Table 3.

Within-breed heritability estimates estimated by REML in GBLUP analyses

Trait 1	Angus	Charolais	Hereford	Limousin	Simmental
WBSF	0.52	0.46	0.17	0.09	0.08
REA	0.61	0.21	0.23	0.55	0.29
MARB	0.51	0.57	0.49	0.41	0.87
FT	0.40	0.50	0.28	0.94	0.65
HCW	0.31	0.65	0.37	0.51	0.11
YG	0.39	0.50	0.23	0.79	0.45

¹WBSF, Warner-Bratzler Shear Force; REA, Ribeye Muscle Area; MARB, Marbling score; FT, Backfat Thickness; HCW, Hot Carcass Weight; YG, Yield Grade.