Funding for this research was provided by:
National Natural Science Foundation of China (31602068)
China Agriculture Research System (CARS-42)
Fujian Academy of Agriculture Science Innovative Research Team Project (STIT2017-3-10)
Fujian Academy of Agriculture Science Young Talent Program Project (YC2015-12)
Fujian Public Welfare Project (2018R1023-5)
Received: 14 April 2019
Accepted: 12 September 2019
First Online: 1 November 2019
Ethics approval and consent to participate
: The study procedure was reviewed and approved by the Animal Care and Use Committee of the Institute of Animal Husbandry and Veterinary Medicine, Fujian Academy of Agriculture Sciences (Permit Number FAAS-AHVM2017–18). Animal experiment was not used in our research. Animal’ owners gave written consent to permit us to do this research.
: Not applicable.
: The authors declare that they have no competing interests.