Table 4 Heritability (h 2), genetic standard deviation (σ g ), accuracies (r), accuracy of genomic prediction (r GBV ), economic values (EV) and weights (ew) for various traits used in the simulation
DGE Trait groupa | Trait (abbreviation) | Unit | h 2 | σ g | r | r GBV | EV ($/unit) | ew ($/unit) |
|---|---|---|---|---|---|---|---|---|
Slaughter | Carcase weight (CWT) | kg | 0.30 | 1.10 | 0.60 | 0.50 | 2.60 | 3.74 |
Weaning weight (WWT) | kg | 0.20 | 1.57 | 0.58 | 0.48 | 0.93 | 1.36 | |
Annual | Number of lambs born (NLB) | Lambs | 0.10 | 0.18 | 0.25 | 0.54 | 22.31 | 22.31 |
Ewe mature weight (EWT) | kg | 0.45 | 0.99 | 0.30 | 0.50 | −0.94 | −1.49 | |
Ewe body condition score (BCS) | Score | 0.18 | 0.30 | 0.30 | – | 12.93 | 12.93 | |
Survival maternal (SURm) | Lambs | 0.05 | 0.09 | 0.16 | – | 52.20 | 83.78 | |
Weaning weight maternal (WWTm) | kg | 0.10 | 1.11 | 0.25 | 0.47 | 1.02 | 1.21 | |
Hogget | Stayability (Stay) | Binary | 0.15 | 0.15 | 0.41 | – | 19.28 | 19.28 |
Lambing | Lamb survival (SUR) | Lambs | 0.01 | 0.04 | 0.13 | – | 52.20 | 92.46 |