Freezing and salmonella?

J. McGrath jmcg at
Mon Aug 11 20:45:45 EST 1997

Bob Mulroy wrote:

> I was surprised to find that a breeder of large herps was still
> feeding
> them chicken even after all the scare on salmonella.  He said that
> salmonella was killed by deep-freezing, (3 days at -20 C) and wouldn't
> be a problem.
>         Is salmonella killed under such conditions?

   Microorganisms are often stored (with some preparation) in liquid
nitrogen (which is at least 200 degrees F below zero) for months to
years!  Unless their is a "cold sensitive" strain I doubt that this is

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