GB 19179-2003Parent eggs of silkworm(Bombyx mori) (English PDF)
桑蚕原种
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Level / Type
National · Mandatory
Issue date
June 4, 2003
Implementation date
December 1, 2003
Scope
GB 19179-2003 is the English-translated version of 桑蚕原种.
GB 19179-2003 lays down the quality requirements for silkworm (Bombyx mori) parent eggs, the eggs used to produce first-generation hybrid eggs for sericulture.
It applies to commercial parent eggs produced and sold, divided into Chinese-lineage and Japanese-lineage parent eggs, and defines the terms of the trade such as frame-laid eggs, egg circle, rearing plot and lot, diseased moth rate, net yield rate and purity.
Parent eggs are counted by the sheet of 28 egg circles; the quality indicators cover good eggs per moth (at least 350 for Chinese and 300 for Japanese lineage), net yield rate, labelling and certificate, good eggs per sheet, good egg rate, practical hatching rate, diseased egg rate and purity, with inspection to GB/T 19178 and rules for judging a lot conforming, rejected or to be re-finished.
A normative annex sets the controls on the production process, from moth-batch quantitative rearing and pebrine inspection to sex discrimination and the lot-rejection threshold for diseased moths.
Issued on 4 June 2003 and in force since 1 December 2003, it is the first edition. Classification: ICS 65.020.20, CCS B61. The document runs to 6 pages, delivered complete in English translation.
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Document preview — GB 19179-2003
National Standard of the People's Republic of China
- ICS
- 65.020.20
- Classification
- B61
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Classification
- 5 Quality indicators
- 6 Inspection methods
- 7 Decision rules
- Annex A (normative) Requirements for the pre-control of the production process
3 Terms and definitions
4 Classification
5 Quality indicators
6 Inspection methods
7 Decision rules
Foreword
The production and sale of silkworm parent eggs have always been under unified national and provincial management, but to date there has been no unified national standard for the quality of silkworm parent eggs. With the development of the market economy and the continual renewal of silkworm varieties, the circulation of silkworm parent eggs between provinces and between countries is becoming increasingly frequent. The absence of a unified quality standard has caused many difficulties in the management of the quality of silkworm parent eggs. It is therefore necessary to establish a unified quality standard for silkworm parent eggs to regulate their quality.
Annex A of this standard is a normative annex.
This standard was proposed by and is under the jurisdiction of the Ministry of Agriculture of the People's Republic of China.
Drafting organizations of this standard: Department of Crop Production Management of the Ministry of Agriculture; Sericultural Research Institute of the Chinese Academy of Agricultural Sciences; Supervision, Inspection and Testing Center for Sericultural Product Quality of the Ministry of Agriculture (Zhenjiang); College of Animal Sciences of Zhejiang University; Zhejiang Provincial Silkworm Egg Company; Jiangsu Provincial Silkworm Egg Management Institute; Sichuan Provincial General Station of Silkworm Egg Management; Shandong Provincial Silk General Company; Guangdong Provincial Silk (Group) Company.
Main drafters of this standard: Li Yiren, Ye Xiayu, Shen Xingjia, Xu Mingfen, Tao Tao, Wu Gang, Yu Aiqun.
The Department of Crop Production Management of the Ministry of Agriculture is entrusted with the interpretation of this standard.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB 19179
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB 19179-2003 | Parent eggs of silkworm(Bombyx mori) | current edition | Current |
This page sells the current edition, GB 19179-2003. Earlier editions are listed for reference only.
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