Long-Term Survival of Mycobacterium avium subsp. paratuberculosis in Fecal Samples Obtained from Naturally Infected Cows and Stored at -18°C and -70°C.

Vet Med Int · 2011 · PMC3157033 · PMID 21860811

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showed a trendno p-value reported

Nevertheless, Map in samples storage at −70°C showed a trend for twice (OR = 2.2) longer survival which can result from the relatively small sample size stored at −70°C.

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