TABLE 4.
Estimates of variance components and heritability for growth traits of Fogera cattle at Andassa Livestock Research Center, Ethiopia
| Trait | Models | σ 2 a | σ 2 m | cov ( a , m ) | σ 2 pe | σ 2 e | σ 2 p | h 2 a | m 2 a | ram | c 2 | Log L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BWT | 1 | 0.16 ± 0.13 | – | – | – | 0.34 ± 0.12 | 0.51 ± 0.06 | 0.31 ± 0.25 | – | – | – | −1746 |
| 2 | 1.21 ± 0.43 | 0.39 ± 0.21 | – | – | 4.11 ± 0.31 | 5.71 ± 0.25 | 0.21 ± 0.07 | 0.06 ± 0.04 | – | – | −1744 | |
| 3 | 1.18 ± 0.50 | 0.03 ± 0.33 | 0.026 ± 0.33 | 0.37±0.32 | 4.12 ± 0.34 | 5.71 ± 0.25 | 0.21 ± 0.08 | 0.003 ± 0.05 | 0.04 ± 0.51 | 0.06 ± 0.3 | −1744 | |
| 4 | 1.21 ± 0.44 | 0.38 ± 0.30 | – | 0.001 ± 0.29 | 4.11 ± 0.33 | 5.71 ± 0.25 | 0.21 ± 0.07 | 0.066 ± 0.05 | – | 0.07 ± 0.2 | −1744 | |
| 5 | 1.18 ± 0.50 | 0.03 ± 0.30 | 0.26 ± 0.33 | 0.001 ± 0.29 | 4.12 ± 0.36 | 5.71 ± 0.25 | 0.21 ± 0.08 | 0.004 ± 0.06 | 0.04 ± 0.51 | 0.07 ± 0.3 | −1744 | |
| WWT | 1 | 93.4 ± 23.0 | – | – | – | 149 ± 18.0 | 242 ± 12.9 | 0.38 ± 0.08 | – | – | – | 2875 |
| 2 | 95.2 ± 26.2 | 94.5±12.4 | – | – | 147 ± 18.2 | 242.4 ± 13 | 0.39 ± 0.09 | 0.00 ± 0.05 | – | – | −2874 | |
| 3 | 1.10 ± 0.27 | 1.04 ± 0.03 | 0.77 ± 0.18 | 1.05 ± 0.02 | 3.98 ± 0.32 | 0.27 ± 0.01 | 0.26 ± 0.01 | – | 0.72 ± 0.02 | 3.89 ± 0.00 | −2866 | |
| 4 | 95.2±26.2 | 0.00 ± 20.9 | – | 0.001 ± 21.1 | 147 ± 19.1 | 242 ± 13.1 | 0.39 ± 0.09 | 0.000 ± 0.09 | – | 4.13 ± 0.20 | −2874 | |
| 5 | 222 ± 71.5 | 74.6 ± 45.5 | 122 ± 47 | 5.04 ± 24.0 | 82.7 ± 38.8 | 262 ± 20.1 | 0.18 ± 0.21 | 0.28 ± 0.16 | −0.94 ± 0.13 | 0.01 ± 0.21 | −2866 | |
| PADG | 1 | 0.10 ± 0.00 | – | – | – | 0.20 ± 0.00 | 0.30 ± 0.00 | 0.33 ± 0.00 | – | – | – | −20,026,444 |
| 2 | 0.00 ± 0.00 | 0.10 ± 0.01 | – | – | 0.23 ± 0.00 | 0.51 ± 0.003 | 0.34 ± 0.13 | 0.193 ± 0.16 | – | – | 1246 | |
| 3 | 0.20 ± 0.00 | 0.10 ± 0.00 | 0.10 ± 0.001 | – | 0.202 ± 0.00 | 0.60 ± 0.00 | 0.33 ± 0.00 | 0.16 ± 0.00 | 0.71 ± 0.001 | – | −37,449,745 | |
| 4 | 0.15 ± 0.00 | 0.2 ± 0.001 | – | 0.002 ± 0.12 | 0.20 ± 0.00 | 0.7 ± 0.00 | 0.20 ± 0.00 | 0.267 ± 0.00 | – | 0.33 ± 0.00 | −32,095,9986 | |
| 5 | 0.003 ± 0.01 | 0.002 ± 0.10 | 0.18 ± 0.01 | 0.001 ± 0.01 | 0.16 ± 0.01 | 0.006 ± 0.00 | 0.55 ± 0.19 | 0.32 ± 0.21 | −0.70 ± 0.20 | 0.17 ± 0.01 | 1948 | |
| PKR | 1 | 0.10 ± 0.00 | – | – | – | 0.20 ± 0.00 | 0.30 ± 0.00 | 0.33 ± 0.00 | – | – | – | −200,264,436 |
