Genetic architecture of fatty acid composition in the longissimus dorsi muscle revealed by genome-wide association studies on diverse pig populations

Table 1 Summary statistics for fatty acid composition in three pig populations

Trait	Laiwu			Erhualian			DLY
Trait	N	Mean ± SD	h ² ± SE	N	Mean ± SD	h ² ± SE	N	Mean ± SD	h ² ± SE
Myristic (C14:0)	305	1.34 ± 0.12	0.67 ± 0.09	331	1.34 ± 0.18	0.81 ± 0.08	608	1.31 ± 0.12	0.51 ± 0.08
Palmitic (C16:0)	305	26.50 ± 1.00	0.56 ± 0.08	331	25.00 ± 1.30	0.73 ± 0.08	608	23.88 ± 1.22	0.56 ± 0.08
Palmitoleic (C16:1n-7)	305	3.87 ± 0.60	0.70 ± 0.06	331	3.62 ± 0.68	0.77 ± 0.08	608	3.91 ± 0.46	0.67 ± 0.09
Stearic (C18:0)	305	12.09 ± 1.11	0.57 ± 0.09	331	12.58 ± 1.25	0.75 ± 0.09	608	11.36 ± 1.14	0.64 ± 0.09
Oleic (C18:1n-9)	305	46.42 ± 1.58	0.48 ± 0.10	331	46.17 ± 2.26	0.76 ± 0.09	608	45.36 ± 2.04	0.46 ± 0.09
Linoleic (C18:2n-6)	305	3.63 ± 0.80	0.01 ± 0.05	331	4.46 ± 0.89	0.48 ± 0.10	608	5.40 ± 1.51	0.29 ± 0.09
Linolenic (C18:3n-3)	305	0.11 ± 0.03	0.12 ± 0.09	331	0.13 ± 0.03	0.45 ± 0.10	608	0.19 ± 0.07	0.26 ± 0.09
Arachidic (C20:0)	305	0.19 ± 0.03	0.72 ± 0.11	331	0.25 ± 0.05	0.73 ± 0.08	608	0.19 ± 0.03	0.77 ± 0.08
Eicosenoic (C20:1n-9)	305	0.75 ± 0.15	0.82 ± 0.07	331	0.74 ± 0.13	0.63 ± 0.10	608	0.86 ± 0.11	0.46 ± 0.08
Eicosadienoic (C20:2n-6)	305	0.20 ± 0.04	0.18 ± 0.10	331	0.25 ± 0.05	0.59 ± 0.09	608	0.28 ± 0.07	0.43 ± 0.09
Homolonolenic (C20:3n-6)	305	0.05 ± 0.01	0.26 ± 0.10	331	0.08 ± 0.02	0.39 ± 0.10	602	0.09 ± 0.03	0.18 ± 0.08
Arachidonic (C20:4n-6)	305	0.18 ± 0.08	0.20 ± 0.10	331	0.25 ± 0.09	0.46 ± 0.10	608	0.48 ± 0.29	0.13 ± 0.07

N stands for the number of individuals in each population
h ² represents the heritability of each trait for each population; heritabilities were estimated using the −l mm procedure of GEMMA based on genome-wide SNP genotypes [16]

ISSN: 1297-9686