GB/T 42116-2022Subo 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, grade evaluation and performance measurement methods of Subo Merino sheep.

This document is applicable to the breed identification and grade assessment of Subo 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.

GB/T 26939 Terminology, Items and Symbols for Identification of Breeding Sheep

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

3 Terms and Definitions

The following terms and definitions apply to this document.

4 Sources of varieties

Subo Merino sheep is based on super-fine Australian Merino sheep as the male parent, and Chinese Merino sheep, Xinji fine-wool sheep and Aohan fine-wool sheep are the female parents.

In 2014, it was bred in 2014 by adopting the combined breeding program of the core group, and through three stages of systematic selection. progressive crossing, cross-fixation and pure breeding.

A new breed of superfine fine-wool sheep. Mainly distributed in Urumqi, Shihezi, Ili Kazakh Autonomous Prefecture, Aksu, Tajikistan In urban areas, Chifeng City, Ordos City, Xilin Gol League in Inner Mongolia, and Songyuan City and Baicheng City in Jilin Province.

5 Breed characteristics