Meta-analysis of genome-wide association studies uncovers shared candidate genes across breeds for pig fatness trait

Table 1 Summary of experimental data

Population	Breed	Number of Sample	Number of SNPs	Mean (mm)	Minimum (mm)	Maximum (mm)	SD (mm)	CV (%)	Chip
PP1	Duroc	1,993	39,311	9.82	4.58	17.45	1.66	16.94	a
PP2 [8]	Duroc	1,071	23,766	12.45	6.68	21.02	2.10	16.91	ab
PP3	Duroc	1,048	40,139	10.90	5.18	22.88	2.27	20.81	a
PP4	Duroc	353	39,082	12.47	8.98	16.59	1.45	11.64	b
PP5	Duroc	328	31,680	10.07	6.27	20.81	1.51	15.02	c
PP6	Duroc	190	39,927	12.07	8.06	19.71	2.02	16.70	a
PP7	Duroc	160	37,074	9.86	5.05	15.72	1.93	19.61	a
PP8	Yorkshire	2,179	41,314	11.14	3.02	23.35	2.51	22.55	ad
PP9	Yorkshire	1,794	41,360	10.74	4.29	29.09	2.73	25.41	ad
PP10	Yorkshire	1,259	45,002	11.77	5.03	22.01	2.42	20.56	a
PP11	Yorkshire	1,146	44,434	13.13	6.61	26.06	2.92	22.20	a
PP12	Yorkshire	406	44,200	16.25	7.17	22.76	2.36	14.51	a
PP13	Yorkshire	314	31,564	18.76	8.02	29.76	4.51	24.01	c
PP14	Yorkshire	177	40,070	12.02	7.53	17.33	1.66	13.83	c
PP15	Landrace	1,094	43,304	10.31	5.30	19.52	2.20	21.30	a
PP16	Landrace	556	30,705	18.89	8.66	29.69	4.51	23.86	c
PP17	Landrace	554	45,132	12.17	7.20	22.20	2.29	18.86	a
PP18	Landrace	552	43,644	12.00	5.75	22.87	2.71	22.59	a
PP19	Landrace	179	33,809	9.69	6.20	14.41	1.37	14.14	c

Chip a: GeneSeek GGP-Porcine Beadchip (Neogen Corporation, Lansing, MI, USA) with 50 K
Chip b: Illumina PorcineSNP60 BeadChip (Illumina, San Diego, CA, USA) with 60 K
Chip c: “ZhongxinI” Porcine Breeding Chip (Beijing Compass Agritechnology Co., Ltd., Beijing, China) with 50 K
Chip d: GeneSeek GGP-Porcine Beadchip (Neogen Corporation, Lansing, MI, USA) with 80 K

ISSN: 1471-2164