THE USE OF R2A MEDIUM AND THE SPREAD PLATE METHOD FOR THE ENUMERATION OF HETEROTROPHIC BACTERIA IN DRINKING-WATER

被引：29

作者：

GIBBS, RA ^{[1
]}

HAYES, CR ^{[1
]}

机构：

[1] ANGLIAN WATER LAB,GRAFHAM WATER TREATMENT WORKS,HUNTINGDON PE18 0BW,ENGLAND

来源：

LETTERS IN APPLIED MICROBIOLOGY | 1988年 / 6卷 / 02期

关键词：

D O I：

10.1111/j.1472-765X.1988.tb01205.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The pour plate method with yeast extract agar and a 3 d incubation period is the standard method in the UK for the enumeration of heterotrophic bacteria in drinking water. We have compared the standard method with other procedures using the spread plate technique, R2A medium and a longer incubation period. The R2A spread plate method with a 7 d incubation period gave an average estimate of bacterial numbers 520 times greater than for the standard method. This alternative method is recommended for obtaining a more accurate estimate of heterotrophic bacterial populations in drinking water. © 1988 Oxford University Press. All rights reserved.

引用

页码：19 / 21

页数：3

共 12 条

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