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Table 5 Posterior means of genetic and phenotypic correlations (PSD in parentheses) of production traits (BW and Gain) with two RFI traits (\({\text{RFI}}_{\text{P}}\) and \({\text{RFI}}_{\text{G}}\))

From: Genetic parameters for body weight and different definitions of residual feed intake in broiler chickens

Production traits

\({\text{RFI}}_{\text{P}}\)

Genetic correlation

Production traits

\({\text{RFI}}_{\text{G}}\)

Phenotypic correlation

\({\text{BW}}_{{{\text{m}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {\text{m tdays}} \right)}}\)

0.09 (0.09)

\({\text{BW}}_{{{\text{m}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {\text{m tdays}} \right)}}\)

− 0.04 (0.07)

\({\text{BW}}_{{{\text{f}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {\text{f tdays}} \right)}}\)

0.24 (0.08)

\({\text{BW}}_{{{\text{f}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {\text{f tdays}} \right)}}\)

− 0.15 (0.06)

\({\text{BW}}_{{{\text{m}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {{\text{m t}} - 6{\text{days}}} \right)}}\)

0.04 (0.11)

\({\text{BW}}_{{{\text{m}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {{\text{m t}} - 6{\text{days}}} \right)}}\)

− 0.002 (0.12)

\({\text{BW}}_{{{\text{f}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {{\text{f t}} - 6{\text{days }}} \right)}}\)

0.10 (0.09)

\({\text{BW}}_{{{\text{f}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {{\text{f t}} - 6{\text{days }}} \right)}}\)

− 0.05 (0.08)

\({\text{Gain}}_{{{\text{m}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {\text{m tdays}} \right)}}\)

0.32 (0.10)

\({\text{Gain}}_{{{\text{m}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {\text{m tdays}} \right)}}\)

− 0.27 (0.08)

\({\text{Gain}}_{{{\text{f}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {\text{f tdays}} \right)}}\)

0.20 (0.09)

\({\text{Gain}}_{{{\text{f}}\left( {\text{t}} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {\text{f tdays}} \right)}}\)

− 0.14 (0.08)

\({\text{Gain}}_{{{\text{m}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {{\text{m t}} - 6{\text{days }}} \right)}}\)

0.11 (0.13)

\({\text{Gain}}_{{{\text{m}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {{\text{m t}} - 6{\text{days }}} \right)}}\)

− 0.10 (0.13)

\({\text{Gain}}_{{{\text{f}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{P}}\left( {{\text{f t}} - 6{\text{days }}} \right)}}\)

0.12 (0.10)

\({\text{Gain}}_{{{\text{f}}\left( {{\text{t}} - 6} \right)}}\)

\({\text{RFI}}_{{{\text{G}}\left( {{\text{f t}} - 6{\text{days }}} \right)}}\)

− 0.09 (0.10)

  1. Abbreviations are as defined in Table 2