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Table 2 Effects of family, sex, and plumage colour genotype (B/B, B/+, and +/+) on body weights, feed intake, egg production and body temperature (mean ± SD) of 9-week old Japanese quail, and comparisons between genotypes

From: The "silver" Japanese quail and the MITF gene: causal mutation, associated traits and homology with the "blue" chicken plumage

Trait Genotype Anova Significance of main effects Contrast
  White
( B / B )
Silver
( B /+)
Wild-type
(+/+)
R 2 Family Sex Genotype ( B / B )-(+/+) ( B /+)
-(+/+)
( B / B )-(B/+)
64-d BW after 12 h fasting (g) 148.5 ± 20.2 154.5 ± 15.6 158.2 ± 15.1 0.71 * *** ** -14.9*** NS -11.9**
85-d BW after 12 h fasting (g) 159.8 ± 23.5 161.4 ± 16.6 164.5 ± 16.2 0.73 ** *** * -11.3** NS -8.4*
Daily feed intake (g) 20.5 ± 5.2 21.1 ± 4.0 22.4 ± 5.1 0.78 * *** ** -3.43** NS -2.45*
BW gain on 3-wk feed test (g) 11.3 ± 7.4 6.9 ± 6.6 6.3 ± 5.8 0.26 NS NS NS NS NS NS
Egg number on 3-wk test 17.0 ± 6.1 19.1 ± 2.9 18.9 ± 4.3 0.37 NS - NS NS NS NS
Egg weight (g) 9.87 ± 0.87 9.61 ± 0.71 9.73 ± 0.52 0.59 * - NS NS NS NS
64-d body temperature (°C) 40.82 ± 0.40 41.16 ± 0.32 41.32 ± 0.29 0.50 NS NS *** -0.53*** -0.20** -0.33**
85-d body temperature (°C) 40.67 ± 0.25 41.23 ± 0.35 41.34 ± 0.33 0.51 NS NS *** -0.57*** NS -0.44***
90-d body temperature (°C) 41.19 ± 0.36 41.62 ± 0.35 41.74 ± 0.36 0.39 NS * * -0.44** NS -0.34*
  1. *:p < 0.05; **:p < 0.01; ***:p < 0.001; NS: not significant.