TABLE 2.
Variance components and genetic parameter estimates for composite reproductive traits in Baluchi sheep.
| Trait | h2±SE | R±SE | EBVs range* | Accuracies avg (sd)** | ||||
| PBW | 0.09 | 0.03 | 0.28 | 0.41 | 0.23 ± 0.04 | 0.31 ± 0.02 | −0.52 ± 0.51 | 0.73 (0.06) |
| TLWB | 0.14 | 0.04 | 0.43 | 0.61 | 0.22 ± 0.04 | 0.29 ± 0.02 | −0.70 ± 0.73 | 0.73 (0.05) |
| LMWB | 0.10 | 0.02 | 0.27 | 0.39 | 0.25 ± 0.04 | 0.30 ± 0.02 | −0.56 ± 0.51 | 0.76 (0.05) |
| PWW | 2.38 | 2.66 | 14.84 | 19.88 | 0.12 ± 0.04 | 0.25 ± 0.02 | −1.73 ± 2.12 | 0.60 (0.06) |
| TLWW | 1.76 | 1.86 | 19.60 | 23.23 | 0.08 ± 0.03 | 0.15 ± 0.02 | −1.41 ± 1.65 | 0.50 (0.05) |
| LMWW | 1.86 | 1.25 | 11.60 | 14.72 | 0.13 ± 0.04 | 0.21 ± 0.02 | −2.01 ± 1.69 | 0.60 (0.06) |
PBW, Progeny Birth Weight; TLWB, Total Litter Weight at Birth; LMWB, Litter Mean Weight at Birth; PWW, Progeny Weaning Weight; TLWW, Total Litter Weight at Weaning; LMWW, Litter Mean Weight at Weaning;, additive genetic variance;, permanent environmental variance;, residual variance; , phenotypic variance; h2, heritability; R, repeatability; SE, standard error; *Estimated breeding values range in genotyped animals. **Average and standard deviation of accuracies for genotyped animals.