About the Authors

Genlai Li

Affiliation Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China

Hao Su

Affiliation Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China

Zhenjin Zhou

Affiliation Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China

Wen Yao

yaowen67jp@njau.edu.cn

Affiliations Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China, Key Lab of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing, Jiangsu, China

Competing Interests

Novus International provided financial support, as well as assistance in animal care and sample collection. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: WY GL. Performed the experiments: GL HS ZZ. Analyzed the data: GL. Wrote the paper: GL WY.