Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2017YFD0500104)
National Natural Science Foundation of China (31802199)
the Key Laboratory for Preventive Research of Emerging Animal Diseases in Foshan University (KLPREAD201801-07)
the Key Laboratory of Preventive Veterinary Medicine of Education Department in Guangdong Province of China (2014KTSPT037)
Received: 5 April 2019
Accepted: 25 August 2019
First Online: 5 September 2019
Ethics approval and consent to participate
: Bovine serum samples used in this study were obtained from the Military Veterinary Institute, Academy of Military Medical Sciences, and the experiment was approved by the Institutional Animal Care and Use Committee (IACUC) of the Chinese Academy of Military Medical Science, Changchun, China (10ZDGG007). Written consent for the use of bovine serum samples was obtained from the cattle’s owners before inclusion in the study.
: Not applicable.
: The authors declare that they have no competing interests.