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GB/T 44967-2024: General rule of feed enzyme preparation
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GB/T 44967-2024: General rule of feed enzyme preparation

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General rule of feed enzyme preparation General rules for enzyme preparations for feed ICS 65.120 CCS B 46 National Standard of the People's Republic of China Released on 2024-11-28 2025-06-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface ... Ⅲ 1 Scope ... 1 2 Normative references ... 1 3 Terms and Definitions ... 1 4 Technical requirements ... 2 4.1 Raw material requirements 2 4.2 Appearance and properties 2 4.3 Quality indicators 2 4.4 Health indicators 2 5 Sampling ... 3 6 Test methods ... 3 6.1 Appearance and properties 3 6.2 Enzyme activity ... 3 6.3 Water ... 3 6.4 Granularity ... 3 6.5 pH ... 3 6.6 Total arsenic ... 4 6.7 Lead ... 4 6.8 Mercury ... 4 6.9 Cadmium ... 4 6.10 Salmonella ... 4 6.11 Coliform bacteria ... 4 6.12 Aflatoxin B1 ... 4 6.13 Zearalenone ... 4 6.14 Deoxynivalenol ... 4 7 Inspection Rules ... 4 7.1 Batch 4 7.2 Factory Inspection ... 4 7.3 Type inspection ... 4 7.4 Decision Rules 5 8 Labeling, packaging, transportation, storage and shelf life ... 5 8.1 Tags ... 5 8.2 Packaging ... 5 8.3 Transportation ... 5 8.4 Storage 5 8.5 Shelf life ... 5 References ... 6

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Feed Industry Standardization Technical Committee (SAC/TC 76). This document was drafted by. Zhejiang University, Wuhan Xinhuayang Biotechnology Co., Ltd., Guangdong Yiduoli Biotechnology Co., Ltd., Shandong Longkote Enzyme Co., Ltd., Beijing Institute of Animal Husbandry and Veterinary Medicine, Chinese Academy of Agricultural Sciences, Agricultural Quality Standards and Inspection Measurement Technology Research Institute. The main drafters of this document are. Qian Lichun, Zhan Zhichun, Xu Li, Li Yangyuan, Guo Qingwen, Wang Yuan, Xiao Zhiming, Liu Na, and Yu Dongyou. General rules for enzyme preparations for feed

1 Scope

This document defines the terms and definitions of enzyme preparations for feed, specifies their technical requirements, describes the corresponding test methods, and specifies It also includes sampling, inspection rules, labeling, packaging, transportation, storage and shelf life. This document applies to feed additive enzyme preparations and mixed feed additives containing only enzyme preparations.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 5917.1 Determination of particle size of feed by two-layer sieve screening method GB/T 6435 Determination of moisture in feed GB/T 8170 Rules for rounding off values and expression and determination of limit values GB 10648 Feed Label GB/T 13079 Determination of total arsenic in feed GB/T 13080 Determination of lead in feed Atomic absorption spectrometry GB/T 13081 Determination of mercury in feed GB/T 13082 Determination of cadmium in feed GB/T 13091 Determination of Salmonella in feed GB/T 14699 Feed Sampling GB/T 18869 Determination of coliform bacteria in feed GB/T 28716 Determination of zearalenone in feed Immunoaffinity column cleanup﹘High performance liquid chromatography GB/T 30956 Determination of deoxynivalenol in feed Immunoaffinity column cleanup﹘High performance liquid chromatography GB/T 36858 Determination of aflatoxin B1 in feed - High performance liquid chromatography GB/T 42959 Feed microbiological testing - Sampling NY/T 2071 Determination of aflatoxins, zearalenone and T﹘2 toxin in feed Liquid chromatography﹘tandem mass spectrometry NY/T 2550 Determination of aflatoxin B1 in feed Colloidal gold method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Feed enzyme preparation It is produced and processed by microbial fermentation or extraction from animal or plant tissues, with or without the addition of carriers, and contains one or more A feed additive enzyme preparation having a chemically active enzyme, and a feed additive enzyme preparation prepared by mixing one or more of the above enzymes with or without a carrier product. ...