Funding for this research was provided by:
National Natural Science Foundation of China (31772634, 31802094)
Postdoctoral Research Foundation of China (2018M632320)
Open Project of Shanghai Key Laboratory of Veterinary Biotechnology (klab201710)
the Phase II Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions
Natural Science Foundation of Jiangsu Province (BK20180531)
Article History
Received: 14 August 2018
Accepted: 3 December 2018
First Online: 10 December 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: The use of animals for this research was approved by the Institutional Animal Care and Use Committee of Nanjing Agricultural University.