Article Information
History
- June 8, 2016.
Copyright
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 4.0 International license.
Author Information
- 1College of Veterinary Medicine, Sichuan Agricultural University, Xin kang Road 46 Ya’ an, Sichuan 625000, P. R. China
- ↵*To whom correspondence may be addressed: College of Veterinary Medicine, Sichuan Agricultural University, Yaan, Sichuan. Tel: +0835-28-824-23; Tel: +0835-28-824-23 Email: yanqigui{at}126.com.