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CEN - PREN 17720

Plant biostimulants - Determination of Enterococcaceae

pending
Organization: CEN
Publication Date: 1 April 2023
Status: pending
Page Count: 20
ICS Code (Fertilizers): 65.080
scope:

This methodology has been developed to determine enterococci in biostimulants as a single microorganism component or in a mixture with other microorganisms. This document is not applicable to mineral fertilizers that are defined as complementary feeding stuffs composed mainly of minerals and containing at least 40 % crude ash (Council Directive 79/373/EEC) [3].

Document History

PREN 17720
April 1, 2023
Plant biostimulants - Determination of Enterococcaceae
This methodology has been developed to determine enterococci in biostimulants as a single microorganism component or in a mixture with other microorganisms. This document is not applicable to mineral...
CEN/TS 17720
March 1, 2022
Plant biostimulants - Determination of Enterococcaceae
This methodology has been developed to determine enterococci in biostimulants as a single microorganism component or in a mixture with other microorganisms. This document is not applicable to mineral...

References

This document references:
EN 15788 - Animal feeding stuffs: Methods of sampling and analysis - Detection and enumeration of Enterococcus (E. faecium) spp. used as feed additive
Published by CEN on November 1, 2021
This document specifies general rules for the enumeration of enterococci (E. faecium) in feeding stuffs (additives, premixtures and compound feeds excluding mineral feeds) that contain enterococci as...
This document references:
EN ISO 11133 - Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media
Published by CEN on May 1, 2014
This International Standard defines terms related to quality assurance of culture media and specifies the requirements for the preparation of culture media intended for the microbiological analysis...
This document references:
EN ISO 6887-1 - Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions
Published by CEN on April 1, 2017
This document defines general rules for the aerobic preparation of the initial suspension and of dilutions for microbiological examinations of products intended for human or animal consumption. This...
This document references:
EN ISO 7218 - Microbiology of food and animal feeding stuffs - General requirements and guidance for microbiological examinations
Published by CEN on August 1, 2007
This International Standard gives general requirements and guidance/options intended for three main uses: - implementation of ISO/TC 34/SC 9 or I SO/TC 34/SC 5 standards for detection or enumeration...
This document references:
EN ISO 7899-2 - Water Quality - Detection and Enumeration of Intestinal Enterococci - Part 2: Membrane Filtration Method
Published by CEN on April 1, 2000
A description is not available for this item.
This document references:
ISO 5725-2 - Accuracy (trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
Published by ISO on December 1, 2019
This document — amplifies the general principles for designing experiments for the numerical estimation of the precision of measurement methods by means of a collaborative interlaboratory experiment;...
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