Funding for this research was provided by:
The earmarked fund for China Agriculture Research System (CARS-46)
Natural Science Foundation of China (31572662)
Jiangsu Natural Science Foundation (BK20171152)
The Research Innovation Program for graduate students of academic degree in Jiangsu Province in 2016
Article History
Received: 28 September 2017
Accepted: 5 April 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: The study protocol was granted by the Research Ethics Committee, Wuxi Fisheries College of Nanjing Agriculture University (Permit No. NJYY20160929–1), and all methods were performed in accordance with the approved guidelines and regulations.
: The authors declare that they have no competing interests.
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