Cultural characteristics

Biochemical reactions

Organism

Morphology

Indol
forma-
tion

Plain agar
slant

Plain
broth

Potato

Gelatin

Litmus
milk

Bhowali

Non-motile rods 0.8

Gray,

Turbid

Grayish

Not

Very

Not

organism.

to 1.8 microns long,

moist,

with

yellow

lique-

slight

form-

occurring singly or

glisten-

sedi-

growth

fied.

acidity

ed.

in short chains,

ing

ment.

slightly

followed

sometimes showing
peripheral but not
bipolar staining.
Gram negative.

colonies.

dry.

by alka-
linity.

S. galli-

Ditto .

Do.

Do

Do.

Do.

Do.

Do.

narum

"type"

English

strain.

S. Pullorum

Non-motile rods 1.0

Discrete

Do.

Moist,

Do.

Do.

"type"

to 2.5 microns long

trans-

deep

English

mostly occurring

lucent,

grayish

strain.

singly.

moist,
glisten-

yellow,
glisten-

Gram negative.

ing

ing.

colonies.