Genome-wide association analysis of egg production performance in chickens across the whole laying period

BMC Genomic Data

Table 1 Descriptive statistics for AFE and egg number in different stage

Traits	N	Mean	SD	CV(%)	h ² (SE)
AFE	1063	137.37d	5.7	4.15	0.51 (0.09)
EN1	1063	24.15	5.48	22.67	0.53 (0.08)
EN2	1063	95.16	2.16	2.27	0.16 (0.06)
EN3	1063	84.58	6.07	7.17	0.24 (0.07)
EN4	1060	64.71	11.17	17.27	0.23 (0.07)
EN5	1004	105.57	27.33	25.89	0.14 (0.06)
Total-EN	1063	368.13	47.84	13.00	0.09 (0.05)

Abbreviations: AFE: age at first egg; EN1, EN2, EN3, EN4, EN5: total egg numbers in each of five stages (from onset of laying eggs to 23 weeks, from 23 to 37 weeks, from 37 to 50 weeks, from 50 to 61 weeks and from 61 to 80 weeks); Total-EN: total egg number from onset of laying eggs to 80 weeks; N number of samples, SD standard deviation, CV coefficient of variance; h²(SE), pedigree-based heritability (standard error)

ISSN: 2730-6844