. 2020 Nov 20;100(2):488–495. doi: 10.1016/j.psj.2020.11.024

Table 4.

Association analysis between reproductive traits and the RFRP gene (mean ± SE).

Locus	Genotype	Traits
Locus	Genotype	FR (%)	FEHR (%)	HEHR (%)	EP300 (n)	EW300 (g)	AFE (d)
	AA (330)	0.94 ± 0.010	0.91 ± 0.012	0.88 ± 0.013	95.40 ± 0.587^a	47.59 ± 0.087	150.22 ± 0.434
A276G	AG (87)	0.96 ± 0.019	0.90 ± 0.023	0.88 ± 0.024	92.33 ± 1.144^b	47.64 ± 0.169	151.67 ± 0.846
	GG (17)	1.00 ± 0.044	0.94 ± 0.052	0.94 ± 0.055	95.06 ± 2.587^a,b	47.22 ± 0.382	148.65 ± 1.914
	GG (127)	0.94 ± 0.016	0.91 ± 0.019	0.88 ± 0.020	94.86 ± 0.953	47.81 ± 0.139^a	150.4 ± 0.702
G1396A	GA (97)	0.95 ± 0.019	0.93 ± 0.022	0.91 ± 0.023	95.35 ± 1.091	47.24 ± 0.159^b	150.61 ± 0.804
	AA (210)	0.94 ± 0.013	0.90 ± 0.015	0.87 ± 0.016	94.61 ± 0.741	47.60 ± 0.108^a,b	150.62 ± 0.546
	GG (364)	0.95 ± 0.009^a,b	0.92 ± 0.011	0.89 ± 0.012	94.80 ± 0.562	47.60 ± 0.083	150.40 ± 0.415
G1694A	GA (51)	0.97 ± 0.025^a	0.89 ± 0.030	0.88 ± 0.032	94.02 ± 1.501	47.44 ± 0.220	150.24 ± 1.105
	AA (19)	0.86 ± 0.041^b	0.86 ± 0.049	0.83 ± 0.052	98.00 ± 2.460	47.63 ± 0.361	151.95 ± 1.815
	AA (384)	0.95 ± 0.009	0.91 ± 0.011	0.88 ± 0.012	94.56 ± 0.545^b	47.53 ± 0.080	150.59 ± 0.406
A2659G	AG (38)	0.92 ± 0.029	0.90 ± 0.035	0.88 ± 0.037	95.61 ± 1.732^a,b	47.98 ± 0.255	150.24 ± 1.280
	GG (12)	0.94 ± 0.052	0.97 ± 0.062	0.93 ± 0.066	101.83 ± 3.082^a	47.83 ± 0.453	146.33 ± 2.277

^a,bAt the same locus, the difference between genotypes with different lowercase letters was significant (P < 0.05), and the difference between the same letters was not significant (P > 0.05).

Abbreviations: AFE, age at first egg; EP300, egg production at 300 d of age; EW300, egg weight at 300 d of age; FEHR, hatching rate of fertilized eggs; FR, fertilization rate; HEHR, hatching rate of hatching eggs; RFRP, RFamide-related peptide.