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

Table 2 Characterization of 1 Mb significant genomic windows for abdominal fat and skin traits in the TT Reference Population

Trait	GGA (Mb)^a	SNP window (first – last position)^a	Number of SNP/ window	Number of genes/ window^b	Proportion of genetic variance explained by the SNP window	PPA^c
ABF	5 (38)	38,000,437–38,996,916	396	31	0.92	0.84
	10 (7)	7,000,336–7,998,549	592	21	0.58	0.93
	13 (3)	3,002,617–3,998,616	460	16	1.45	0.88
	20 (5)	5,000,651–5,999,452	492	53	0.94	0.88
	26 (1)	1,002,598–1,999,851	662	74	1.06	0.95
ABFP	5 (38)	38,000,437–38,996,916	396	31	0.64	0.82
	10 (7)	7,000,336–7,998,549	592	21	0.61	0.90
	13 (3)	3,002,617–3,998,616	460	16	1.49	0.89
	26 (1)	1,002,598–1,999,851	662	74	0.54	0.92
SKINW	15 (6)	6,000,311–6,999,944	544	62	0.73	0.89
	24 (5)	5,000,105–5,999,010	778	60	0.56	0.91
	27 (3)	3,000,222–3,997,124	933	52	0.60	0.94
SKINP	9 (4)	4,000,836–4,999,336	482	50	0.73	0.83
	15 (6)	6,000,311–6,999,944	544	62	0.71	0.91
	27 (3)	3,000,222–3,997,124	933	52	0.57	0.95

ABF bdominal fat weight, ABFP abdominal fat percentage, SKINW skin weight, SKINP skin percentage
^aMap position based on Gallus_gallus-5.0 assembly (NCBI)
^bNumber of genes annotated within the genomic window based on Ensembl Genes 90 Database
^cPosterior probability of association (PPA) as described by Onteru et al. [31]

ISSN: 1471-2164