EEr, Hehua
Ma, Lina
Xie, Xiulan
Ma, Jifeng
Ma, Xiaoming
Yue, Caijuan
Ma, Qing
Liang, Xiaojun
Ding, Wei
Li, Yingkang http://orcid.org/0000-0002-3929-905X
Article History
Received: 7 September 2018
Accepted: 6 September 2019
First Online: 5 February 2020
Compliance with ethical standards
: The animal ethics and welfare committee of NingXia Academy of Agriculture and Forestry Sciences approved the experimental procedures which is in compliance with the regulations for protection of animal research.
: The authors declare that they have no conflict of interest.