Funding for this research was provided by:
National Natural Science Foundation of China (31601955)
National Science and Technology Support Program (2012BAD39B01-5)
Science and Technology Program of Guangdong Province (2013A061401020, 2016A020210041)
Start-up Fund of the Natural Science Foundation of Guangdong Province (2016A030310322)
China Agriculture Research System (CARS-36)
Tianjin Science Technology Program (ITTPRS2017006, 15ZXZYNC00100)
Text and Data Mining valid from 2018-07-04
Received: 22 February 2018
Accepted: 24 June 2018
First Online: 4 July 2018
Ethics approval and consent to participate
: The experimental design were approved by Animal Care and Use Committee of the Institute of Animal Science, Guangdong Academy of Agricultural Sciences (Permit Number: GAASISA-2016-017). The collection of specimens in this work was strictly complied the approved guidelines and regulations of Animal Care and Use Committee.
: Not applicable.
: The authors declare that they have no competing interests.
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