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Table 3 Genetic correlations and phenotypic correlations between FCR, RFI and other traits

From: Feed conversion ratio, residual feed intake and cholecystokinin type A receptor gene polymorphisms are associated with feed intake and average daily gain in a Chinese local chicken population

Character

RFI, g

FCR

FCR

0.693 ± 0.094a

–

0.653** b

–

BW at 56 d of age, g

0.0281 ± 0.183

0.261 ± 0.166

0.111**

0.044

BW at 115 d of age, g

−0.163 ± 0.167

− 0.496 ± 0.132

0.050**

− 0.395**

ADG, g

−0.198 ± 0.165

−0.710 ± 0.092

0

−0.561**

ADFI, g

0.334 ± 0.154

−0.143 ± 0.173

0.501**

−0.11

MMBW, g

−0.125 ± 0.178

−0.176 ± 0.173

0

−0.163**

  1. aGenetic correlations, rg = Mean ± standard deviation; b Phenotypic correlations, rp; ** P < 0.01