Table 4 The descriptive statistics of body weight, egg production and egg weight traits.

From: Whole-genome sequencing identifies potential candidate genes for egg production traits in laying ducks (Anas platyrhynchos)

Trait	N	Mean	SD	Min	Max	CV
BW0 (g)	329	38.43	1.09	34.80	42.10	2.84
BW17 (kg)	328	1.34	0.06	1.12	1.51	4.61
BW43 (kg)	326	1.45	0.08	1.24	1.70	5.77
BW72 (kg)	325	1.46	0.13	1.13	1.86	8.92
EW20	314	53.95	5.87	32.40	75.40	10.89
EW26	316	62.82	4.42	51.43	76.88	7.03
EW32	312	67.33	4.46	53.51	80.26	6.62
EW38	325	70.16	4.50	56.73	85.55	6.41
EW41	320	71.67	4.61	55.70	84.87	6.43
EW44	326	71.53	4.26	60.30	82.38	5.96
EW50	315	71.80	5.08	54.65	88.25	7.07
EW56	306	72.21	5.00	57.10	85.44	6.92
EW59	312	70.82	4.73	55.80	84.50	6.68
EW65	316	71.04	4.83	55.53	85.50	6.80
EW68	286	69.36	5.01	54.00	84.45	7.22
EW71	273	69.57	5.08	56.46	87.60	7.30
EWA	329	68.49	3.88	57.50	82.22	5.67
EW	327	22.87	2.69	13.70	30.42	11.76
EP17	329	4.72	2.11	0.00	8.00	44.80
EP18	329	10.09	3.54	0.00	15.00	35.12
EP19	329	15.66	4.67	0.00	22.00	29.83
EP20	327	21.69	5.39	2.00	29.00	24.82
EP21	326	27.83	6.03	6.00	36.00	21.67
EP22	328	33.80	7.24	7.00	43.00	21.41
EP23	326	40.29	7.62	12.00	50.00	18.90
EP24	324	46.67	7.95	19.00	57.00	17.04
EP25	325	52.18	9.02	19.00	64.00	17.29
EP26	322	58.64	9.20	27.00	71.00	15.69
EP27	323	65.03	9.78	30.00	78.00	15.04
EP28	324	71.42	10.34	33.00	85.00	14.48
EP29	324	78.02	10.67	40.00	92.00	13.68
EP30	324	84.55	11.11	47.00	99.00	13.14
EP31	326	90.80	12.15	46.00	106.00	13.38
EP32	325	97.27	12.61	52.00	113.00	12.97
EP33	325	103.47	13.32	58.00	120.00	12.87
EP34	325	109.84	13.97	58.00	127.00	12.72
EP35	323	116.62	13.91	69.00	134.00	11.93
EP36	324	122.88	14.66	69.00	141.00	11.93
EP37	324	129.41	15.03	75.00	148.00	11.61
EP38	325	135.77	15.70	78.00	155.00	11.57
EP39	325	142.41	15.89	84.00	162.00	11.16
EP40	324	149.22	15.72	92.00	169.00	10.53
EP41	324	155.73	15.85	99.00	176.00	10.18
EP42	324	162.15	16.27	103.00	182.00	10.04
EP43	324	168.58	16.78	109.00	189.00	9.95
EP44	323	175.27	16.85	113.00	196.00	9.61
EP45	323	181.91	17.09	120.00	203.00	9.40
EP46	323	188.59	17.23	125.00	210.00	9.14
EP47	323	195.24	17.39	132.00	217.00	8.91
EP48	321	202.22	16.99	144.00	224.00	8.40
EP49	321	208.69	17.25	151.00	231.00	8.27
EP50	321	215.13	17.56	156.00	238.00	8.16
EP51	321	221.55	17.82	161.00	245.00	8.04
EP52	321	227.72	18.07	164.00	252.00	7.94
EP53	321	233.87	18.43	169.00	259.00	7.88
EP54	322	239.67	19.49	169.00	266.00	8.13
EP55	322	245.70	20.12	175.00	273.00	8.19
EP56	321	252.07	20.40	182.00	280.00	8.09
EP57	321	258.15	21.07	188.00	287.00	8.16
EP58	321	264.25	21.75	191.00	294.00	8.23
EP59	321	270.17	22.36	195.00	301.00	8.28
EP60	321	275.87	22.99	198.00	308.00	8.33
EP61	321	281.79	23.60	202.00	315.00	8.38
EP62	321	287.75	24.27	209.00	319.00	8.44
EP63	321	293.69	25.03	213.00	326.00	8.52
EP64	321	299.60	25.73	214.00	332.00	8.59
EP65	321	305.24	26.52	216.00	339.00	8.69
EP66	322	310.49	27.91	216.00	346.00	8.99
EP67	322	315.88	28.78	217.00	353.00	9.11
EP68	322	321.16	29.72	218.00	360.00	9.25
EP69	322	326.10	30.44	220.00	367.00	9.33
EP70	322	330.91	31.25	222.00	373.00	9.44
EP71	322	335.55	32.15	224.00	380.00	9.58
EP21,22	327	12.18	3.05	1.00	15.00	25.04
EP43,44	325	12.86	2.55	0.00	14.00	19.82
EP56,57	322	12.19	3.30	0.00	14.00	27.07
EP70,71	323	9.42	4.66	0.00	14.00	49.51

BW0, BW17, BW43 and BW72, body weight at birth date, 17, 43 and 72 weeks; EW20, EW26, EW32, EW38, EW41, EW44, EW50, EW56, EW59, EW65 and EW68, egg weight at 20, 26, 32, 38, 41, 44, 50, 56, 59, 65, 68 weeks; EW71EN17 ~ EN71, egg production at 17–71 weeks; EN21,22, EN43,44, EN56,57 and EN70,71, egg production at 21–22, 43–44, 56–57, 70–71 weeks.
SD standard deviation, CV coefficient of variation.

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Table 4 The descriptive statistics of body weight, egg production and egg weight traits.

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