Table 3.

Laying performance of Three-Yellow breeder hens.

	Groups					P-value
Item	C	N1	N2	N3	SEM	ANOVA	Linear	Quadratic
55–58 W
Laying rate (%)	49.05a	49.98b	50.45b	50.45b	0.393	0.012	0.003	0.124
Egg mass (g/d/hen)	22.97a	23.64b	23.89b	23.81b	0.245	0.011	0.004	0.051
Average egg weight (g)	46.84	46.98	46.95	46.95	0.099	0.513	0.326	0.336
ADFI (g/d)	80.75	81.00	80.73	80.65	0.174	0.259	0.317	0.211
Feed egg ratio	3.52a	3.45b	3.41b	3.40b	0.029	0.006	0.001	0.187
59–62 W
Laying rate (%)	46.03a	49.13b	49.85b	49.80b	0.511	<0.001	<0.001	0.001
Egg mass (g/d/hen)	21.58a	23.60b	23.74b	23.57b	0.344	<0.001	<0.001	0.001
Average egg weight (g)	47.05	46.95	46.98	46.98	0.080	0.639	0.447	0.396
ADFI (g/d)	80.75	80.65	80.70	80.85	0.199	0.777	0.588	0.392
Feed egg ratio	3.74a	3.51b	3.42b	3.46b	0.051	<0.001	<0.001	0.003
55–62 W
Laying rate (%)	47.54a	49.55b	50.15b	50.13b	0.528	<0.001	<0.001	0.011
Egg mass (g/d/hen)	22.27a	23.62b	23.82b	23.69b	0.273	<0.001	<0.001	0.01
Average egg weight (g)	46.94	46.96	46.97	46.96	0.066	0.987	0.775	0.831
ADFI (g/d)	80.75	80.83	80.71	80.64	0.142	0.618	0.325	0.462
Feed egg ratio	3.63a	3.48b	3.42b	3.43b	0.042	<0.001	<0.001	0.010

^a-bMean values within a row with different superscripts letters denote statistical significantly difference (P < 0.05, n = 6). Abbreviations: ADFI, Average daily feed intake ; C, basal diet group; N1, N2, and N3, basal diets supplemented with 0.1%, 0.2%, and 0.4% of naringin, respectively.