Funding for this research was provided by:
the National Key R&D Program of China (2016YFD0501409-02)
the Chinese Academy of Agricultural Science and Technology Innovation Project (CAAS-XTCX2016011-01)
the National Chicken Industry Technology System of China (CARS-41)
Text and Data Mining valid from 2019-08-19
Received: 8 April 2019
Accepted: 10 August 2019
First Online: 19 August 2019
Ethics approval and consent to participate
: This article does not contain any studies with human participants or animal performed by any of the authors.
: The authors declare that they have no competing interests.