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GB/T 22909-2008: Small-tailed han sheep
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22909-2008 | English | 229 |
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Small-tailed han sheep
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GB/T 22909-2008
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Basic data | Standard ID | GB/T 22909-2008 (GB/T22909-2008) | | Description (Translated English) | Small-tailed han sheep | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B43 | | Classification of International Standard | 65.020.30 | | Word Count Estimation | 10,122 | | Date of Issue | 2008-12-31 | | Date of Implementation | 2009-05-01 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.25 (Total No.138) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the characteristics of small-tail sheep breeds and grading. This standard applies to the identification and grading tail sheep breeds. | GB/T 22909-2008: Small-tailed han sheep---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Small-tailed han sheep
ICS 65.020.30
B43
National Standards of People's Republic of China
Han sheep
Posted 2008-12-31
2009-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
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
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.
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