Table 1 Growth characteristics (average ± S.E.) of 10 % of the chickens with the lowest and highest residual feed intake rankings

RFI during 44–83-d old (g)

−17.40 (±0.45)

20.16 (±0.56)

/

ADFI (g)

87.32 (±0.90)

126.10 (±1.18)

<0.01

Body weight at 44-d old (g)

771.60 (±9.31)

770.62 (±10.78)

0.94

Body weight at 83-d old (g)

1832.92 (±16.07)

1858.03(±16.07)

0.35

ADG (g)

27.8 (±0.31)

27.98 (±0.46)

0.75

MBW (g)

1318.3 (±11.69)

1335.0 (±15.12)

0.38

FCR during 44–83-d old

3.31 (±0.03)

4.76 (±0.09)

<0.01