GB/T 47309-2026Livestock and poultry breeds (synthetic lines) - Muli yak (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. 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: Sichuan Provincial Grassland Science Research Institute, Muli Tibetan Autonomous County Animal Husbandry and Fisheries Station, and Liangshan Yi Autonomous Prefecture Agricultural Science Institute. The Academy of Sciences and Qinghai Niubile Agricultural and Animal Husbandry Technology Co., Ltd. The main drafters of this document are. Luo Xiaolin, Wu Weisheng, Deng You, Wang Qiang, Guan Jiuqiang, Shang Kaiyuan, Zhao Hongwen, Zhang Xiangfei, and Lu Rongyixi. Li Huazhong, An Tianwu, Yang Pinggui, Sun Yan, He Chun, Zhang Chufei, Li Xiaopeng, Bai Qin. Livestock breeds (breeding systems). Muli yak

1 Scope

GB/T 47309-2026 is the Chinese national standard covering the Muli yak of southwestern Sichuan - a local type adapted to high altitude forest pasture, described by its appearance, measurements and production of milk, meat and hair. First edition, in force since 1 October 2026. It was issued on 31 March 2026 and takes effect on 1 October 2026, as a first edition. 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 requirements for the breed origin, physical appearance, production performance, and grading of Muli yaks, and describes the production performance measurement... The method. This document applies to the breed identification and grading of Muli yaks.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document.

GB/T 43842 Technical Specification for Testing the Production Performance of Yaks

3 Terms and Definitions

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

4.Variety Origin Muli yak is a dual-purpose (meat and dairy) local yak breed, named after Muli County in Sichuan Province, where it originates. The central production area is located in the Muli Tibetan Autonomous Prefecture of Sichuan Province. It is also found in small quantities in Zhixian County, Yanyuan, Xide and other places.

5.Physical appearance The coat is predominantly black, with white often found on the face, back, abdomen, limbs, hindquarters, or tail. The animal is large and sturdy, with a well-proportioned structure and harmonious integration of all parts. Good overall condition; well-developed fore and hindquarter muscles. Deep and broad chest, well-sprung ribs, relatively straight back and loin. Short and thick limbs, wide spacing between legs, and strong hooves. Bull has a large head. The forehead is broad, the neck is short and thick, the withers are high and round, and the testes are symmetrical; the cow's head is narrow and long, the neck is thin, and the withers are slightly lower. The udder is well-developed, and the teats are symmetrical. The coat is abundant. Thick, glossy hair; coarse, long hair on the sides and abdomen, and thick, long, bushy tail hair. See Appendix A for the physical characteristics of the Muli yak.

6 Production performance

6.1 Body measurements and weight It should meet the requirements of Table 1.