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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