Table 4 Genetic correlations (± standard errors) between body weight at 23 d (BW23), body weight gain (WG), feed intake (FI), apparent metabolisable energy (AMEn), feed conversion ratio (FCR) and residual feed intake (RFI) and characteristics of GIT morphology.
Trait1 | BW23 | WG | FI | AMEn | FCR | RFI |
|---|---|---|---|---|---|---|
CW | -0.18 ± 0.21 | -0.16 ± 0.21 | 0.19 ± 0.18 | 0.05 ± 0.09 | 0.18 ± 0.20 | 0.24 ± 0.18 |
PRW | -0.53 ± 0.28 | -0.75 ± 0.11 | -0.11 ± ne | 0.59 ± 0.22 | -0.25 ± ne2 | -0.67 ± 0.48 |
GZW | -0.45 ± 0.15 | -0.51 ± ne | -0.36 ± 0.15 | 0.43 ± 0.12 | -0.19 ± ne | -0.47 ± ne |
LW | -0.90 ± 0.10 | -0.99 ± ne | -0.64 ± ne | -0.49 ± 0.18 | 0.53 ± 0.28 | -0.32 ± 0.16 |
DW | -0.50 ± 0.15 | -0.50 ± 0.12 | 0.08 ± 0.13 | -0.36 ± 0.08 | 0.36 ± 0.09 | 0.02 ± 0.14 |
JW | -0.45 ± 0.15 | -0.54 ± 0.13 | 0.05 ± 0.12 | -0.67 ± 0.07 | 0.55 ± 0.09 | 0.02 ± 0.13 |
IW | -0.42 ± 0.13 | -0.63 ± 0.10 | 0.03 ± 0.10 | -0.77 ± 0.06 | 0.66 ± 0.08 | -0.03 ± ne |
DL | -0.94 ± 0.02 | -0.83 ± 0.08 | -0.46 ± ne | -0.05 ± 0.07 | -0.05 ± ne | -0.47 ± 0.10 |
JL | -0.96 ± 0.02 | -0.90 ± ne | -0.58 ± ne | -0.10 ± 0.07 | 0.07 ± 0.09 | -0.60 ± 0.09 |
IL | -0.95 ± 0.02 | -0.98 ± 0.01 | -0.60 ± 0.10 | -0.05 ± 0.07 | 0.01 ± ne | -0.63 ± ne |
DD | 0.76 ± 0.08 | 0.37 ± ne | 0.58 ± ne | -0.30 ± 0.07 | 0.25 ± 0.08 | 0.54 ± 0.10 |
JD | 0.60 ± 0.13 | 0.28 ± ne | 0.49 ± ne | -0.39 ± 0.07 | 0.32 ± 0.07 | 0.51 ± 0.10 |
ID | 0.58 ± 0.10 | 0.25 ± ne | 0.52 ± ne | -0.52 ± 0.07 | 0.47 ± 0.07 | 0.53 ± 0.10 |