BS EN 15789-2009 动物饲料.酵母益生菌的分离和计数

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【英文标准名称】:Animalfeedingstuffs-Isolationandenumerationofyeastprobioticstrains
【原文标准名称】:动物饲料.酵母益生菌的分离和计数
【标准号】:BSEN15789-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-09-30
【实施或试行日期】:2009-09-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:添加剂;农产品;农业;饲料;化学分析和测试;菌落计数技术;计数;定义(术语);含量测定;孵育;接种;仪器;实验室间试验;研究方法;分析方法;微量分析;微量化学分析;微菌落计数;微生物;形态学;试样;抽样方法;分离;系统论;试验报告;酵母
【英文主题词】:Additives;Agriculturalproducts;Agriculture;Animalfeed;Chemicalanalysisandtesting;Colonycounttechniques;Counting;Definitions;Determinationofcontent;Incubation;Inoculation;Instruments;Inter-laboratorytests;Investigationmethods;Methodsofanalysis;Microanalysis;Microchemicalanalysis;Microcolonycounts;Micro-organisms;Morphology;Samples;Samplingmethods;Separation;Systemology;Testreport;Yeast
【摘要】:ThisEuropeanStandarddefinesgeneralrulesfortheenumerationofprobioticyeastsinfeedsamples(additives,premixturesandfeedingstuffs)thatcontainyeastasasinglemicroorganismcomponentorinamixturewithothermicroorganisms.Thestandardisnotapplicabletomineralfeedswhicharedefinedascomplementaryfeedingstuffscomposedmainlyofmineralsandcontainingatleast40%crudeash(CouncilDirective79/373/EEC)[4].Therearedifferentcategoriesoffeedsamples:a)Additiveswhichcontainabout10CFU/gto10CFU/g(CFU=colonyformingunits):b)Premixtureswhichcontainabout10CFU/g,c)Feeds,mealorpellets,whichcontainabout10CFU/gandincludecompletefeedingstuffs,andmilkreplacers.ThedetectionlimitisasdefinedinENISO7218.
【中国标准分类号】:B46
【国际标准分类号】:65_120
【页数】:18P.;A4
【正文语种】:英语