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Microbiological examination of feed - Sampling
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Basic data
| Standard ID | GB/T 42959-2023 (GB/T42959-2023) |
| Description (Translated English) | Microbiological examination of feed - Sampling |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B46 |
| Classification of International Standard | 65.120 |
| Word Count Estimation | 6,670 |
| Date of Issue | 2023-08-06 |
| Date of Implementation | 2024-03-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 42959-2023: Microbiological examination of feed - Sampling
---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.
ICS 65.120
CCSB46
National Standards of People's Republic of China
Feed microbiological testing and sampling
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed and coordinated by the National Feed Industry Standardization Technical Committee (SAC/TC76).
This document was drafted by. Beijing Institute of Animal Husbandry and Veterinary Medicine, Chinese Academy of Agricultural Sciences, National Animal Husbandry Station, Shenzhen Customs Food Inspection and Quarantine Technology
Technology Center, Qingdao Customs Technology Center, Hebei Provincial Veterinary Drug and Feed Work Station, Liaoning Provincial Inspection, Testing and Certification Center.
The main drafters of this document. Rao Zhenghua, Su Shenglan, Lu Jingzhang, Liu Peihai, Li Yingjie, Li Xinnan, Lei Zhiwen, Liang Minyuan, Liu Na,
Xu Yanli.
Feed microbiological testing and sampling
1 Scope
This document specifies sampling principles, sampling personnel, equipment and materials, sampling plans, sampling procedures and sampling for the purpose of microbiological examination.
Report.
This document is applicable to the sampling of feed, feed additives, and feed raw materials for the purpose of microbial testing.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 14699.1 Feed sampling
3 Terms and definitions
The terms and definitions defined in GB/T 14699.1 apply to this document.
4 Sampling principles
4.1 The collection of samples follows the principle of representativeness to truly reflect the overall level of the sample.
4.2 Sampling should be carried out in a clean area. If there are no clean conditions, try to choose an area with less dust and non-production (except for assembly line sampling).
4.3 Sampling follows the principles of aseptic operation. Pre-prepared sterile sampling tools (equipment) and containers can only be opened during sampling. Dependent
When packaging samples for sampling, two people operate, one person is responsible for sampling, and the other person is responsible for opening, sealing and packaging the sample container.
4.4 During the sampling and sample transportation process, prevent cross-contamination of exogenous microorganisms caused by sampling tools and environmental factors or the inherent risks of the product.
Changes in microbial flora.
5 sampling personnel
5.1 Sampling personnel should be familiar with aseptic operations, understand measures to avoid changing the inherent microbial flora of the product, and be able to identify possible microorganisms involved in the sampling process.
hazards and risk factors.
5.2 Sampling personnel should wear work clothes, sterile gloves, masks, hats, shoe covers, etc. before entering the sampling area.
6 Equipment and Materials
In addition to complying with the provisions of GB/T 14699.1, sampling equipment and containers should also comply with the physical properties, particle size, and sampling volume of the sample.
and the special requirements of target microorganisms for oxygen, etc. Use appropriate methods to sterilize equipment and containers before use and keep them sealed and dry
dry state. Disposable commercial sterile equipment may also be used.
...