| 2 | 0.002 ± 0.00 | 0.001 ± 0.00 | – | – | 0.001 ± 0.0 | 0.005 ± 0.004 | 0.33 ± 0.01 | 0.33 ± 0.01 | – | – | −98,806 | |
| 3 | 0.54 ± 0.20 | 0.30 ± 0.13 | −0.35 ± 0.14 | – | 0.52 ± 0.11 | 1.02 ± 0.64 | 0.53 ± 0.18 | 0.30 ± 0.12 | −0.30 ± 0.15 | – | −440 | |
| 4 | 0.01 ± 0.00 | 0.13 ± 0.00 | – | 0.014 ± 0.00 | 0.014 ± 0.00 | 0.053 ± 0.00 | 0.205 ± 0.01 | 0.25 ± 0.03 | – | 0.26 ± 0.00 | −9327 | |
| 5 | 0.99 ± 0.02 | 0.06 ± 0.03 | 0.02 ± 0.01 | – | 0.15 ± 0.01 | 0.41 ± 0.016 | 0.24 ± 0.05 | 0.14 ± 0.07 | 0.24 ± 0.23 | – | −792 | |
| PGE | 1 | 0.23 ± 0.007 | – | – | – | 046 ± 0.005 | 0.7 ± 0.003 | 0.33 ± 00.01 | – | – | – | −47,822 |
| 2 | 0.001 ± 0.00 | 0.001 ± 0.00 | – | – | 0.001 ± 0.00 | 0.003 ± 0.00 | 0.33 ± 0.00 | 0.33 ± 0.00 | – | – | −13,419,833 | |
| 3 | 0.02 ± 0.00 | 0.01 ± 0.00 | 0.01 ± 0.00 | – | 0.02 ± 0.00 | 0.06 ± 0.00 | 0.33 ± 0.002 | 0.16 ± 0.00 | 0.7 ± 0.08 | – | −648,328 | |
| 4 | 0.002 ± 0.00 | 0.002 ± 0.00 | – | 0.002 ± 0.01 | 0.002 ± 0.00 | 0.007 ± 0.04 | 0.28 ± 0.001 | 0.28 ± 0.01 | – | 0.28 ± 0.01 | −6,027,690 | |
| 5 | 0.002 ± 0.07 | 0.002 ± 0.00 | 0.001 ± 0.00 | 0.002 ± 0.00 | 0.003 ± 0.05 | 0.01 ± 0.00 | 0.21 ± 0.01 | 0.15 ± 0.001 | 0.57 ± 0.04 | 0.2 ± 0.00 | −4,458,638 | |
| PRGR | 1 | 0.1 ± 0.00 | – | – | – | 0.3 ± 0.00 | 0.40 ± 0.00 | 0.25 ± 0.00 | – | – | – | −16,764,024 |
| 2 | 0.01 ± 0.00 | 0.001 ± 0.00 | – | – | 0.01 ± 0.00 | 0.02 ± 0.00 | 0.50 ± 0.00 | 0.05 ± 0.00 | – | – | −1,645,196 | |
| 3 | 0.02 ± 0.00 | 0.01 ± 0.00 | 0.01 ± 0.00 | – | 0.02 ± 0.00 | 0.06 ± 0.00 | 0.33 ± 0.00 | 0.17±0.00 | 0.71 ± 0.01 | – | −648,328 | |
| 4 | 0.001 ± 0.00 | 0.002 ± 0.00 | – | 0.002 ± 0.00 | 0.002 ± 0.00 | 0.008 ± 0.00 | 0.12 ± 0.00 | 0.25 ± 0.00 | – | 0.25 ± 0.00 | −6,027,690 | |
| 5 | 0.002 ± 00 | 0.001 ± 0.00 | 0.001 ± 0.00 | 0.002 ± 0.00 | 0.003 ± 0.00 | 0.01 ± 0.00 | 0.20 ± 0.00 | 0.10 ± 0.00 | 0.58 ± 0.00 | 0.2 ± 0.00 | −4,458,638 |
Abbreviations: σ 2 a , direct additive genetic variance; σ 2 m , maternal additive genetic variance; σ 2 pe , permanent maternal environmental variance; σ 2 e , residual variance; σ 2 p , phenotypic variance; h 2, direct additive heritability; m 2, maternal genetic heritability; c 2, the fraction of total variance to maternal permanent environmental effect; Log L, log‐likelihood ratio.
Note. Models in bold face are those models selected based on Log values.