Funding for this research was provided by:
the National Modern Meat Caprine Industrial Technology System (nycytx-39)
Central Public-interest Scientific Institution Basal Research Fond (1610312017012)
he Key Technologies R & D program of Gansu, China (1504NKCA054-4)
Received: 28 June 2018
Accepted: 21 December 2018
First Online: 7 January 2019
Ethics approval and consent to participate
: All trials were conducted with the approval of the Ethical Committee of the Lanzhou Veterinary Research Institute of the Chinese Academy of Agricultural Sciences in Lanzhou, China (research permit number 2014-11-6).
: Not applicable.
: The authors declare that they have no competing interests.
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