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GB/T 37311-2019 English PDF

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GB/T 37311-2019: Performance evaluation of Qinchuan cattle and its crossbreeding progeny
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PDF similar to GB/T 37311-2019


Standard similar to GB/T 37311-2019

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Basic data

Standard ID GB/T 37311-2019 (GB/T37311-2019)
Description (Translated English) Performance evaluation of Qinchuan cattle and its crossbreeding progeny
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B43
Classification of International Standard 65.020.30
Word Count Estimation 14,179
Date of Issue 2019-03-25
Date of Implementation 2019-10-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37311-2019: Performance evaluation of Qinchuan cattle and its crossbreeding progeny

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Performance evaluation of Qinchuan cattle and its crossbreeding progeny ICS 65.020.30 B43 National Standards of People's Republic of China Performance Evaluation of Qinchuan Cattle and Its Hybrid Offspring Published on.2019-03-25 2019-10-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic This standard is under the jurisdiction of the National Animal Husbandry Standardization Technical Committee (SAC/TC274). This standard was drafted. Northwest A&F University, Yangling Vocational and Technical College, Yangling Modern Agricultural Standardization Research and Extension Service Center. The main drafters of this standard. Yan Linsen, Tian Wanqiang, Lin Qing, Jiang Zhongliang, Mei Chugang, Success, Zhao Chunping, Gao Yigang, Chen Fengtao, Zhou Yongming. Performance Evaluation of Qinchuan Cattle and Its Hybrid Offspring

1 Scope

This standard specifies the requirements and methods for assessing the growth performance, body condition and meat production performance of Qinchuan cattle and their hybrid progeny. This standard applies to the performance evaluation of Qinchuan cattle and their hybrid progeny.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. NY/T 676 Beef Grade Specification NY/T 2660 Beef Cattle Production Performance Technical Specifications

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Qinchuan cattle hybrid offspring Qinchuancattlecrossbreedingprogeny The Qinchuan cattle are used as the male parent, and the other places are the female parent. The hybrids obtained from the hybrids contain 75% or more of the Qinchuan cattle lineage.

4 Growth performance assessment

4.1 Evaluation indicators The height and body angle of the male and the cow are 6 months, 12 months, 18 months, 24 months, 30 months, 36 months, 42 months, 48 months, respectively. The long, chest circumference, sciatic width and body weight were evaluated. Newborn cattle are only assessed for weight. 4.2 Measurement methods The measurement method is performed in accordance with the provisions of NY/T 2660. 4.3 Assessment method Body height, body length, chest circumference, sciatic width and body weight were assessed according to Table 1. If the above indicators are not at the same level, the lowest indicator Rating. Table 1 Growth performance rating Month age class gender height Cm Oblique length Cm bust Cm Sciatic end width Cm body weight Kg height Cm Oblique length Cm bust Cm Sciatic end width Cm body weight Kg Newborn Special - - - - 30 - - - - 28 Level 1 - - - - 28 - - - - 26 Level 2 - - - - 25 - - - - 23 Level 3 - - - - 23 - - - - 20

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