Funding for this research was provided by:
Natural Science Foundation of Anhui Province (1808085QC61)
Open Fund of Anhui Provincial Key Laboratory of Local Animal Genetic Resources Conservation and Biobreeding (AKLGRCB2017008)
Key Science and Technology Program of Anhui Province (1704a07020091)
Received: 15 October 2019
Accepted: 1 April 2020
First Online: 9 April 2020
Ethics approval and consent to participate
: All the experimental procedures were performed in accordance with Regulations for the Administration of Affairs Concerning Experimental Animals (Ministry of Science and Technology, China, revised in June 2004) and were approved by the Institutional Animal Care and Use Committee of Anhui Agricultural University (permit number: SYXK 2016–007). The whole protocols were carried out in accordance with relevant regulations by this committee. All chickens were humanely sacrificed and all efforts were made to relieve the suffering of these birds.
: Not applicable.
: The authors declare that they have no competing interests.