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GB/T 22283-2025: Landrace breeding pig
Status: Valid GB/T 22283: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22283-2025 | English | 199 |
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Landrace breeding pig
| Valid |
GB/T 22283-2025
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| GB 22283-2008 | English | 159 |
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[GB/T 22283-2008] Landrace breeding pig
| Valid |
GB 22283-2008
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PDF similar to GB/T 22283-2025
Basic data | Standard ID | GB/T 22283-2025 (GB/T22283-2025) | | Description (Translated English) | Landrace breeding pig | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B43 | | Classification of International Standard | 65.020.30 | | Word Count Estimation | 10,145 | | Date of Issue | 2025-01-24 | | Date of Implementation | 2025-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 22283-2025: Landrace breeding pig---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 65.020.30
CCSB43
National Standard of the People's Republic of China
Replaces GB/T 22283-2008
Landrace pig breeder
Released on 2025-01-24
2025-08-01 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.
This document replaces GB/T 22283-2008 "Landrace Breeding Pigs". Compared with GB/T 22283-2008, except for structural adjustments and editorial changes,
In addition to the modifications, the main technical changes are as follows.
a) Deleted the content of “Terms and Definitions” (see Chapter 3 of the.2008 edition);
b) Added the content of “Origin and Characteristics” (see Chapter 4);
c) Added the content of “adult weight and body size” (see Chapter 6);
d) The content of "reproductive performance" has been changed (see 7.1, 6.1 of the.2008 edition);
e) The content of "Growth and Development" has been changed (see 7.2, 6.2 of the.2008 edition);
f) The contents of “carcass traits” and “muscle quality” have been changed (see 7.3 and 7.4, 6.3 of the.2008 edition);
g) The content of “Determination Method” has been changed (see Chapter 8, Chapter 5 of the.2008 edition);
h) Combined "breeding value" and "breeding pig production requirements" into "breeding basic requirements" and changed the corresponding content (see Chapter 9,.2008
7 and 8 of the.2011 edition).
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 Technical Committee on Animal Husbandry Standardization (SAC/TC274).
This document was drafted by. Chongqing Academy of Animal Science, Huazhong Agricultural University, National Animal Husbandry Station, Southwest University, Tieqi Lishi Food Co., Ltd.
Liability Company, Hainan Luoniushan Pig Breeding Co., Ltd., Muyuan Food Co., Ltd., Sichuan Dekang Agriculture and Animal Husbandry Food Group Co., Ltd.
Co., Ltd., Shenzhen Jinxinnong Technology Co., Ltd., Guangxi Agricultural Reclamation Yongxin Animal Husbandry Group Co., Ltd., and Dawnrays Food Group Co., Ltd.
The main drafters of this document are. Wang Jinyong, Wang Ketian, Wu Pingxian, Chen Li, Guo Zongyi, Liu Wanghong, Wu Tingting, Qiu Xiaotian, Xue Ming, Luo Zonggang,
Zhu Yuehua, Liao Bo, Zhu Hongqian, Liu Bin, Fang Duo, Wu Xibo, Zhang Huiwen.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2008 as GB 22283-2008, and converted to GB/T 22283-2017 due to streamlining and integration of mandatory national standards.
2008;
---This is the first revision.
Landrace pig breeder
1 Scope
This document specifies the origin and characteristics of Landrace breeders, their body shape and appearance, adult weight and size, production performance, and basic requirements for breeding.
Describes the determination method.
This document applies to the evaluation of Landrace breeder pigs.
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 to
This document.
NY/T 820 Technical Specifications for Breeding Pig Registration
NY/T 821 Technical Specification for Determination of Pork Quality
NY/T 822 Procedure for determination of production performance of breeding pigs
NY/T 825 Technical specification for determination of carcass traits of lean pigs
3 Terms and definitions
There are no terms or definitions that require definition in this document.
4 Origin and characteristics
Landrace pigs originated in Denmark and are now widely distributed around the world. They have the characteristics of high fertility, fast growth rate and strong adaptability.
5.Body shape and appearance
The Landrace pig has a long body, white fur, and occasionally a few dark spots. It has a small head, a light neck, a narrow nose and a long, large ear that tilts forward or droops.
The line is straight, the hindquarters are well-developed and muscular, the overall appearance is light in front and heavy in the back, the appearance is delicate and the physique is strong. See Appendix A for photos of Landrace pigs.
6 Adult weight and size
Adult boars (23-25 months old) weigh no less than 280.0 kg, are no less than 155.0 cm long, no less than 85.0 cm tall, and have a chest of no less than 100 kg.
The circumference of an adult sow (third litter, two months of gestation) shall not be less than 150.0cm; the weight of an adult sow (third litter, two months of gestation) shall not be less than 210.0kg, the length of the sow shall not be less than 140.0cm, and the height of the sow shall not be less than 150.0cm.
Less than 80.0cm, chest circumference not less than 135.0cm.
7 Production performance
7.1 Reproductive performance
The suitable age for boars is not less than 240 days, and the weight is not less than 140 kg; the suitable age for sows is 230-250 days, and the weight is not less than 130 kg.
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