GB/T 25172-2020 English PDF

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GB/T 25172-2020: Technical specification for production and preservation of fresh boar semen
Status: Valid

GB/T 25172: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25172-2020	209	Add to Cart	3 days	Technical specification for production and preservation of fresh boar semen	Valid
GB/T 25172-2010	479	Add to Cart	3 days	Technical specification for production and preservation of fresh boar semen	Obsolete

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Basic data

Standard ID: GB/T 25172-2020 (GB/T25172-2020)
Description (Translated English): Technical specification for production and preservation of fresh boar semen
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B43
Classification of International Standard: 65.020.30
Word Count Estimation: 11,146
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Older Standard (superseded by this standard): GB/T 25172-2010
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the basic requirements and technical requirements for the production and storage of pig semen at room temperature, describes the corresponding test methods, and specifies the content of storage and transportation. This standard applies to the production and storage of pig semen at room temperature.

GB/T 25172-2020: Technical specification for production and preservation of fresh boar semen

---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.
Technical specification for production and preservation of fresh boar semen ICS 65.020.30 B43 National Standards of People's Republic of China Replace GB/T 25172-2010 Technical specifications for pig semen production and preservation at room temperature 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 25172-2010 "Technical Specifications for the Production and Storage of Pig Semen at Room Temperature", which is mainly compared with GB/T 25172-2010 The changes are as follows. ---Added "GB 23238" and "GB/T 6682" (see Chapter 2); ---Added "Equipment collection method suitable for operation according to the instruction manual" (see 5.1.2.3); --- Modify the sperm deformity rate from "≤18%" to "≤20%" (see 5.2.2,.2010 edition 5.2); --- Deleted the "number of bacterial colonies" (see 5.2, the.2010 version of 5.2); ---Sperm motility verification method has been added "The use of automatic analysis equipment should be operated according to its detection method" (see 5.2.3.2); --- Modify the pH value of the diluent from "6.4~7.2" to "6.8~7.2" (see 4.5.4, 6.1.3 of the.2010 edition); --- Modify the "dose per head" and "total sperm count" of the diluted semen to "dose. The number of spermatozoa in each dose should meet The provisions of GB 23238."(See 5.4.1, 6.2.5 of the.2010 edition); --- "Semen product quality (see Table 2)" is amended to "room temperature semen product quality and marking shall meet the requirements of GB 23238." (see 5.6.4, 8.4 of the.2010 edition). This standard was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This standard is under the jurisdiction of the National Animal Husbandry Standardization Technical Committee (SAC/TC274). This standard was drafted by. Qingdao Institute of Animal Husbandry and Veterinary Medicine, South China Agricultural University, Beijing Pig Breeding Center, Huangdao District Livestock Improvement Station. The main drafters of this standard. Ge Xin, Zhang Shouquan, Wang Jianhua, Zhou Haishen, Zhang Baoxun, Li Peipei, Liu Yuhua, Cheng Ming, Meng Qingli. Technical specifications for pig semen production and preservation at room temperature

1 Scope

This standard specifies the basic requirements and technical requirements for the production and storage of pig semen at room temperature, describes the corresponding test methods, and provides storage And transport content. This standard applies to the production and storage of pig semen at room temperature.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods GB 23238 Breeding pig semen at room temperature

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Raw semen Undiluted semen after collection. 3.2 Room temperature semen After being diluted and stored at 16℃~18℃, the semen still has the ability to be fertilized. Note. Rewrite GB 23238-2009, definition 3.2. 3.3 Sperm motility The percentage of sperm that move straight forward at 37°C accounts for the total number of sperm. 3.4 Sperm density The number of sperm in a unit volume of semen. 3.5 Sperm deformity rate The percentage of abnormal sperm in total sperm count.

4 Basic requirements

4.1 Breeding boars Should be healthy and meet the requirements for seed use. Adult boars should be collected twice to three times a week, and young boars should be collected once to twice a week. ......

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