From: Single nucleotide polymorphisms for feed efficiency and performance in crossbred beef cattle
Trait1 | h2 ± SE |
---|---|
Average daily gain, kg d-1 | 0.35 ± 0.12 |
Mid-test metabolic weight, kg | 0.48 ± 0.13 |
Daily dry matter intake, kg d-1 | 0.42 ± 0.17 |
Residual feed intake, kg d-1 | 0.19 ± 0.11 |
Feed conversion ratio, kg gainkg-1 DM | 0.25 ± 0.13 |
Hot carcass weight (HCW), kg | 0.29 ± 0.10 |
Longissimus muscle area (LMA), cm2 | 0.50 ± 0.11 |
Lean meat within the rib section (LR), % | 0.48 ± 0.13 |
Lean yield grade (LY), % | 0.31 ± 0.10 |
Fat1 (F1), mm | 0.10 ± 0.08 |
Fat2 (F2), mm | 0.24 ± 0.10 |
Fat3 (F3), mm | 0.22 ± 0.10 |
Grade fat (GRF), mm | 0.24 ± 0.10 |
Proportion of intermuscular fat (IFR) within the rib section, % | 0.54 ± 0.14 |
Proportion of body cavity fat within the rib section (BFR), % | 0.23 ± 0.12 |
Proportion of subcutaneous fat from the rib section (SQFR), % | 0.20 ± 0.12 |
Marbling score,b | 0.41 ± 0.10 |