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澳大利亚李斯特菌控制指南ADASC_-_Listeria_control_manual.pdf

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AustralianManual forControlof Listeria inthe DairyIndustry ©ADASC July1999 ListeriaManual TableofContents Page 1.Foreword……………………………………………………………………4 2.PurposeandScope……………………………………………………………5 3.SummaryofCompanyResponsibilities……………………………………6 4.BackgroundonListeria……………………………………………………7 4.1Introduction……………………………………………………………7 4.2SignificanceintheDairyIndustry……………………………………8 4.3PrevalenceofListeriaintheDairyIndustry……………………8 4.3.1OnFarm……………………………………………………8 4.3.2FactoryEnvironments……………………………………9 4.3.3MilkandDairyProducts……………………………………9 4.4OccurrenceofListeriainDairyFactoryEnvironments……………9 5.ListeriaPreventionProcedures……………………………………………10 5.1Introduction……………………………………………………………10 5.2StepstoControlListeriaEntrytoPlantAreas……………………10 5.3StepstoControlListeriaintheProcessingArea……………11 5.3.1EffectivePasteurisation……………………………………11 5.3.2Post-PasteurisationContamination……………………12 5.3.3ACheckListforPost-PasteurisationContamination……18 6.ManagementofListeriaContamination……………………………………19 6.1Notification……………………………………………………………19 6.2ClearanceProgram……………………………………………………19 6.2.1ListeriasppinProduct……………………………………19 6.2.2ListeriamonocytogenesinProduct……………………20 6.3ProcedureforSecuringContaminatedProduct……………………21 7.ExportRequirements……………………………………………………23 8.DisposalofContaminatedProduct……………………………………24 8.1ProductReprocessing……………………………………………24 8.1.1GeneralPrinciples……………………………………………24 8.1.2ConditionsforApproval……………………………………24 8.1.3Procedure……………………………………………………25 8.2SaleofReprocessedProduct……………………………………25 8.3DestructionofListeriamonocytogenesContaminatedProduct25 ADASCLISTERIAREQUIREMENTS.DOCADASC1999 Page2of46 Version2-January2000 ListeriaManual TableofContents Page 9.SamplingforListeriaTesting……………………………………………26 9.1Introduction……………………………………………………………26 9.2SampleSizeandCompositing……………………………………26 9.3Cheese……………………………………………………………26 9.4PasteurisedMilk……………………………………………………26 9.5OtherProducts……………………………………………………26 9.6StageofManufactureforSampling…………