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. 2021 Jul 28;12:710613. doi: 10.3389/fgene.2021.710613

TABLE 2.

Variance components and genetic parameter estimates for composite reproductive traits in Baluchi sheep.

Trait σa2 σpe2 σe2 σP2 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;σa2, additive genetic variance;σpe2, permanent environmental variance;σe2, residual variance; σp2, 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.