About the Authors

Jennifer Hughes

jrhughes@ucdavis.edu

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

Trish Berger

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JRH TB. Performed the experiments: JRH TB. Analyzed the data: JRH. Contributed reagents/materials/analysis tools: JRH TB. Wrote the paper: JRH TB.