Funding for this research was provided by:
the Central Public-interest Scientific Institution Basal Research Fund, CAFS (NO. 2017HY-ZD1005, NO. 2018JBF01)
the Science and technology support program of Hubei Province (2015BBA234)
Text and Data Mining valid from 2018-10-04
Received: 7 June 2018
Accepted: 23 September 2018
First Online: 4 October 2018
Compliance with ethical standards
: The authors declare that they have no competing interests.
: The study was performed in strict accordance with the Guide for the Care and Use of Laboratory Animals Monitoring Committee of Hubei Province, China, and the protocol was approved by the Committee on the Ethics of Animal Experiments at the Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences. The Chinese rice-field eels were euthanized for 20–30 min in 1 mg of MS-222 (Sigma) per ml to limit their suffering before tissue collection.