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History
- February 18, 2016.
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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission.
Author Information
- 1College of Animal Science & Technology, Northwest A&F University, Yangling, Shaanxi, People's Republic of China
- 2School of Bioscience and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi, People's Republic of China
- ↵#The corresponding author: zhangzhy{at}nwsuaf.edu.cn