A genome-wide association study reveals novel genomic regions and positional candidate genes for fat deposition in broiler chickens

Table 1 Descriptive statistics, variance components and genomic heritability for body weight at 42 days of age, abdominal fat and skin weights and percentages in the TT Reference Population

Trait	N	Average ± SD^a	Genetic variance	Residual Variance	Total variance	Genomic heritability^b
BW42	1311	2220.30 ± 258.86	12,378.000	25,423.100	37,801.100	0.33
ABF	1287	47.10 ± 14.03	46.599	96.079	142.677	0.33
ABFP	1287	2.13 ± 0.62	0.094	0.205	0.299	0.31
SKINW	1303	94.55 ± 16.12	29.936	96.443	126.379	0.23
SKINP	1303	4.25 ± 0.56	0.063	0.203	0.266	0.23

BW42: body weight at 42 days of age in grams; ABF abdominal fat weight in grams, ABFP abdominal fat percentage, SKINW skin weight in grams, SKINP skin percentage
^aStandard deviation of the mean
^bGenomic heritability estimated by Bayes B model

ISSN: 1471-2164