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 | σ a 2 | σ e 2 | σ 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 |
The numbers in parentheses are standard errors.
h2, heritability; σ a 2 , genetic variance; σ e 2 , residual variance; σ p 2 , phenotypic variance; CVg, 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.