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Sibu Yak, Tibetan High Mountain Yak
Country: China
Home tract: The Sibu gully 20 miles from Mozhugongga County in Tibet autonomous prefecture.
Morphological Characters
Body: Large, rectangular-shaped
Head: Large, heavy
Horns: Extending outwards and upwards with the top spreading backwards and large space between two horns.
Chest: Deep, wide
Quarters: Most of the animals have underdeveloped rear quarters
Belly: Big but not dropping
Back: Most of the animals have flat straight
Loin: Most of the animals have flat straight
Morphometric characters
Body weight: Adult male: 358 Kg, Adult female: 212 kg
Height at withers: Adult male: 132 cm, Adult female: 109 cm
Body length: Adult male: 149 cm, Adult female: 127 cm
Heart girth: Adult male: 185 cm, Adult female: 153 cm
Reproductive traits
Age of sexual maturity: 3½ years
Breeding age: 4 years
The breeding seasons varies from June to October every year. Most of them have parity every year.
Production traits
Daily milk yield: 1.8 kg
Milk yield per lactation: 179.7 kg
Lactation length: 180 days
Dressing percentage: 49.9%
Reference
- Beijing, “Report on Domestic Animal Genetic Resources in China,” June 2003 [Web Reference]
- Dong S., Long R. and Kang M., 2007, “Milking performance of China yak (Bos grunniens): A preliminary report,” African Journal of Agricultural Research; 2(3):052-057. [Web Reference]
- Wiener G., Jianlin H. and Ruijun L., 2003, “The Yak,” FAO Regional Office for Asia and the Pacific, p. 20. [Web Reference]