This research was financially supported by a grant from the National Science Foundation for Young Scientists of China (No. 31902294), the Youth Science Foundation of Hunan Agricultural University (No. 18QN24), the Natural Science Foundation of Hunan Province, China (No. 2018JJ2167) and the Double First‐Class Construction Project of Hunan Agricultural University (No. SYL201802016). This study was approved by the Animal Ethics Committee of Hunan Agricultural University (No. 43321503). The authors declare that they have no conflicts of interest.
This research was financially supported by a grant from the National Science Foundation for Young Scientists of China (No. 31902294), the Youth Science Foundation of Hunan Agricultural University (No. 18QN24), the Natural Science Foundation of Hunan Province, China (No. 2018JJ2167) and the Double First-Class Construction Project of Hunan Agricultural University (No. SYL201802016). This study was approved by the Animal Ethics Committee of Hunan Agricultural University (No. 43321503). The authors declare that they have no conflicts of interest.