About the Authors

Fei Meng

Affiliation College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China

Yuanying Zhang

Affiliation College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China

Feng Liu

Affiliation College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong, P. R. China

Xingqi Guo

Affiliation College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China

Baohua Xu

bhxu@sdau.edu.cn

Affiliation College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BX FM. Performed the experiments: FM YZ. Analyzed the data: FM. Contributed reagents/materials/analysis tools: FL XG. Wrote the paper: FM.