Table 3
Occurrence of fish bacteria in the different fish production systems in Uganda

Bacteria

Type of production system n (%)

Ponds (n = 33)

Cages (n = 5)

Wild (n = 8)

Tanks (n = 2)

Total

Aeromonas hydrophila

13 (39.4)

3 (60.0)

3 (37.5)

2 (100.0)

21 (43.8)

Aeromonas sobria

8 (24.2)

1 (20.0)

1 (12.5)

0 (0.00)

10 (20.8)

Edwardsiella tarda

2 (6.1)

1 (20.0)

0 (0.00)

1 (50.0)

4 (8.3)

Flavobacterium spp.

1 (3.0)

1 (20.0)

0 (0.00)

0 (0.00

2 (4.2)

Streptococcus spp.

1 (3.0)

2 (40.0))

0 (0.00)

0 (0.00

3 (6.3)

Pseudomonas aeruginosa

2 (6.1)

0 (0.00)

0 (0.00)

0 (0.00

2 (4.2)

Pseudomonas fluorescens

3 (9.1)

1 (20.0)

1 (12.5)

0 (0.00

5 (10.4)

Vibrio cholerae

5 (15.2)

0 (0.00)

0 (0.00)

0 (0.00

5 (10.4)

Ralstonia picketti

1 (3.0)

0 (0.00)

0 (0.00)

0 (0.00

1 (2.1)

Comamonas testosteroni

4 (12.1)

0 (0.00)

0 (0.00)

0 (0.00

4 (8.3)

Citrobacter freundii

0 (0.00)

2 (40.0)

0 (0.00)

0 (0.00

2 (4.2)

Plesiomonas shigelloides

9 (27.3)

2 (40.0)

1 (12.5)

0 (0.00

12 (25.0)

Chryseobacterium indoligenes

5 (15.2)

1 (20.0)

0 (0.00)

0 (0.00

6 (12.5)

Pseudomonas stutzeri

1 (3.0)

0 (0.00)

0 (0.00)

0 (0.00

1 (2.1)

Burkholderia cepacia

1 (3.0)

0 (0.00)

0 (0.00)

0 (0.00

1 (2.1)

Klebsiella spp.

1 (3.0)

0 (0.00)

1 (12.5)

0 (0.00

2 (4.2)

Serratia marcescens

0 (0.00)

2 (40.0)

0 (0.00)

0 (0.00

2 (4.2)

Proteus spp.

1 (3.0)

1 (20.0)

1 (12.5)

0 (0.00

3 (6.3)

Unidentified bacteria

8 (24.0)

1 (20.0)

2 (25.0)

1 (50.0)

12 (25.0)