About the Authors

Mei S. Yamaguchi

Roles Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Mechanical and Aerospace Engineering, University of California, Davis, California, United States of America

Holly H. Ganz

Roles Data curation, Resources, Writing – original draft

Affiliation Genome Center, University of California, Davis, California, United States of America

Adrienne W. Cho

Roles Data curation

Affiliation Genome Center, University of California, Davis, California, United States of America

Thant H. Zaw

Roles Data curation

Affiliation Genome Center, University of California, Davis, California, United States of America

Guillaume Jospin

Roles Data curation

Affiliation Genome Center, University of California, Davis, California, United States of America

Mitchell M. McCartney

Roles Data curation, Formal analysis, Writing – review & editing

Affiliation Department of Mechanical and Aerospace Engineering, University of California, Davis, California, United States of America

Cristina E. Davis

Roles Writing – review & editing

Affiliation Department of Mechanical and Aerospace Engineering, University of California, Davis, California, United States of America

Jonathan A. Eisen

Roles Methodology, Writing – review & editing

jaeisen@ucdavis.edu

Affiliations Genome Center, University of California, Davis, California, United States of America, Department of Evolution and Ecology, University of California, Davis, California, United States of America, Department of Medical Microbiology and Immunology, University of California, Davis, Davis, California, United States of America

David A. Coil

Roles Data curation, Methodology, Project administration, Writing – original draft, Writing – review & editing

Affiliation Genome Center, University of California, Davis, California, United States of America

Competing Interests

After starting this research, Holly H Ganz founded a company called AnimalBiome that performs microbiome assessments and creates therapeutics for companion animals with digestive conditions. HHG completed her contributions to this research independently from the commercial activities of AnimalBiome, which does not offer products or services related to anal sac secretions. HHG serves as CEO of AnimalBiome and has equity in the company. Jonathan A. Eisen serves on the Scientific Advisory Board for AnimalBiome and has equity in the company. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The remaining authors have declared that no competing interests exist.