About the Authors

Dianna Bowles

dianna.bowles@york.ac.uk

Affiliations Department of Biology, University of York, York, United Kingdom, The Sheep Trust, registered charity 1094514, University of York, York, United Kingdom

Amanda Carson

Affiliation The Sheep Trust, registered charity 1094514, University of York, York, United Kingdom

Peter Isaac

Affiliation IDna Genetics Ltd, Norwich Research Park, Norwich, United Kingdom

Competing Interests

PI is employed by a commercial company (IDna Genetics Ltd). This does not alter the authors' adherence to all of the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: DB AC PI. Performed the experiments: PI. Analyzed the data: DB PI. Contributed reagents/materials/analysis tools: PI. Wrote the paper: DB AC PI.