Funding for this research was provided by:
Earmarked Fund for Modern Agro-industry Technology Research System (CARS-35)
Agricultural Science and Technology Innovation Program (ASTIP-IAS02)
the National Key Technology R&D Program of China (2015BAD03B02-2)
Text and Data Mining valid from 2019-03-13
Received: 27 September 2018
Accepted: 24 January 2019
First Online: 13 March 2019
Ethics approval and consent to participate
: All animals were sacrificed by electric shock in Beijing Fifth Meat Processing Factory according to the guidelines for experimental animals established by the Council of China. The experiments involving animals were approved by the Science Research Department of the Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS) (Beijing, China).
: Not applicable.
: The authors declare that they have no competing interests.