Characters Characterization by Popoff et al. Characterization by Sabur Present Results
Gram stain _ _ _
Shape Rod Rod Rod
Motility + + +
Sensitivity to 0129 ND ND -
Oxidase + + +
Catalase + + +
OF test F F F
Acid and gas production from Glucose + + +
Acid production from
Lactose + + +
Sucrose + + +
Maltose + + +
Manitol + + -
Inositol - - -
Sorbitol - - -
Rhamnose - - -
Esculin hydrolysis ND ND +
Methyl-red test - - -
Voges-Proskaur + + +
Indole + + +
Arginine decomposition + + +
Lysine decarboxilation - - _
Ornithine decarboxilation - - _
Citrate utilization + + +
Growth at: 4ºC - - -
5ºC + + +
37°C + + +
40°C - - -
- : Negative, + : Positive, F : Fermentative , ND : Not done
Table 2: Similarities of collected isolates with A. hydrophila in comparison to Popoff and Sabur.