Protein supply and requirement of grazing yak in China

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About the Journal Editorial Office Editorial Board Copy right and self-archiving policy Peer review process Instructions for Reviewers Printed version subscription Abstracting and indexing Contact

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Policies General information Open Access, Licensing terms, Commercial use and Copyright terms policies Self-archiving policy and Archive policies Article Correction and Withdrawal policy Manuscript Submission policy Authorship policy Conflict of Interest policy Language considerations policy Plagiarism and Duplicate publications policy Ethics policy Review process policy Acceptance of manuscripts policy Online First Articles and Special Issues policies Generative artificial intelligence (AI) policy Advertising policy

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Suppl. 2/2007 vol. 16

SHORT COMMUNICATION

Protein supply and requirement of grazing yak in China

B. Xue ^1,2,3

,

S.-J. Liu ¹

,

X.-Q. Zhao ²

,

L. H. Hu ¹

,

X. G. Han ¹

1

Qinghai Academy of Animal Science and Veterinary Medicine, Xining 810003, P.R. China

2

Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810003, P.R. China

3

Institute of Animal Nutrition, Sichuan Agricultural University, Ya’an Sichuan 625014, P.R. China

Publication date: 2007-09-17

Corresponding author

B. Xue

Qinghai Academy of Animal Science and Veterinary Medicine, Xining 810003, P.R. China

J. Anim. Feed Sci. 2007;16(Suppl. 2):86-91

DOI: https://doi.org/10.22358/jafs/74461/2007

KEYWORDS

protein requirement

ABSTRACT

Forage supply of native grassland in Qinghai-Tibet Plateau reaches the greatest point in August and the lowest in the beginning of May. Feed intake of yak reached the greatest point in spring, followed by winter, and the lowest in autumn. Digestible CP (DCP) requirement (g/d) for maintenance in growing yak is 6.09 W^0.52, and that for gain is (1.1548/DG + 0.0509 W^0.52)^-1. There is a sever shortage of forage and CP supply in winter and spring. Grazing yak should be supplemented with 67.4 g/d DCP in the first cold season and 58.4 g/d DCP in the second cold season for normal growth.

CITATIONS (1):

1.

Simulated seasonal diets alter yak rumen microbiota structure and metabolic function
Xugang Yang, Xueni Fan, Hui Jiang, Qiang Zhang, Basangwangdui, Qunying Zhang, Siqi Dang, Ruijun Long, Xiaodan Huang
Frontiers in Microbiology

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