Lab 2 ☑️

Lab 3..

All of the enterobacteria motile except shigella and klebsellia

All of the enterobacteria non capsulated except klebsellia

In SS agar
the E. Coli produce pink
- the salmonella produce colorless colonies with H2S production (black center)
-shigella colorless colonies

In the EMB agar
-E. Coli show green metallic sheen due to rapid fermentation
- shigella and salmonella colorless

The production of the indole ring by added kovacs reagent

The medium of the MR test glucose phosphate peptone water

In the MR TEST
E. COLI POSITIVE
KLEBSELLIA NEGATIVE

Voges proskauer produce acetoin
And the result show
E coli negative
Klebsellia positive

The medium of Citrate utilization test simmone Citrate media

And the result of this test
E coli negative green
Klebsellia positive blue

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