Table 2.

Summary of Biochemical Tests done for Preliminary Identification.

Biochemical Test
Isolate Code	Gram Stain	Catalase	Oxidase	Indole	Urease	MR	Citrate	Lactose	H2S
MA1	+	-	+	+	-	-	+	+	+
MA2	-	+	+	-	-	-	+	-	-
MA3	-	+	+	-	-	-	+	-	-
MA4	-	+	+	-	-	-	+	-	-
MA5	-	+	+	-	-	-	+	-	-
MA6	+	+	+	-	-	-	+	-	-
MA7	-	+	+	-	-	-	+	-	-
MA8	-	-	+	-	-	-	+	-	-
MA9	-	+	+	-	-	-	+	-	-
MA10	+	+	+	-	-	-	-	-	-
MA11	-	+	+	-	-	-	+	-	-
MA12	-	+	+	-	-	-	+	-	-
MA13	-	+	+	-	-	-	+	+	-
MA14	-	+	+	-	-	-	+	-	-
MA15	-	+	+	-	-	-	+	-	-
MA16	+	+	+	+	-	-	-	+	+
MA17	-	-	+	-	-	-	+	+	-
MA18	-	-	+	-	-	-	+	+	-

Abbreviation: MR; Methyl-Red, H₂S; Hydrogen Sulfide.