Skip to main content
. 2017 Mar 24;58(4):487–498. doi: 10.1007/s13353-017-0392-7

Table 3.

Genetic correlations with production traits of most commonly used feed efficiency traits: feed conversion ratio (FCR), residual feed intake (RFI), and coefficient of digestibility (CDU)

Trait Genetic correlation with production traits References
FCR body weight at 38 days (0.07), body weight at 42 days (0.35), feed intake (0.38), leg/breast weight (0.10), liver weight (0.23), heart weight (0.16), abdominal fat content (0.35) Gaya et al. (2006)
leg yield (-0.70), abdominal fat yield (0.44), breast yield (0.00) N’dri et al. (2006)
metabolic body weight (0.57), body weight gain (-0.14), FI (0.54) Aggrey et al. (2010)
body weight (0.11) Ankra-Badu et al. (2010)
average daily feed intake (0.91) Howie et al. (2011)
body weight gain (-0.55), FI (0.45) Aggrey et al. (2014)
RFI body weight 4 wk (-0.18), body weight gain (-0.13) Zhang et al. (2003)
leg yield (-0.32), abdominal fat yield (0.44), breast yield (-0.35) N’dri et al. (2006)
metabolic body weight (0.45), body weight gain (0.06), feed intake (0.33) Aggrey et al. (2010)
body weight gain (-0.02), FI (0.29) Aggrey et al. (2014)
body weight 0–4 wk (0.17), body weight 5–6 wk (0.27) González-Cerón et al. (2015)
CDU (total dry matter) body weight at 23 days (0.16) De Verdal et al. (2011)