Antibiotic and Disinfectant Susceptibility Patterns of Bacteria Isolated from Farmed Fish in Kirinyaga County, Kenya
Table 5
Inhibitory activity of disinfectants on bacterial isolates.
Bacterial strains
Sodium hypochlorite
Iodine
Hydrogen peroxide
Formalin
QAC
1%
2%
0.5%
1%
1%
3%
1%
2%
1%
1.5%
Aer. hydrophila
_
_
_
+
+++
+++
++
++
_
_
Proteus spp.
_
_
+
+
+++
+++
++
+++
_
_
Kleb. pneumoniae
_
_
_
+
+++
+++
+
++
_
_
Citrobacter freundii
_
_
_
+
+++
+++
++
+++
_
+
Salm. enteritidis
_
_
_
++
+++
+++
++
++
_
_
Streptococcus spp.
_
_
_
+
+++
+++
++
+++
_
+
Escherichia coli
_
_
_
_
+++
+++
++
+++
_
+
Ser. marcescens
_
_
_
+
++
+++
++
++
_
_
Ps. aeruginosa
_
_
_
_
++
+++
+
++
_
++
Micrococcus spp.
_
_
+
++
++
+++
++
+++
+
++
Mean inhibition
_
_
_
+
++
+++
++
+++
_
+
User-recommended concentration by the manufacturer; the concentrations are as recommended by Noga [16]; QAC- quaternary ammonium compound; Aer.- Aeromonas; Kleb.- Klebsiella; Salm.- Salmonella; Ser.- Serratia; Ps.- Pseudomonas.