Table 8
Effects of castration age on carcass characteristics of Hanwoo steers

ItemCastration ageaSEp-value
C90C180
Yield traitsb
 Carcass weight (kg)455.17 ± 39.86469.24 ± 46.9143.3610.289
 Back fat thickness (mm)13.17 ± 3.6612.33 ± 3.973.8110.469
 Rib eye area (cm2)97.26 ± 11.6695.86 ± 8.3610.2230.652
 Yield index64.95 ± 2.7864.90 ± 3.243.0100.960
 Yield grade scorec2.00 ± 0.671.90 ± 0.700.6870.648
Quality traitsd
 Marbling score6.96 ± 1.336.52 ± 1.401.3640.299
 Meat color4.91 ± 0.514.76 ± 0.620.5700.385
 Fat color2.74 ± 0.452.57 ± 0.510.4780.251
 Texture1.09 ± 0.291.05 ± 0.220.2570.615
 Quality grade scoree4.22 ± 0.674.14 ± 0.650.6630.712