Colony Morphology Grams rxn Citrate Oxidase Catalase Indole MR VP Glucose Sucrose Glucose Lactose Fructose Maltose Mannitol Probable Genus
Round creamy flat colony with a glistering surface +vecocci + + + - + - + NT NT NT NT NT A Staphylo coccussp
Irregular creamy flat colony -ve rod - - + + + - + AG AG AG NR A A Escherichia coli
Roundish wavy flat cream colony -ve rods + - + - + - + AG AG AG AG A A Klebsiellasp
Round to spreading colony with yellow-green pigment. -ve rods + + - - + - + NR A NR NR AG NR Pseudomonas fluorescens
Grey-white Irregularcolonies with wavy edge. Non haemolytic on blood agar. +ve sporing rods + - + - NR NR + NR AG NR NR AG NR Bacillus mycoides
Roundish cream colony with entire edge, grows on 4% NaCl. -ve rods + - + + + - + AG AG AG NR NR NR Acinetobacter baumanni
Legend: -ve = negative; +ve = positive; + = positive reaction; - = negative reaction, NR = no reaction; AG = acid and gas production; A = acid production, sp =specie, NT = not tested
Table 2: Phenotypic and biochemical characterization of probable bacterial isolates.