA1

dfrA14

sulI

Int1

Int2

Golestan

13

S. Infantis

0

13 (81)

13 (81)

12 (75)

13 (81)

13 (81)

12 (75)

3

S. Enteritidis

0

0

0

0

0

0

0

Mazandaran

9

S. Infantis

1 (10)

9 (90)

9 (90)

5 (50)

9 (90)

9 (90)

5 (50)

 

1

S. Enteritidis

0

0

0

0

0

0

0

Guilan

5

S. Infantis

0

5 (50)

5 (50)

0

5 (50)

5 (50)

0

5

S. Enteritidis

0

0

0

1 (10)

0

0

0

Total

36

 

1 (3)

27 (75)

27 (75)

18 (50)

27 (75)

27 (75)

17 (47)

  1. All isolates were negative for detection of tetB, tetC, tetG, strA, strB and sulII resistance genes.