1. School of Environmental and Life Sciences, Discipline of Biological Sciences, The University of Newcastle, University Drive, Callaghan, New South Wales 2308, Australia
2. Analytical and Biomolecular Research Facility, The University of Newcastle, University Drive, Callaghan, New South Wales 2308, Australia
3. Koorana Crocodile Farm, Coowonga, Queensland 4702, Australia
4. School of Agriculture and Food Science, The University of Queensland, Gatton, Queensland 4343, Australia