Funding for this research was provided by:
Agricultural Science and Technology Innovation Program (ASTIP-IAS04, ASTIP-IAS18, ASTIP-IAS-TS-11)
grants from the National Natural Science Funds of China (No. 31372305)
Text and Data Mining valid from 2018-05-09
Received: 22 October 2017
Accepted: 26 April 2018
First Online: 9 May 2018
Ethics approval and consent to participate
: This study was conducted in accordance with the Guidelines for Experimental Animals established by the Ministry of Science and Technology (Beijing, China). The protocol was approved by the Science Research Department (in charge of animal welfare issues) of the Institute of Animal Sciences, Chinese Academy of Agricultural Sciences (Beijing, China). Consent to participate: Not applicable.
: The authors declare that they have no competing interests.
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