Funding for this research was provided by:
Shandong Provincial Natural Science Foundation (ZR2018QC005)
the High-Level Talents and Innovative Team Recruitment Program of the Shandong Academy of Agricultural Sciences (none)
High-level Talent Projects (ts201511069; W03020496)
the Construction of Subjects and Teams of Institute of Poultry Science (CXGC2018E11)
Shandong Provincial Key Laboratory of Special Construction Project (SDKL201810)
Article History
Received: 9 March 2020
Accepted: 11 July 2020
First Online: 20 July 2020
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interest.
: The protocol of the study was conducted in accordance with guidelines of animal welfare of World Organization for Animal Health, and all animal experiments were approved from an ethics committee of Poultry Institute, Shandong Academy of Agricultural Sciences.