Article
Raw and processed fish show identical Listeria monocytogenes genotypes with pulsed-field gel electrophoresis.
Journal of food protection - 1 Jun 2005
Markkula Annukka, Autio Tiina, Lundén Janne, Korkeala Hannu
Abstract excerpt
A total of 257 raw fish samples at two different sites were examined for the presence of Listeria monocytogenes. The prevalence of L. monocytogenes was 4%. From 11 positive samples, nine different L. monocytogenes pulsed-field gel electrophoresis genotypes were recovered. From nine pulsotypes recovered from raw fish and 32 pulsotypes shown by 101 fish product isolates, two raw fish and fish product pulsotypes...
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