Table 2.

Morphological and cultural characteristics of the isolated bacteria.

Test	B. cereus	S. aureus	P. aeruginosa	E. coli
Shape of colony	Flat	Raised, circular, entire	Flat	Low convex, entire
Texture	Rigid	Smooth	Smooth	Smooth
Pigmentation	Clear	Goldy yellow	Blue greenish	Clear
Motility	+	-	+	+
Oxygen requirements	Aerobic	Aerobic	Aerobic	Facultative aerobe
Gram reaction	G + ve	G + ve	G-ve	G-ve
Cell shape	Rods single or pairs	Cocci in clusters	Short single rods	Short single rods
Sporulation	+	-	-	-
Capsule	-	-	-	-
Coagulase	+	+	-	-
Hemolysis on blood agar	β	β	β	γ

F facultative, ( +) positive, (-) negative.