Funding for this research was provided by:
National Natural Science Foundation of China (No.31401985, No. 31872250)
research project on Bureau of Ecology and Environment of Pudong New Area, Shanghai (No. LKT2020015)
Received: 2 July 2020
Accepted: 30 September 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: This study was approved by the University Committee on Animal Research Protection of East China Normal University (license No: Zhang20190601) and written consent was obtained from the institutions and farms prior to study.
: Not applicable.
: None of the authors of this paper have any financial or personal relationships with other people or organizations that could inappropriately influence or bias the content of the paper.