Table 1 Analytical profile index (API) 20E of isolated A. hydrophila.

From: In-vitro and in-vivo assessment of the bactericidal potential of peracetic acid and hydrogen peroxide disinfectants against A. hydrophila infection in Nile tilapia and their effect on water quality indices and fish stress biomarkers

API 2O E TEST

A. hydrophila

Biochemical tests

Reactions/Enzymes

ONPG

ß-galactosidase

+ve*

ADH

Arginine Di Hydrolase

+ve

LDC

Lysine Decarboxylase

+ve

ODC

Ornithine Decarboxylase

−ve*

CIT

Citrate utilization

−ve

H2S

H2S production

−ve

URE

Urease

−ve

TDA

Tryptophane Deaminase

−ve

IND

Indole production

−ve

V.P

Acetoin production (Voges Proskauer)

−ve

GEL

Gelatin

+ve

GLU

Fermentation / oxidation Glucose

+ve

MAN

Fermentation / oxidation Mannitol

+ve

INO

Fermentation / oxidation Inositol

−ve

SOR

Fermentation / oxidation Sorbitol

−ve

RHA

Fermentation / oxidation Rhamnose

−ve

SAC

Fermentation / oxidation Saccharose

+ve

MEL

Fermentation / oxidation Melibiose

−ve

AMY

Fermentation / oxidation Amygdalin

+ve

ARA

Fermentation / oxidation Arabinose

+ve

OX

Cytochrome-Oxidase

+ve

NO2

NO2 production

+ve

  1. * −ve, negative reaction; +ve, positive reaction.