Table 3.
Genetic correlations (above the diagonal) and phenotypic correlations (below the diagonal) among growth and egg production traits in L, F and K strains

Strain1	Trait2	BW150	BW270	DAY1st	EW1st	EW270	EP270
L	BW150		0.91 (0.014)3	0.11 (0.055)	0.39 (0.065)	0.49 (0.039)	−0.16 (0.071)
	BW270	0.72 (0.007)		0.14 (0.052)	0.37 (0.063)	0.45 (0.038)	−0.14 (0.069)
	DAY1st	−0.02 (0.017)	0.08 (0.017)		0.66 (0.051)	0.17 (0.052)	−0.63 (0.052)
	EW1st	0.15 (0.014)	0.16 (0.014)	0.39 (0.013)		0.73 (0.045)	−0.33 (0.088)
	EW270	0.33 (0.014)	0.37 (0.014)	0.11 (0.017)	0.32 (0.013)		−0.24 (0.068)
	EP270	−0.08 (0.016)	−0.13 (0.016)	−0.46 (0.012)	−0.18 (0.014)	−0.13 (0.016)
F	BW150		0.91 (0.014)	0.17 (0.053)	0.22 (0.065)	0.47 (0.04)	−0.10 (0.066)
	BW270	0.67 (0.008)		0.13 (0.052)	0.25 (0.063)	0.46 (0.038)	−0.08 (0.064)
	DAY1st	0.04 (0.016)	0.06 (0.016)		0.67 (0.054)	0.25 (0.054)	−0.73 (0.044)
	EW1st	0.09 (0.014)	0.08 (0.014)	0.33 (0.012)		0.66 (0.054)	−0.60 (0.074)
	EW270	0.32 (0.015)	0.37 (0.014)	0.11 (0.016)	0.23 (0.014)		−0.45 (0.063)
	EP270	0.02 (0.015)	0.03 (0.015)	−0.42 (0.012)	−0.16 (0.013)	−0.11 (0.016)
K	BW150		0.90 (0.014)	0.05 (0.058)	0.25 (0.067)	0.39 (0.039)	0.01 (0.068)
	BW270	0.68 (0.008)		0.15 (0.055)	0.22 (0.065)	0.36 (0.037)	−0.03 (0.066)
	DAY1st	−0.04 (0.015)	0.10 (0.015)		0.48 (0.069)	0.20 (0.055)	−0.69 (0.049)
	EW1st	0.07 (0.013)	0.07 (0.014)	0.27 (0.013)		0.50 (0.060)	−0.37 (0.089)
	EW270	0.29 (0.014)	0.34 (0.014)	0.13 (0.015)	0.21 (0.013)		−0.42 (0.061)
	EP270	0.07 (0.014)	0.04 (0.015)	−0.48 (0.011)	−0.13 (0.013)	−0.15 (0.015)

L, Black Korean native chicken; F, K, Korean White Leghorn.
BW150 (g), body weight at 150 days; BW270 (g), body weight at 270 days; DAY1st (days): age at first egg; EW1st (g), egg weight at first egg; EW270 (g), egg weight at 270 days; EP270 (eggs), number of eggs laid by 270 days.
Standard errors of the estimates are in parentheses.