Table 2 Estimated genetic parameters (± standard errors) for 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).

BW23

0.28 ± 0.04

0.15 ± 0.01

0.99 ± 0.01

0.66 ± 0.06

0.24 ± 0.06

-0.24 ± 0.06

0.70 ± 0.05

WG

0.30 ± 0.06

0.60 ± ne²

0.24 ± 0.07

-0.35 ± ne

0.54 ± ne

FI

0.47 ± 0.05

-0.66 ± 0.05

0.64 ± ne

0.99 ± ne

AMEn

0.30 ± 0.02

0.08 ± 0.01

-0.98 ± 0.02

-0.60 ± 0.06

FCR

0.21 ± 0.02

0.06 ± 0.01

0.57 ± ne

RFI

0.46 ± 0.06