Table 3.
Heritability (bold, on diagonal), phenotypic (above diagonal), and genetic (below diagonal) correlations, with standard errors (in brackets) for phenotypic traits in the combined population of the 22nd and 23rd generation of NEAUHLF lines.
| Traits | BW4 | BW7 | BWG | MMBW | FI | FIT | RFI | FCR | AFW | AFP |
|---|---|---|---|---|---|---|---|---|---|---|
| BW4 | 0.42 (0.08) | 0.75 (0.02) | 0.25 (0.05) | 0.88 (0.01) | 0.51 (0.03) | 0.23 (0.03) | 0.49 (0.03) | 0.18 (0.04) | 0.15 (0.04) | 0.19 (0.03) |
| BW7 | 0.81 (0.06) | 0.35 (0.08) | 0.89 (0.01) | 0.97 (0.01) | 0.82 (0.01) | 0.80 (0.01) | 0.18 (0.03) | −0.21 (0.04) | 0.01 (0.05) | 0.16 (0.03) |
| BWG | 0.29 (0.17) | 0.88 (0.04) | 0.28 (0.07) | 0.77 (0.02) | 0.83 (0.01) | 0.97 (0.00) | −0.39 (0.03) | −0.61 (0.02) | −0.16 (0.04) | 0.03 (0.04) |
| MMBW | 0.91 (0.03) | 0.98 (0.01) | 0.76 (0.07) | 0.38 (0.09) | 0.77 (0.02) | 0.65 (0.02) | 0.30 (0.33) | −0.08 (0.04) | 0.41 (0.04) | 0.18 (0.03) |
| FI | 0.33 (0.13) | 0.67 (0.08) | 0.825 (0.06) | 0.58 (0.09) | 0.45 (0.08) | 0.79 (0.01) | 0.40 (0.00) | 0.09 (0.04) | 0.35 (0.04) | 0.23 (0.03) |
| FIT | 0.16 (0.15) | 0.68 (0.08) | 0.97 (0.01) | 0.52 (0.11) | 0.85 (0.05) | 0.37 (0.08) | −0.21 (0.04) | −0.45 (0.03) | −0.16 (0.04) | 0.06 (0.04) |
| RFI | 0.32 (0.14) | 0.22 (0.16) | −0.19 (0.17) | 0.27 (0.15) | 0.48 (0.12) | −0.08 (0.16) | 0.38 (0.08) | 0.79 (0.01) | 0.30 (0.03) | 0.29 (0.03) |
| FCR | −0.17 (0.17) | −0.11 (0.17) | −0.16 (0.19) | −0.12 (0.17) | 0.49 (0.14) | 0.01 (0.18) | 0.77 (0.07) | 0.36 (0.09) | 0.17 (0.04) | 0.20 (0.04) |
| AFW | 0.34 (0.18) | 0.14 (0.21) | −0.21 (0.21) | 0.58 (0.12) | 0.41 (0.15) | −0.15 (0.20) | 0.56 (0.17) | 0.49 (0.19) | 0.33 (0.09) | 0.87 (0.01) |
| AFP | 0.31 (0.17) | 0.18 (0.19) | −0.10 (0.20) | 0.24 (0.18) | 0.25 (0.16) | −0.04 (0.18) | 0.58 (0.159) | 0.51 (0.17) | 0.92 (0.01) | 0.30 (0.083) |
Abbreviations: AFW, abdominal fat weight at week 7; AFP, abdominal fat percentage at week; BW4, body weight at week 4; BW7, body weight at week 7; BWG, body weight gain; FCR, feed conversion ratio; FI, feed intake; FIT, feed intake in theory; MMBW, mid-test metabolic body weight; NEAUHLF, Northeast Agricultural University High and Low Fat; RFI, residual feed intake from week 4 to week 7.