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Table 4 Variance components and heritability coefficients estimates for different ages obtained through the Legendre order four models

From: Analysis of longitudinal data of Nellore cattle from performance test at pasture using random regression model

Age	${\hat{σ}}_{a}^{2}$	${\hat{σ}}_{pe}^{2}$	${\hat{σ}}_{p}^{2}$	h ²
240	313.98	392.62	727.16	0.43
365	232.00	355.60	627.58	0.37
450	308.48	407.14	803.66	0.38
550	495.28	465.93	1073.13	0.46

${\hat{σ}}_{a}^{2}$ : additive direct genetic variance; ${\hat{σ}}_{pe}^{2}$ : animal permanent environment effect variance; ${\hat{σ}}_{p}^{2}$ : phenotypic variance; h²: heritability for direct effect.

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