SN/T 1944-2016 English PDF

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SN/T 1944-2016: Detection of antimicrobial resistance of the bacteria in animaland animal products--Disk diffusion testing
Status: Valid

SN/T 1944: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1944-2016	419	Add to Cart	4 days	Detection of antimicrobial resistance of the bacteria in animaland animal products--Disk diffusion testing	Valid
SN/T 1944-2007	639	Add to Cart	3 days	Detection of antimicrobial resistance of bacteria in animal and animal products. Disk diffusion testing	Obsolete

Similar standards

GB/T 39760   GB/T 35892   GB/T 35823   

Basic data

Standard ID: SN/T 1944-2016 (SN/T1944-2016)
Description (Translated English): Detection of antimicrobial resistance of the bacteria in animaland animal products--Disk diffusion testing
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B44
Classification of International Standard: 65.020.30
Word Count Estimation: 18,183
Date of Issue: 2016-08-23
Date of Implementation: 2017-03-01
Older Standard (superseded by this standard): SN/T 1944-2007
Regulation (derived from): State-Quality-Inspection-Accredidation (2016) No.438
Issuing agency(ies): General Administration of Customs

SN/T 1944-2016: Detection of antimicrobial resistance of the bacteria in animaland animal products--Disk diffusion testing

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Detection of antimicrobial resistance of the bacteria in animaland animal products--Disk diffusion testing China's entry-exit inspection and quarantine industry standards Replacing SN/T 1944-2007 Determination of bacterial resistance in animals and their products Disc diffusion method Published on.2016-08-23 2017-03-01 Implementation China The State Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces SN/T 1944-2007 "Determination of Bacterial Resistance in Animals and Their Products by Disc Diffusion Method", and SN/T 1944- Compared with.2007, the main technical changes are as follows. --- Detection method and appendix section refer to the American Institute of Clinical and Laboratory Standards CLSIM100-S24 (2014) Sensitivity test implementation standards, CLSIM02-A11 (2012) "Antimicrobial susceptibility test disc diffusion method operating standards" and CLSIM31-A3 (2008) "Executive standard for susceptibility testing of animal-derived bacterial antibiotics". --- Normative references to replace SN 0170 with GB 4789.4. --- The principle of the method and laboratory self-made antibacterial drug sheet method were deleted. --- Addition of animal-specific routine reporting trials to the Antimicrobial Proposal Subgroup to be considered in Appendix D Drug resistance test report drug. --- Appendix E Determination of Enterobacteriaceae Producing Carbapenemase by Addition of Determination of Specific Resistance Mechanisms This standard was proposed and managed by the National Certification and Accreditation Regulatory Commission of the People's Republic of China. This standard is drafted by the Shanghai Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Han Wei, Xie Xiaoyu, Wang Hao, Yuan Chengang. The previous versions of the standards replaced by this standard are. ---SN/T 1944-2007. Determination of bacterial resistance in animals and their products Disc diffusion method

1 Scope

This standard specifies paper diffusion detection methods for bacterial resistance in animals and their products. This standard applies to the detection of drug resistance of Escherichia coli, Salmonella and Staphylococcus aureus isolated from animals and their products. The determination of drug resistance of his animal-derived bacteria can be referred to the implementation of this method.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB 4789.4 Food Safety National Standard Food Microbiological Examination Salmonella Inspection GB/T 4789.6 Microbiological examination of food hygiene for diarrhea-producing Escherichia coli GB 4789.10 National Food Safety Standard Food Microbiology Inspection of Staphylococcus aureus

3 Definitions and Terms

3.1 Bacterial resistance antimicrobialresistance After repeated contact with bacteria and antibacterial drugs, the sensitivity to drugs gradually weakened, and even resisted without being inhibited and killed, the bacteria This type of property is called drug resistance. It is usually measured by Antimicrobial Susceptibility Testing (AST). The results can be expressed as sensitive (S), intermediate (I), and resistant (R). 3.2 Sensitive susceptible(S) With conventional dosages, bacterial growth is inhibited by the level of antimicrobial drug attainable. 3.3 Intermediaries intermediate(I) Conventional doses of antibacterial drugs are less effective against bacteria than susceptible strains, drugs are effective at physiological concentrations or can be used above normal agents Measured for treatment. 3.4 Resistant resistant(R) Bacteria cannot be inhibited by the concentration achieved with conventional doses of antimicrobials, and/or prove that the diameter of the inhibitory ring falls in certain bacteria Within the scope of the drug mechanism. 3.5 Disc diffusion method diskdiffusiontesting A qualitative drug sensitivity test method. A piece of paper containing a certain amount of an antibacterial drug is applied to a lot of bacteria that have been inoculated with a certain amount of test bacteria. On the lipid plate, after incubation, a ring of inhibitory bacteria may be present around the disk to determine the sensitivity of the bacteria to the drug by measuring its size. We call Kindy-Bauer (KB) method. ......

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