Table 3 Virulence genes distribution and antimicrobial resistance genes among A. hydrophila isolates (n = 38)

Gene function

Target gene

Prevalence

Statistical analyses

No

%

Confirmatory gene

16 S rRNA

38

100

104.73

P < 0.0001

Virulence genes

aerA

22

57.9

ser

11

28.9

alt

10

26.3

ast

5

13.1

act

3

7.9

hlyA

3

7.9

nuc

7

18.4

aha

0

0

Antimicrobial-resistance genes

β-lactamase pse1

38

100

15.505

0.001432

β-lactamase SHV

16

42.1

sul1

16

42.1

tetA

23

60.5