Funding for this research was provided by:
the Key Research and Development Project of Shanxi Province (201803D31062)
Program for the Top Young Innovative Talents of Shanxi Agricultural University (TYIT201403)
National Natural Science Foundation of China (31402156, 31873002)
Received: 25 March 2019
Accepted: 1 August 2019
First Online: 14 August 2019
Ethics approval and consent to participate
: Housing and care of the alpacas and collection of skin samples were approved by the Animal Experimentation Ethics Committee of Shanxi Agricultural University, Taigu, China (SXAU-EAW-2019-L013003).
: Not applicable.
: The authors declare that they have no competing interests.