About the Authors

Xiaoyu Feng

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation Department of Animal Science, University of California, Davis, California, United States of America

Ermias Kebreab

Roles Conceptualization, Funding acquisition, Project administration, Writing – review & editing

ekebreab@ucdavis.edu

Affiliation Department of Animal Science, University of California, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.