Text and Data Mining valid from 2019-08-14
Received: 6 March 2019
Accepted: 8 August 2019
First Online: 14 August 2019
: All the blood sample collections were performed in accordance with the Guidelines for Experimental Animals established by the Ministry of Agriculture of China (Beijing, China). The whole study was approved by the Animal Welfare Committee of China Agricultural University (permit number: SYXK 2007–0023).
: Not Applicable.
: The authors declare that they have no competing interests.