Table 3. Estimates of heritability, additive genetic variance, residual variance, phenotypic variance, and coefficient of genetic variance for reproductive and carcass traits in Hanwoo cows.

Traits	h2	${\sigma }_a^2$	${\sigma }_e^2$	${\sigma }_p^2$	CVg (%)
CI	0.10 (0.05)1)	280.41 (143.80)	2,616.93 (170.65)	2,902.65 (127.75)	4.42
AFC	0.13 (0.05)	697.16 (275.85)	4,689.72 (311.90)	5,383.78 (236.91)	3.56
GL	0.17 (0.06)	7.54 (2.58)	37.51 (2.72)	45.44 (2.05)	0.96
NAIPC	0.11 (0.04)	0.04 (0.02)	0.37 (0.02)	0.41 (0.02)	15.50
CWT	0.37 (0.07)	918.70 (185.23)	1,546.92 (152.21)	2,491.93 (118.34)	8.09
EMA	0.35 (0.07)	56.87 (12.19)	105.91 (10.20)	163.64 (7.68)	8.59
BF	0.27 (0.06)	9.08 (2.28)	24.08 (2.06)	33.33 (1.54)	22.34
MS	0.45 (0.07)	1.66 (0.29)	2.07 (0.22)	3.74 (0.18)	31.58

¹⁾The numbers in parentheses are standard errors.

h², heritability; ${\sigma }_a^2$, genetic variance; ${\sigma }_e^2$, residual variance; ${\sigma }_p^2$, phenotypic variance; CV_g, coefficient of genetic variance; CI, calving interval; AFC, age at first calving; GL, gestation length; NAIPC, number of artificial inseminations per conception; CWT, carcass weight; EMA, eye muscle area; BF, backfat thickness; MS, marbling score.