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Table 3 Pearson correlation coefficients between feed efficiency traits with growth and metabolizable efficiency traits

From: New insights into the associations among feed efficiency, metabolizable efficiency traits and related QTL regions in broiler chickens

Traits1 RFI FCR
FCR 0.76**
ADFI 0.39** −0.06
BW28 0.00 0.28**
BW42 0.00 −0.20**
ADG 0.00 −0.49**
DEW 0.43** 0.00
GEE 0.39** −0.03
CPE 0.52** 0.18*
MDM 0.36** −0.08
AMEn 0.39** −0.05
MCP 0.18* −0.25**
Coefficient of MDM −0.17* −0.14
Coefficient of AMEn −0.01 0.02
Coefficient of MCP −0.41** −0.41**
AbF 0.29** 0.05
AbP 0.31** 0.09
  1. 1RFI residual feed intake; FCR feed conversion ratio; ADFI average daily feed intake; BW28 body weight at 28 d of age; BW42 body weight at 42 d of age; ADG average daily gain; DEW dry excreta weight; GEE gross energy excretion; CPE crude protein excretion; MDM metabolizable dry matter; AMEn nitrogen corrected apparent metabolizable energy; MCP metabolizable crude protein; AbF weight of abdominal fat; AbP percentage of abdominal fat; *P < 0.05, **P < 0.01