1. Animal Science, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia
2. Sydney School of Veterinary Science, The University of Sydney, Camden, NSW 2570, Australia
3. Inghams Enterprises Pty. Ltd., Burton, SA 5110, Australia
4. Biosecurity SA, Department of Primary Industries and Regions SA, Glenside, SA 5065, Australia
5. Birling laboratories, Bringelly, NSW 2556, Australia