About the Authors

Yan Lin

Affiliation Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, and Animal Nutrition Institute of Sichuan Agricultural University, Ya'an, Sichuan, P R China

Zheng-feng Fang

Affiliation Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, and Animal Nutrition Institute of Sichuan Agricultural University, Ya'an, Sichuan, P R China

Lian-qiang Che

Affiliation Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, and Animal Nutrition Institute of Sichuan Agricultural University, Ya'an, Sichuan, P R China

Sheng-yu Xu

Affiliation Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, and Animal Nutrition Institute of Sichuan Agricultural University, Ya'an, Sichuan, P R China

De Wu

pig2pig@sina.com

Affiliation Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, and Animal Nutrition Institute of Sichuan Agricultural University, Ya'an, Sichuan, P R China

Cai-mei Wu

Affiliation Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, and Animal Nutrition Institute of Sichuan Agricultural University, Ya'an, Sichuan, P R China

Xiu-qun Wu

Affiliation Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, and Animal Nutrition Institute of Sichuan Agricultural University, Ya'an, Sichuan, P R China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YL DW ZF. Performed the experiments: YL. Analyzed the data: YL. Contributed reagents/materials/analysis tools: YL LC SX CW XW. Wrote the paper: YL.