GB/T 45293-2025 English PDF

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GB/T 45293-2025: Code of practice for breeding female moths inspection of silkworm (Bombyx mori.)
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Basic data

Standard ID: GB/T 45293-2025 (GB/T45293-2025)
Description (Translated English): Code of practice for breeding female moths inspection of silkworm (Bombyx mori.)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B47
Classification of International Standard: 65.020.30
Word Count Estimation: 10,137
Date of Issue: 2025-02-28
Date of Implementation: 2025-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45293-2025: Code of practice for breeding female moths inspection of silkworm (Bombyx mori.)

---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.
GB/T 45293-2025 English version. Code of practice for breeding female moths inspection of silkworm (Bombyx mori.) ICS 65.020.30 CCSB47 National Standard of the People's Republic of China Inspection procedures for silkworm mother moths Released on 2025-02-28 2025-09-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

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. 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 by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This document is under the jurisdiction of the National Sericulture Standardization Technical Committee (SAC/TC437). This document was drafted by. Jiangsu University of Science and Technology, Sericulture Research Institute of Chinese Academy of Agricultural Sciences, Zhejiang Agricultural Technology Extension Center, Sichuan Sericulture Research Institute Industry Management Station, Guangdong Siyuan Group Co., Ltd., Guangxi Zhuang Autonomous Region Sericulture Technology Extension Station, Chongqing Sericulture Station, Jiangsu Province Silkworm Seed Institute of Silkworm Breeding, Sichuan Nanchong Silkworm Breeding Farm, Shandong Guangtong Silkworm Breeding Group Co., Ltd., Hubei Academy of Agricultural Sciences Economic Crops Research Institute, Jiangxi Economic Crops Institute of Animal Science, Characteristic Agriculture Management Station of Anhui Provincial Department of Agriculture and Rural Affairs, Hunan Sericulture Science Research Institute, and Jilin Sericulture Science Research Institute. The main drafters of this document are. Chen Tao, Zhang Meirong, Zhu Chunqun, Hu Wenjuan, Lou Xia, Ma Luyun, Peng Lihong, Mo Yunxia, Li Hongyuan, Wang Xin, Du Guoliang, Fang Dewen, Wu Fan, Tang Bin, Wang Jianxia, Li Lirong, Wang Xianyan, Yao Xiaohui, Hou Qirui, Zhou Ying. Inspection procedures for silkworm mother moths

1 Scope

This document establishes the inspection procedures for mulberry silkworm mother moths, and stipulates the bagging, drying, disinfection and cleaning, result determination and inspection of mulberry silkworm mother moths. The report describes the corresponding inspection methods. This document is applicable to the inspection of female moths used to produce mulberry silkworm stock and first-generation hybrids.

2 Normative references

The contents of the following documents constitute 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 to This document. GB/T 8170 Rules for rounding off values and expression and determination of limit values

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 breeding female moths Female moths that produce the next generation of silkworms. 3.2 Rate of pebrine contaminated breeding female moths The percentage of mother moths (groups) carrying microspores to the total number of mother moths in the seed production batch (stage). Note. Abbreviated as diseased moth rate. In actual inspection, the mother moths are inspected according to the specified requirements and measured by the number of microparticle diseased moth groups detected.

4 Female moth samples

4.1 Bagworm 4.1.1 Original female moth All original female moths shall be inspected. Original female moths shall be placed in a 28-grid paper moth box with serial numbers. Production unit, variety name, batch, moth box number. The moth box number should be consistent with the silkworm seed number. 4.1.2 First-generation hybrid female moth 4.1.2.1 Division of inspection lots Divide by seed production batches, or divide by seed production day (household) in the same seed production batch. 4.1.2.2 Sampling of bagworms The first-generation hybrid female moths are sampled and inspected. The number of female moths (including seedlings) for scattered egg species and flat-attached species as specified in Table 1 and Table 2 are randomly selected. ......

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