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dc.contributor.authorvan de Giessen AW*
dc.contributor.authorBerkers PATA*
dc.contributor.authorRitmeester WS*
dc.contributor.authorNotermans SHW*
dc.date.accessioned2014-01-17T14:09:45
dc.date.issued1992-03-31
dc.identifier149104003
dc.description.abstractStudies were carried out in 1991 on the efficacy of sterilisation processes at three rendering plants for dead animals and animal wastes in the Netherlands. Spores of sulfite reducing clostridia were detected in 4.8% of the samples taken directly after autoclaving. However, C.perfringens was not detected. Salmonella was detected in one sample (5%) of final products from plant C, and no Salmonella was detected in samples of final products from plants A and B. At plants A and C Salmonella was detected in 7.4% and 65.0% respectively of samples of dust taken from the processing halls. At plant B no dust samples were examined. In 93.5% of samples of final products the number of Enterobacteriaceae was less than 10 cfu per gram. Higher numbers of Enterobacteriaceae were detected incidentally in samples of final products from plants A and B and in dust samples from plant A, but frequently in dust samples from plant C. The results indicate poor hygienic conditions at plant C. This plant has been closed down in june 1991.<br>
dc.description.sponsorshipVHI
dc.format.extent24 p
dc.language.isonl
dc.publisherRijksinstituut voor Volksgezondheid en Milieu RIVM
dc.relation.ispartofRIVM Rapport 149104003
dc.relation.urlhttp://www.rivm.nl/bibliotheek/rapporten/149104003.html
dc.subject01nl
dc.subjectdestructiebedrijvennl
dc.subjecthygienenl
dc.subjectsteriliserennl
dc.subjectmicro-organismennl
dc.subjectenterobacteriaceaenl
dc.subjectsalmonellanl
dc.subjectrendering plantsen
dc.subjecthygieneen
dc.subjectsterilizationen
dc.subjectmicroorganismsen
dc.subjectenterobacteriaceaeen
dc.subjectsalmonellaen
dc.titleMicrobiologisch onderzoek destructoren 1991nl
dc.title.alternativeMicrobiological research, destructors 1991en
dc.typeOnderzoeksrapport
dc.date.updated2014-01-17T13:12:16Z
html.description.abstractStudies were carried out in 1991 on the efficacy of sterilisation processes at three rendering plants for dead animals and animal wastes in the Netherlands. Spores of sulfite reducing clostridia were detected in 4.8% of the samples taken directly after autoclaving. However, C.perfringens was not detected. Salmonella was detected in one sample (5%) of final products from plant C, and no Salmonella was detected in samples of final products from plants A and B. At plants A and C Salmonella was detected in 7.4% and 65.0% respectively of samples of dust taken from the processing halls. At plant B no dust samples were examined. In 93.5% of samples of final products the number of Enterobacteriaceae was less than 10 cfu per gram. Higher numbers of Enterobacteriaceae were detected incidentally in samples of final products from plants A and B and in dust samples from plant A, but frequently in dust samples from plant C. The results indicate poor hygienic conditions at plant C. This plant has been closed down in june 1991.&lt;br&gt;


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