Funding for this research was provided by:
Program for New Excellent Talents in University of China (NCET-13-0485)
Agricultural Scientific and Technological Innovation Project of Shandong Academy of Agricultural Science (CXGC2016B03)
Text and Data Mining valid from 2018-08-13
Received: 6 February 2018
Accepted: 31 July 2018
First Online: 13 August 2018
: All the experimental procedures and animal care with cows involved in this study were approved by the Experimental Animal Manage Committee of NorthwestA&FUniversity (China).
: Not applicable.
: The authors declare that they have no competing interests.
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