Breeding value prediction for production traits in layer chickens using pedigree or genomic relationships in a reduced animal model

Table 1 Description of the population in terms of the number, mean and standard deviation of phenotypes by trait and generation

Generation		ePD	eEW	ePS	eAH	eCO	eE3	eC3	eYW	eSM	lBW	lPD	lEW	lPS	lAH	lCO	lYW
	N	2,738	2,737	2,738	2,737	2,738	2,729	2,729	2,728	2,738	647	635	649	649	649	649	646
G1Training	Mean	80.93	56.81	1425	7.06	73.33	43.64	74.56	15.19	149.30	1.96	77.25	61.46	1,435	6.56	72.38	17.80
	Std	11.28	4.60	38.38	0.95	7.74	4.54	7.92	1.12	7.42	0.25	12.07	4.60	24.96	0.87	7.64	1.21
	N	2,772	2,772	2,770	2,771	2,771	2,752	2,753	2,736	2,772	793	784	794	794	794	794	793
G2Training	Mean	82.39	57.48	1388	7.50	71.37	46.72	74.41	15.12	156.34	1.97	80.55	62.22	1,400	7.21	66.87	17.78
	Std	11.30	4.76	39.88	1.02	8.19	5.13	7.68	1.13	9.89	0.23	12.11	4.50	40.60	0.91	9.28	1.31
	N	2,965	2,964	2,964	2,963	2,964	2,951	2,952	2,958	2,964	781	778	782	782	782	782	781
G3Training	Mean	84.85	57.92	1495	7.41	76.11	47.33	75.43	15.31	159.81	1.95	82.36	63.52	1,509	7.19	72.89	18.14
	Std	9.77	4.85	42.52	1.03	7.52	4.64	7.85	1.15	6.21	0.25	11.00	4.66	36.38	0.90	7.90	1.35
	N	2,117	2,117	2,115	2,116	2,117	2,103	2,103	2,115	2,117	759	755	768	769	769	769	768
G4Training	Mean	83.32	57.20	1460	7.37	77.15	45.22	78.10	15.10	147.57	1.77	80.02	62.65	1,496	6.87	70.93	18.09
	Std	10.28	4.92	42.79	0.98	7.72	4.74	7.86	1.23	7.82	0.27	11.02	4.77	36.61	0.94	8.59	1.38
	N	2,167	2,167	2,164	2,167	2,167	2,157	2,158	2,164	2,167	768	769	772	772	771	772	769
G5Training	Mean	85.99	58.59	1486	8.06	78.70	47.38	79.38	15.20	155.33	1.81	82.90	62.66	1,477	7.65	72.71	17.88
	Std	9.55	4.93	46.84	1.01	8.16	4.96	7.59	1.20	8.80	0.25	10.01	4.67	36.53	0.89	9.08	1.41
	N	290	290	289	290	290	278	278	290	290	277	274	280	280	280	280	275
G5Validation	Mean	83.09	59.17	1,493	7.70	78.06	45.02	80.19	15.38	148.89	1.80	77.38	63.31	1,488	7.47	71.55	17.92
	Std	9.20	4.78	41.74	1.09	7.29	4.53	7.56	1.10	7.84	0.27	11.70	4.93	35.01	0.93	8.58	1.38

Early (e) traits recorded at 26-28 weeks of life: egg production (ePD); age at sexual maturity (eSM); shell quality (ePS); weight of first 3 eggs (eE3); color of first 3 eggs (eC3); egg weight (eEW); albumen height (eAH); egg color (eCO); and yolk weight (eYW); late (l) traits recorded at 42-46 weeks: body weight (lBW); egg production (lPD); egg weight (lEW); albumen height (lAH); egg color (lCO); and yolk weight (lYW)

ISSN: 1297-9686