Genome-wide association study dissects genetic architecture underlying longitudinal egg weights in chickens

BMC Genomics

Table 2 Summary of genetic analysis for egg weights at different ages

Trait^a	FEW	EW32	EW36	EW40	EW44	EW48	EW52	EW56	EW60
FEW	0.36 (0.04)	0.89 (0.04)	0.91 (0.04)	0.79 (0.05)	0.87 (0.05)	0.82 (0.05)	0.86 (0.05)	0.77 (0.06)	0.80 (0.05)
EW32	0.53	0.59 (0.04)	1.00 (0.01)	0.98 (0.01)	1.00 (0.01)	0.99 (0.01)	0.95 (0.02)	0.94 (0.02)	0.93 (0.02)
EW36	0.48	0.78	0.60 (0.04)	0.97 (0.01)	0.99 (0.01)	0.99 (0.01)	0.96 (0.02)	0.94 (0.02)	0.95 (0.02)
EW40	0.44	0.78	0.76	0.54 (0.04)	1.00 (0.01)	0.98 (0.01)	0.96 (0.02)	0.97 (0.02)	0.96 (0.02)
EW44	0.44	0.71	0.7	0.74	0.47 (0.04)	0.99 (0.01)	0.97 (0.02)	0.99 (0.02)	0.99 (0.02)
EW48	0.43	0.74	0.72	0.76	0.74	0.56 (0.05)	0.98 (0.01)	1.00 (0.02)	1.00 (0.01)
EW52	0.45	0.71	0.71	0.74	0.72	0.78	0.56 (0.05)	1.00 (0.01)	0.99 (0.01)
EW56	0.39	0.67	0.67	0.72	0.7	0.75	0.76	0.49 (0.05)	1.00 (0.01)
EW60	0.41	0.68	0.67	0.71	0.69	0.74	0.76	0.76	0.53 (0.05)

Diagonal: heritability estimates. Lower triangle: phenotypic correlations. Upper triangle: genetic correlations. Standard errors of the estimates are in parentheses
^aFEW = first egg weight; EW32, EW36, EW40, EW44, EW48, EW52, EW56, EW60 = egg weight per four weeks from 32 to 60 week of age

ISSN: 1471-2164