Table 3.

Additive genetic, residual (co)variance and heritabilities estimates, obtained using non-transformed (Non) and log and Box–Cox (BC) transformed data for Angus cattle.

Components	(Co)variance components
	Mean			Largest			Repeatability model
	Non	Transform		Non	Transform		Non	Transform
		Log	BC		Log	BC		Log	BC
Additive genetic	1443.20	0.232	0.659	4513.07	0.236	2.501	660.64	0.180	0.500
Residual	1830.98	0.342	0.665	18320.71	0.339	1.779	4701.04	0.733	2.031
Permanent environment	–	–	–	–	–	–	1553.92	0.149	0.428
h2 ± EP	0.21 ± 0.08	0.40 ± 0.08	0.50 ± 0.08	0.20 ± 0.08	0.40 ± 0.08	0.58 ± 0.08	0.10 ± 0.03	0.17 ± 0.03	0.17 ± 0.03
r	–	–	–	–	–	–	0.31	0.30	0.31