Table 1.

Phenotypic characteristics of spore forming bacteria strains isolated from contaminated LJ media.

Bacteria group	Colony description	Cell morphology	Gram	Spore	Cat*	oxy **	No. (%)
Group 1	Large, smooth, grey, regular, Haemolytic	Motile rods alone, in pairs and in chain	Gram positive	+ Ellipsoidal and cylindrical, Central and subterminal, not warping	+	+	16 (30.18)
Group 2	Middle, rough. creamy, irregular, non- hemolytic	Motile rods alone and in pairs and in chain	Gram positive	+ Ellipsoidal and cylindrical, Central and subterminal, not warping	+	+/−	11 (20.75)
Group 3	Middle, smooth, creamy, regular,	Motile rods alone and in pairs	Gram positive	+ Ellipsoidal, subterminal, warping	+	+	3 (5.66)
Group4	Large, mucosal, irregular, non- hemolytic	Motile rods alone and in pairs	Gram positive	+Ellipsoidal, subterminal, not warping	+	+	2 (3.77)
Group5	Large, smooth, grey, regular, Non-Haemolytic	Motile rods alone, in pairs and in chain	Gram positive	+ Ellipsoidal and cylindrical, Central and subterminal, not warping	+	+	1 (1.8)
Group6	Small, smooth, creamywhite, regular, non- hemolytic	Motile rods alone and in pairs and in chain	Gram positive	+ Ellipsoidal, Central and subterminal, not warping	+	+	1 (1.8)
Group 7	Large, mucous, transparent, irregular, non- hemolytic	Motile rods alone and in pairs	Gram positive	+ Ellipsoidal, sub terminal, not warping	+	+	1 (1.8)
Group 8	Middle/ Small, smooth, creamy, regular, non- hemolytic	Motile rods alone and in pairs	Gram variable	+ Ellipsoidal or round, Subterminal and terminal, warping	+	+	18(33.9 318)
Total							53 (100)

Cat*: Catalase test.

Oxy**: oxidase test.