The authors thank Ms Margaret Blackberry for the assay
of insulin and leptin and Dr Allan Lisle for expert statistical advice and assistance with statistical analyses. We
are grateful to Dr David Coates (CSIRO, Townsville) for
conducting the crude protein and digestible dry matter
analyses, and to Mr Tom Connolly for expert management
of the animals. The financial support of the CRC (Project
4.1.2) for Beef Genetic Technologies is gratefully acknowledged.