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Table 2 Distribution of bacteria in the kidney, liver and intestine of live fish caught from Lakes Hawassa, Langanoo and Ziway (N = 210)

From: Isolation and identification of major bacteria from three Ethiopian rift valley lakes live and processed fish, and water samples: implications in sanitary system of fish products

Isolated bacteria

Intestine, n(%)

Kidney, n(%)

Liver, n(%)

Total, n(%)

P-value

A. sobria

1(0.5)

-

2(1.4)

3(1.4)

0.064

C. freundii

2(0.9)

-

1(0.5)

3(1.4)

0.244

C. koseri

2(0.9)

1(0.5)

-

3(1.4)

0.064

E. tarda

4(1.9)

2(0.9)

4(1.9)

10(4.8)

0.332

E. aerogenes

1(0.5)

3(2.1)

1(0.5)

5(2.4)

0.394

E. cloacae+

2(0.9)

2(0.9)

1(0.5)

5(2.4)

0.630

E. coli*

5(2.4)

2(0.9)

5(3.6)

12(5.7)

0.104

K. pneumoniae

1(0.5)

2(0.9)

1(0.5)

4(1.9)

0.579

P. shigelloides

1(0.5)

2(0.9)

-

3(1.4)

0.244

P. aeruginosa

2(0.9)

1(0.5)

1(0.5)

4(1.9)

0.702

S. paraTyphi

3(1.4)

2(0.9)

2(0.9)

7(3.3)

0.770

S. Typhi

4(1.9)

1(0.5)

2(0.9)

7(3.3)

0.406

S. dysenteriae

3(1.4)

-

3(1.4)

6(2.9)

0.262

S. flexneri

3(1.4)

-

3(1.4)

6(2.9)

0.166

V. parahemolyticus

3(1.4)

1(0.5)

-

4(1.9)

0.048*

Total

37(17.6)

19(9.1)

26(12.4)

82(39.1)

< 0.0001*

  1. As Aeromonas sobria, Cf Citrobacter freundii, Ck Citrobacter koseri, Ct Edwardsiella tarda, Ea Enterobacter aerogenes, Ec+ Enterobacter cloacae, Ec*i Escherichia coli, Kp Klebsiella pneumonia, Ps Plesiomonas shigelloides, Pa Pseudomonas aeruginosa, Sp Salmonella Paratyphi, St Salmonella typhi, Sd Shigella dysenteriae, Sf Shigella flexneri, Vp Vibrio parahemolyticus
  2. * means significant at 5% level