GB/T 42492-2023High mountain merino (English PDF)

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.

1 Scope

This document specifies the breed source, breed characteristics, production performance and grade evaluation of Alpine Merino sheep, and describes the corresponding evaluation methods.

This document is applicable to the breed identification and grade evaluation of Alpine Merino sheep.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

NY/T 1236 Technical Specifications for Determination of Production Performance of Sheep and Goats

3 Terms and Definitions

This document does not have terms and definitions that need to be defined.

4 Sources of varieties

Alpine Merino sheep is made of Gansu alpine fine-wool sheep as the female parent and Australian Merino sheep as the male parent.

The wool and meat fine-wool sheep were bred in 2015 and adapted to the cold and arid ecological zone below 4000m above sea level. main Distributed in Sunan Yugur Autonomous County, Tianzhu Tibetan Autonomous County, Yongchang County and other areas in Gansu Province.

5 Breed characteristics