Funding for this research was provided by:
the 863 project (2013AA102504)
the National Science and Technology Programs of China (2011BAD28B02)
National Key Technologies R&D Program (2012BAD12B01)
Beijing Dairy Industry Innovation Team, China Agricultural Research System (CARS-37)
Xinjiang Province Key Technology Integration and Demonstration Program (201230116)
Article History
Received: 22 March 2018
Accepted: 23 May 2019
First Online: 10 June 2019
Ethics approval and consent to participate
: The phenotypic data were collected from eleven AI centers in China with the owners’ consents approved by the Institutional Animal Care and Use Committee (IACUC) at China Agricultural University.
: Not applicable.
: The authors declare that they have no competing interests.