. 2012 Apr;25(4):559–568. doi: 10.5713/ajas.2011.11382

Table 7.

Effects of rearing systems on egg fatty acid composition of two layer strains

Fatty acid (%)	Organic		Conventional		SEM	p value

	White	Brown	White	Brown		Rearing	Genotype	R×G
Myristic C14:0	0.33	0.25	0.32	0.30	0.04	0.6448	0.2876	0.4280
Palmitic C16:0	25.33	25.39	25.24	24.86	0.33	0.3633	0.6250	0.5169
Margaric C17:0	0.20	0.17	0.14	0.17	0.02	0.1998	0.9496	0.3460
Stearic C18:0	8.71^a	7.83^b	9.06^a	7.1^c	0.22	0.3980	0.0001	0.0237
Total SFA	34.21^ab	33.82^b	34.87^a	32.54^c	0.35	0.3959	0.0004	0.0095
Heptadecenoic C17:1	0.22	0.08	0.07	0.12	0.05	0.3737	0.4045	0.1142
Palmitoleic C16:1	3.01^b	3.34^a	3.07^b	3.45^a	0.09	0.3405	0.0004	0.7868
Oleic C18:1	39.92	39.63	40.35	40.00	0.64	0.5356	0.6217	0.9643
Eicosenoic C20:1	0.18	0.17	0.15	0.18	0.02	0.7179	0.7544	0.4566
Miristoleic C14:1	0.02	0.02	0.02	0.04	0.007	0.1925	0.2841	0.2087
Total MUFA	43.59	43.28	43.7	43.83	0.62	0.5205	0.9554	0.7940
Linoleic C18:2	19.50	20.05	18.47	19.86	0.51	0.2319	0.0599	0.4002
Linolenic C18:3	0.81^b	0.93^b	0.90^b	1.15^a	0.04	0.0012	0.0002	0.1759
Arachidonic C20:4	0.14	0.07	0.13	0.12	0.02	0.5166	0.1151	0.2163
DHA C22:6	0.58	0.52	0.57	0.61	0.03	0.1717	0.7819	0.1376
Total PUFA	21.01	21.44	20.04	21.7	0.55	0.5158	0.0610	0.2662
Other	1.25	1.52	1.41	1.37	0.13	0.9514	0.4121	0.2678
Omega-6	19.66	20.13	18.61	19.99	0.51	0.2417	0.0724	0.3693
Omega-3	1.34^b	1.31^b	1.43^a	1.72^a	0.06	0.0004	0.0484	0.0171
n-6:n-3	14.28^b	15.56^a	12.53^c	11.95^c	0.43	0.0001	0.4318	0.0407
PUFA:SFA	0.59^b	0.63^ab	0.57^b	0.68^a	0.03	0.5801	0.0060	0.1575

^a,b,c

Values with the different superscript are significantly different.