About the Authors
Institute of Environmental Science and Research Ltd., Porirua, Wellington, New Zealand
Hopkirk Research Institute, AgResearch Grasslands Research Centre, Palmerston North, New Zealand
Genetics Department, La Trobe University, Melbourne, Australia
Department of Biomedical Sciences, Tufts Cummings School of Veterinary Medicine, North Grafton, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DRM CBS. Performed the experiments: DRM. Analyzed the data: DRM GBH WNG WRH CBS. Contributed reagents/materials/analysis tools: GBH. Wrote the paper: DRM CBS.