1. New South Wales Department of Primary Industries, Agricultural Research Centre, Trangie, NSW, Australia
2. Cooperative Research Centre for Sheep Industry Innovation, University of New England, Armidale, NSW, Australia
3. New South Wales Department of Primary Industries, Orange Agricultural Institute, Orange, NSW, Australia
4. School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
5. Animal Genetics and Breeding Unit, University of New England, Armidale, NSW, Australia
6. Department of Primary Industries and Regional Development, Baron Hay Court, South Perth, WA, Australia
7. New South Wales Department of Primary Industries, Centre for Red Meat and Sheep Development, Cowra, NSW, Australia
8. South Australian Research and Development Institute, Naracoorte, SA, Australia
9. Agriculture Victoria, Department of Economic Development, Jobs, Transport and Resources, Attwood, VIC, Australia
10. School of Veterinary and Life Sciences, Murdoch University, Murdoch, WA, Australia