Received: 8 October 2018
Accepted: 18 July 2019
First Online: 23 July 2019
Ethics approval and consent to participate
: All animal research procedures were conducted according to the established guidelines and regulations of the Institutional Animal Care and Use Committee of Poultry Institute, and all relevant procedures were approved by the committee under License No. 17–12.
: Not applicable.
: All authors have declared no conflict of interest.