What kind of agar does salmonella typhi grow on?

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2026-02-24 08:00

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Salmonella typhi can be grown on several types of agar, but it is commonly cultured on MacConkey agar, where it appears as colorless colonies due to its inability to ferment lactose. Additionally, it can be grown on XLD (Xylose Lysine Deoxycholate) agar, where it typically produces red colonies with black centers due to hydrogen sulfide production. Bile salts or selective media like Hektoen enteric agar can also be used to isolate S. typhi.

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