TABLE 4.

Component of variance and hereditability for the linear traits obtained in the different pedigree scenario in the IMB.

Scenario	Parameter	STAT	BD	BL	FA	FUA	RUW	UD	TP	TL	BCS
GOLD	σ2a	9.33	4.44	4.90	2.89	6.64	6.21	7.69	2.53	10.46	0.030
	σ2e	17.01	19.19	16.20	28.37	31.34	23.47	22.64	16.62	29.35	0.159
	σ2p	26.34	23.63	21.10	31.26	37.98	29.68	30.33	19.16	39.81	0.189
	h2 ± s.e.	0.35 ± 0.03	0.19 ± 0.03	0.23 ± 0.03	0.09 ± 0.02	0.17 ± 0.03	0.21 ± 0.03	0.25 ± 0.03	0.13 ± 0.03	0.26 ± 0.03	0.16 ± 0.03
Y30	σ2a	8.82	4.21	4.92	3.14	6.18	6.11	6.76	2.25	10.32	0.025
	σ2e	17.54	19.32	16.23	28.08	31.67	23.51	23.34	16.88	29.31	0.163
	σ2p	26.36	23.53	21.15	31.22	37.85	29.62	30.10	19.12	39.63	0.188
	h2 ± s.e.	0.33 ± 0.03	0.18 ± 0.03	0.23 ± 0.03	0.10 ± 0.03	0.16 ± 0.03	0.21 ± 0.03	0.22 ± 0.03	0.12 ± 0.03	0.26 ± 0.03	0.13 ± 0.03
Y60	σ2a	8.50	4.20	4.92	3.14	5.98	5.65	6.63	2.39	10.25	0.026
	σ2e	17.96	19.26	16.24	28.07	31.75	23.89	23.29	16.71	29.20	0.162
	σ2p	26.45	23.46	21.15	31.21	37.73	29.55	29.92	19.11	39.45	0.188
	h2 ± s.e.	0.32 ± 0.04	0.18 ± 0.04	0.23 ± 0.04	0.10 ± 0.03	0.16 ± 0.04	0.19 ± 0.04	0.22 ± 0.04	0.13 ± 0.03	0.26 ± 0.04	0.14 ± 0.04
GC30	σ2a	9.10	4.10	4.89	2.99	6.03	5.41	6.97	2.45	9.80	0.028
	σ2e	17.27	19.40	16.22	28.24	31.77	23.85	23.08	16.66	29.77	0.158
	σ2p	26.37	23.50	21.12	31.23	37.80	29.26	30.05	19.12	39.57	0.188
	h2 ± s.e.	0.35 ± 0.04	0.17 ± 0.03	0.23 ± 0.04	0.10 ± 0.03	0.16 ± 0.03	0.18 ± 0.04	0.23 ± 0.04	0.13 ± 0.03	0.25 ± 0.04	0.15 ± 0.04
GC60	σ2a	9.93	3.48	5.41	3.09	5.33	5.39	6.61	2.60	9.72	0.026
	σ2e	16.55	19.95	15.75	28.10	32.38	24.10	23.30	16.51	29.70	0.161
	σ2p	26.48	23.42	21.16	31.19	37.71	29.49	29.91	19.12	39.43	0.187
	h2 ± s.e.	0.38 ± 0.05	0.15 ± 0.05	0.26 ± 0.05	0.10 ± 0.04	0.14 ± 0.05	0.18 ± 0.05	0.22 ± 0.05	0.14 ± 0.04	0.25 ± 0.05	0.14 ± 0.05

σ²a = additive genetic variance; σ²e = residual variance; σ²p = phenotypic variance; h2 = hereditability; s.e. = standard error.