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\section{Results and Discusion}  While the study was larger than preceding attempts, the sample number was still small when considering heritability calculations. The lack of date resulted in wide 95\% credible intervals, which require more samples to tighten. The heritability indicate indicates  that growth strain can be influenced by breeding, and are in line with the 0.3-0.5 0.32  reported by \cite{Murphy_2005}, they are significantly higher than the 0.02 value reported by \cite{naranjo2012early}. Density, diameter at age 2 (growth), acoustic velocity and stiffness all have significant heritability that breeding for values of these traits is achievable, as has been reported for other species --refs--. Volumetric shrinkage has lower heritability, --contrast to other studies?-- suggesting it may require intense selection or other technologies to become manageable. \begin{table}