GB/T 3822-2026Livestock and poultry breeds (synthetic lines) - Ujumuqin sheep (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part

1.Structure and Drafting Rules of Standardization Documents". Drafting. This document replaces GB/T 3822-2008 "Ujumqin Sheep". Compared with GB/T 3822-2008, the main differences are structural adjustments and editorial changes. Aside from the changes, the main technical changes are as follows:

a) The country of origin has been changed (see Chapter 4,

2.1 of the.2008 edition), and varietal characteristics have been added (see Chapter 4);

b) The description of physical characteristics has been changed (see Chapter 5,.2008 edition, 2.2);

c) The body weight measurement was changed (see Chapter 6,.2008 edition 2.3.1);

d) Meat production and reproductive performance were modified (see 7.1, 7.2,

2.3.3 in the.2008 edition);

e) Wool production properties have been removed (see

2.3.4 in the.2008 edition);

f) The rating system has been changed (see Chapter 8, Chapter 3 of the.2008 edition);

g) The performance testing methods have been changed (see Chapter 9, Chapter 4 of the.2008 edition);

h) The body shape and appearance scoring method has been removed (see Appendix B of the.2008 edition);

i) The method for measuring body weight and body size has been removed (see Appendix C of the.2008 edition). Please note that some content in this document may involve patents. The issuing organization of this document assumes no 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 Standardization of Animal Husbandry (SAC/TC274). This document was drafted by: Inner Mongolia Autonomous Region Agricultural and Animal Husbandry Technology Extension Center, Xilingol League Animal Husbandry Station, and Inner Mongolia Autonomous Region Agricultural and Animal Husbandry... Agricultural Academy, East Ujimqin Banner Livestock Station, West Ujimqin Banner Livestock Station, Abaga Banner Livestock Station, Xilinhot City Agriculture and Animal Husbandry Technology Promotion Center, Xilingol League Agricultural and Animal Husbandry Science Research Institute, and Dong Ujimqin Banner Heshige Livestock Development Co., Ltd. The main drafters of this document are. Kang Fengxiang, Yibuletu, Hailong, Anar, Song Qian, Xin Manxi, Su Ya, Wurenzhangga, and Deqing Hala. He Xiaolong, Wudabala, Gao Bo, Yi Jing, Agudamu, Nasunbayar, Subude, Chayilaga, Chaolumeng, Chaolumeng, Xurenqimuge, Daoleng, Arong, Baiyintala, Mamuren, Baolirierdun, Bilige, Alatansuhe, Batuitgel. The release history of this document and the document it replaces is as follows:

1 Scope

GB/T 3822-2026 is the Chinese national standard covering the Ujumuqin sheep of the eastern Inner Mongolian grassland - a fat-tailed breed bred for meat, known for growing fast on pasture alone and for the fat reserve that carries it through a steppe winter. The standard fixes the appearance, the body measurements by age and sex, the growth and reproductive performance and the requirements for a registered animal. It replaces GB/T 3822-2008. It was issued on 27 February 2026 and has been in force since 1 September 2026, replacing GB/T 3822-2008. The document is under the responsibility of the Ministry of Agriculture and Rural Affairs. This page is published from the official record of the 2026 edition; the clause text of a standard this recent is not yet in circulation, and the figures, limits and tables it contains are those of the document itself, delivered in full with the English translation.

This document specifies the breed origin and characteristics, physical features, weight and body size, production performance, and grading of the Ujumqin sheep, and describes its breeding... Product performance testing methods. This document applies to the identification and grading of Ujumqin sheep.

3 Terms and Definitions

This document does not contain any terms or definitions that need to be defined.

4.Variety origin and characteristics Ujumqin sheep is a local breed of coarse wool sheep, used for both meat and fat production. It originated in the Ujumqin grassland of Xilingol League, Inner Mongolia Autonomous Region. It is distributed in East Ujimqin Banner, West Ujimqin Banner, Xilinhot City, Abaga Banner, and Ulagai Management Area. It is cold-resistant and has strong resistance to adverse conditions. Some species have multiple spines, strong fattening ability, and excellent meat quality, making them suitable for grazing.

5.Physical characteristics The head is of moderate size, with wide, long, slightly downward-pointing ears and a slightly arched nasal bridge. A few rams have spiral horns, while ewes are hornless. The chest is broad and deep, with rounded ribs. The back and loin... Broad and flat, with a full hindquarters, well-proportioned limbs, and sturdy hooves. The tail is broad and thick, extending beyond the legs but not exceeding the hock. The body is covered in white fur; the head... Predominantly white, with patches of black, brown, and yellow hairs; some individuals have a small amount of colored hair on the navel, carpal joints, and below the hocks. (Body shape/appearance) For physical characteristics, see Appendix A.

Under grazing conditions, the weight and body size of Ujumqin sheep should meet the requirements in Table 1.

7 Production performance

7.1 Meat production performance Under grazing conditions, the meat production performance of 6-month-old Ujumqin sheep should meet the requirements in Table 2.

7.2 Reproductive performance Ujumqin sheep reach sexual maturity at 5-7 months of age, and are first bred at 18 months. Ewes typically come into estrus between September and November, with a estrous cycle of Days of gestation. 15-19 days; estrus duration. 24-60 hours; gestation period. 146 ± 5 days; lambing rate. 105.0%. Male lambs weighed approximately

4.5 kg at birth. 0.7kg, the average birth weight of the mother lamb is 4.2kg ± 0.7kg.

8 Rating

8.1 Assessment Time Every year in mid-September, 18-month-old growing sheep and 30-month-old adult sheep are graded. Level 8.2

8.2.1 Special Grade Sheep that meet the appearance requirements of this breed and whose weight exceeds the lower limit of the Grade 1 sheep index in Table 3 by 10% are rated as Special Grade.