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Survival of shigellae in ewes' milk cheese


, : Survival of shigellae in ewes' milk cheese. Ceskoslovenska Hygiena 22(5): 213-216

Bryndza cheese obtained from normal commercial sources was contaminated artificially with a Shigella sonnei suspension in physiological solution at a rate of 1 million bacteria/100 g. The samples were then stored at different temp. and tested at intervals; selenite broth at pH 7.4-7.6 was used as the medium. At 4 deg C the bacteria remained viable for 72 h, at 20 deg C for 48 h, at 37 deg C for 24 h and at 43 deg C for 5 h.

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Koristek, V.; Tryb, R., 1963: Cancer of the gallbladder and external bile ducts. Rozhledy V Chirurgii 42: 82-86

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