Download FAR 2015/69 Potential techniques for ageing paua

Several techniques to estimate age in paua have recently been investigated, including the counting of protein layers in the shell, oxygen isotope ratio techniques and radiocarbon dating. In three of the nine shells examined the estimate of age was similar across all three techniques. In the other six shells the number of protein layers in the shell and the estimated isotopic ages were much more similar than the radiocarbon dating results.