Table 1.

Scale of measurement, number of records (n), mean (µ), genetic standard deviation (SD_g) and heritability estimates (h²) of the functional and muscular linear type traits

Trait	Scale	Angusa			Charolaisa			Hereforda			Limousina			Simmentala
		n = 3,220–3,356			n = 23,070–31,048			n = 2,390–3,004			n = 30,491–35,158			n = 6,638–8,632
		µ	SDg	h 2	µ	SDg	h 2	µ	SDg	h 2	µ	SDg	h 2	µ	SDg	h 2
Functional	1–10
Locomotion	low–high	7.7	0.28	0.12	7.7	0.32	0.12	7.8	0.00	0.00	8.1	0.17	0.04	8.1	0.18	0.04
Foreleg front view	toes out– toes in	5.3	0.24	0.13	6.2	0.24	0.09	5.5	0.00	0.00	6.2	0.16	0.06	6.7	0.20	0.06
Hind-leg side view	straight– sickled	7.2	0.21	0.08	7.3	0.27	0.09	7.3	0.24	0.11	7.6	0.24	0.08	7.4	0.21	0.06
Hind-leg rear view	toes out– toes in	5.3	0.16	0.04	6.0	0.26	0.06	5.6	0.00	0.00	6.4	0.21	0.04	5.6	0.25	0.06
Muscular	1–15
Development of hind quarter	low–high	8.0	0.43	0.22	9.7	0.60	0.30	8.1	0.35	0.14	11.5	0.52	0.25	10.9	0.51	0.24
Development of loin	low–high	8.2	0.37	0.13	9.4	0.52	0.21	8.7	0.31	0.10	10.6	0.45	0.17	9.9	0.47	0.18
Thigh width	narrow– wide	8.2	0.38	0.14	9.7	0.55	0.22	8.2	0.40	0.16	10.2	0.53	0.23	9.9	0.55	0.24
Development of inner thigh	low–high	8.5	0.37	0.14	10.4	0.62	0.28	8.3	0.43	0.20	11.1	0.54	0.24	10.4	0.51	0.23
Width of withers	narrow– wide	8.9	0.51	0.22	9.4	0.51	0.21	8.9	0.41	0.16	10.3	0.46	0.19	10.2	0.54	0.22
Width behind withers	narrow– wide	7.5	0.39	0.13	8.6	0.46	0.18	7.9	0.40	0.15	9.5	0.43	0.17	9.1	0.48	0.18

^aStandard error of the heritability estimates in Angus ≤ 0.05. Standard error of the heritability estimates in Charolais ≤ 0.02. Standard error of the heritability estimates in Hereford ≤ 0.05. Standard error of the heritability estimates in Limousin ≤ 0.02. Standard error of the heritability estimates in Simmental ≤ 0.03.