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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