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GB/T 22909-2008Small-tailed han sheep (English PDF)

小尾寒羊

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

Level / Type

National · Recommended

Issue date

December 31, 2008

Implementation date

May 1, 2009

Scope

GB/T 22909-2008 is the English-translated version of 小尾寒羊.

GB/T 22909-2008 is the Chinese national standard on small-tailed han sheep, in the field of agriculture. The /T suffix marks it as a recommended standard: it is not compulsory by itself, but it becomes binding as soon as a contract, a tender or a customer specification calls it up - which in practice is how most foreign buyers meet it. It was issued on 31 December 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 1 May 2009. Classification: ICS 65.020.30, CCS B43. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

Document preview — GB/T 22909-2008

National Standard of the People's Republic of China

ICS
65.020.30
Classification
B43

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

Contents

  • 1 Scope
  • 2 Species characteristics
  • 2.3 Performance

Foreword

Appendix A of this standard is a normative appendix, Appendix B is an informative annex. The standard proposed by the People's Republic of China Ministry of Agriculture. This standard by the National Standardization Technical Committee of animal husbandry. This standard was drafted. Shandong Province Animal Husbandry. The main drafters of this standard. Tang Jianjun Qu Xu Xian, Wang, Wang Weiguo, National kun. Han sheep

1 Scope

GB/T 22909-2008 is the Chinese national standard on small-tailed han sheep, in the field of agriculture. The /T suffix marks it as a recommended standard: it is not compulsory by itself, but it becomes binding as soon as a contract, a tender or a customer specification calls it up - which in practice is how most foreign buyers meet it. It was issued on 31 December 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 1 May 2009. Classification: ICS 65.020.30, CCS B43. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This standard specifies the breed characteristics of small-tail sheep and ratings. This standard applies to the identification and rating of small-tail sheep breeds.

2 Species characteristics

2.1 Origin Han sheep native to the southwest of Shandong Province's Liangshan, Yuncheng, Jiaxiang, Dongping, Juan City, Wenshang, Juye, Yanggu County, northeast of Henan Province And southeastern Hebei Province.

2.2 physical characteristics Tall men, the body symmetry, cylindrical. Head of moderate size, with good head and neck. Great God eye, mouth Qi head, big nose and nose uplift, Ears of medium size and drooping. Head with black or brown spots. Rams head of thick neck, a spiral-shaped horn, horn correct; ewe neck long head small, No angle or a small angle. High limbs, robust correct. Fat tail circular fan, turn buckle on the tip of the tail, tail length does not exceed the hock. Rams testicular size suitable , A well-developed, epididymis obvious. Ewes breast well developed, thin hair thin, elastic medium, the nipple distribution, medium size, good lactation. White coat, Maogu Qing Xi, spikes significantly. Fur coat can be divided into type, coarse and fine wool type type, fur type Maogu Qing Xi, bending obvious; fuzz Type fine hair, bending small; hirsute type coarse hair, big bend. Han sheep photo See Appendix B.

2.3 Performance

2.3.1 Weight and Body Size A sheep body weight scale in Table 1. Table 1 a sheep Weight Body Measurements Sex Age body weight/ kg Body height / cm Length / cm bust/ cm ram 6 months 60,808,295 Years old 1049192106 2 years old 1159596118 ewe 6 months 32,717,285 Age 50,757,890 2 years 58,828,498

2.3.2 meat performance 6-month-old ram slaughter rate of more than 47%, meat percentage above 37%.

2.3.3 reproductive performance Ram and ewe puberty 5 months to 6 months of age. Initial breeding rams time

7.5 months to 8 months of age, the initial time of breeding ewes 6 months to 7 months of age. Rams average ejaculate volume 1.5mL or more, sperm density 2.5 × 109 or more,

0.7 or more sperm motility. mother Sheep estrous cycle 17d ~ 18d, pregnancy 148d ± 3d. Perennial estrus ewes, spring and autumn are concentrated. First ewes lambing rate of 200% Above, the ewes more than 250%.

2.3.4 Quality fur Qiu Phi plate light, clear spikes, beautiful flower case; cortex board to tough, flexible, suitable for making fur, leather.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

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