Genetic parameters and response to selection for thermal tolerance, summer survival and growth in hybrid oyster (Crassostrea gigas ♀ × C. angulata ♂)

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Table 2

Estimation of additive genetic variance (), common full-sib environmental variance (), residual variance (), heritabilities (h²) ± standard error (SE), and common full-sib environmental effect (c²) ± standard error (SE) for thermal tolerance (TT), summer survival (SS) and shell height (SH) in C. gigas ♀ × C. angulata ♂.

Trait	Model				h² ± SE	c² ± SE
TT	LAM	6.32e-02	1.71e-08	1.69e-01	0.27 ± 0.05^*	7.37e-08
	TAMl	0.78	–	1.00	0.19 ± 0.03^*	–
	TAMp	0.29	–	1.00	0.23 ± 0.03^*	–
SS	LAM	2.96e-02	2.04e-08	2.01e-01	0.13 ± 0.03^*	8.81e-08
	TAMl	0.47	–	1.00	0.12 ± 0.02^*	–
	TAMp	0.17	–	1.00	0.15 ± 0.03^*	–
SH	LAM	52.58	–	112.42	0.32 ± 0.07^*	–

Value was not calculated since it was non-significant (LRT test).

^* Significance at 0.05 level (Z-score test).

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