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History
- February 15, 2019.
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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. It is made available under a CC-BY-NC-ND 4.0 International license.
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- 1College of Veterinary Medicine, Gansu Agricultural University, 1 Yingmencun, Lanzhou 730070, P.R. China
- 2Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, 518 Ziyue Road, Minhang District, Shanghai 200241, P.R. China
- ↵*Corresponding author: Tel: +86-931-7631220; Fax: +86-931-7631220;, E-mail: bsjdy{at}126.com (S J Bao), Tel: +86-21-34293441; fax: +86 21 34293441;, E-mail: shoveldeen{at}shvri.ac.cn (C. Ding).