Search result: GB/T 22283-2025 (GB 22283-2008 Older version)
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| GB/T 22283-2025 | English | 199 |
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Landrace breeding pig
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GB/T 22283-2025
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| GB 22283-2008 | English | 159 |
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[GB/T 22283-2008] Landrace breeding pig
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GB 22283-2008
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| 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 | 10,130 | | Date of Issue | 2025-01-24 | | Date of Implementation | 2025-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 22283-2025.Landrace Breeding Pigs
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
Preface
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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GB 22283-2008
Landrace breeding pig
ICS 65.020.30
B43
National Standards of People's Republic of China
Landrace pigs
Posted 2008-08-12
2008-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
All the technical contents of this standard is mandatory.
The standard proposed by the People's Republic of China Ministry of Agriculture.
This standard by the National Standardization Technical Committee of animal husbandry.
This standard was drafted. China Agricultural University, Zhongshan Foodstuffs Import and Export Corporation Whitehead farms, pig test site in Hangzhou, Zhejiang Province,
Tianjin Ninghe former pig farm and livestock breeding farm in Hubei Province.
The main drafters of this standard. Wang Aiguo, Chen Jianxiong, width Li, Wang Sheng, Zhao Taichuan.
Landrace pigs
1 Scope
This standard specifies the physical characteristics of Landrace pigs, production performance, breeding value and pig appearance requirements.
This standard applies to the assessment and Landrace pig sales.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 16567 species of animal quarantine transporting technical specifications
NY/T 820-2004 Swine Registry Technical Specification
NY/T 822-2004 pig production performance of procedures
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
An estimate individual breeding value, expressed breeding value of the individual, it is a quantitative phenotype real value can be passed to the next generation
Parts, namely individual additive effects.
4 physical characteristics
Landrace body is long, white hair, allowing a small amount of dark spots sometimes; small head neck light, narrow nose and mouth, large ears leaning forward or drooping; Beiyao
Straight, well-developed hindquarters, legs buttocks plump, whole after former light heavy, delicate appearance beautiful, strong constitution, strong limbs.
5 Performance Measurement
5.1 Growth performance, carcass quality measured by the NY/T 822-2004 executed.
5.2 Determination of reproductive performance by NY/T 820-2004 executed.
6 Performance
6.1 Reproductive Performance
Sow puberty 170 days to 200 days, suitable breeding age 230d ~ 250d, weighing more than 122kg. First TNB
Producing nine or more, by the middle of 10 or more; age 21 litter weight 40kg more than the beginning of production, the production of more than 45kg.
6.2 Growth
Up to 100kg less weight age to 180d, feed conversion ratio is 2.8 or less, when 100kg live backfat thickness 15mm or less, 100kg
Weight eye muscle area of 30cm2 or more.
6.3 Carcass Quality
When 100kg weight slaughter, slaughter rate of 72% or more, and eye muscle area of 35cm2 or more, the proportion of 32% or more legs, carcass backfat thickness
18mm or less, 62% lean carcass. Excellent meat, no gray, soft, water seepage, dark, dry and hard and other low-grade meat.
Seven kinds of practical value
7.1 shape appearance consistent with this breed characteristics.
7.2 normal external genitalia, no genetic disorders and loss of levy, effective teat number more than 6 pairs, arranged in neat rows.
7.3 pigs or both parents through individual performance measurement, the main economic performance, that is the total number born, age weight of 100kg, 100kg live weight
EBV value backfat thickness, complete information.
7.4 Sources pig blood and clear, Profile, pedigree records are complete.
7.5 good health.
Appearances claim 8 pigs
8.1 in line with the value of the species requirements.
8.2 There are pigs certificate, earmark be legible, accurate and complete archives, Quality Assurance personnel signature.
8.3 GB 16567 in accordance with the requirements of issue quarantine certificates.
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