Funding for this research was provided by:
National Natural Science Foundation of China (31502091)
National Key Research and Development Program of China (2017YFD0501200, 2016YFC1202000, 2016YFC1202002, 2017YFD0502304, 2017YFD0500904)
973 Program (2015CB150300, 2010CB530206)
Agricultural Science and Technology Innovation Program (CAAS-ASTIP-2016-LVRI)
National Beef Cattle Industrial Technology System (CARS-37)
Jiangsu Co-innovation Center Program for Prevention and Control of Important Animal Infectious Diseases and Zoonoses (-)
Received: 30 June 2018
Accepted: 16 December 2018
First Online: 21 January 2019
: The animal experiments were approved by Animal Ethics Committee of Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences. All experiments were performed in strict accordance with the requirements of the Animal Ethics Procedures and Guidelines of the People’s Republic of China.
: No personal data is included in the manuscript.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.