Table 2.

Fatty acid composition (g/100 g of total fatty acids) of milk as affected by pasture type and supplement level; n = 12 ¹.

Fatty Acid	Pasture Type		Supplement Level		SEM	p-Value
	PAST1	PAST2	HIGH	LOW		P	S
C4:0	4.66	4.54	4.62	4.58	0.036	0.148	0.531
C6:0	2.71	2.64	2.69	2.66	0.025	0.174	0.519
C8:0	1.46	1.42	1.45	1.43	0.014	0.183	0.541
C10:0	2.83	2.78	2.81	2.80	0.013	0.101	0.669
C10:1	0.22	0.19	0.20	0.21	0.003	<0.001	0.798
C12:0	2.97	2.93	2.95	2.96	0.006	0.013	0.588
C13:0	0.16	0.14	0.16	0.14	0.008	0.343	0.343
iso-C14:0	0.20	0.23	0.20	0.23	0.003	0.002	0.002
C14:0	10.00	9.95	9.93	10.02	0.018	0.137	0.048
iso-C15:0	0.40	0.47	0.41	0.46	0.004	<0.001	<0.001
anteiso-C15:0	0.88	0.98	0.91	0.96	0.016	0.010	0.158
C14:1 c9	0.69	0.63	0.66	0.66	0.022	0.178	0.940
C15:0	1.39	1.45	1.37	1.48	0.014	0.064	0.003
iso-C16:0	0.41	0.49	0.43	0.47	0.005	<0.001	0.007
C16:0	24.97	24.75	24.79	24.93	0.024	0.001	0.021
C16:1 c7	0.23	0.24	0.22	0.24	0.005	0.307	0.058
iso-C17:0	0.55	0.56	0.55	0.56	0.003	0.624	0.163
C16:1 c9	1.38	1.48	1.40	1.46	0.033	0.192	0.414
anteiso-C17:0	0.72	0.80	0.73	0.80	0.007	<0.001	0.001
Phytanic	0.31	0.33	0.30	0.34	0.009	0.206	0.061
C17:0	0.87	1.09	0.95	1.01	0.015	<0.001	0.057
iso-C18:0	0.08	0.10	0.09	0.10	0.003	0.003	0.081
C17:1	0.24	0.24	0.25	0.26	0.001	0.161	<0.001
C18:0	10.89	10.82	11.05	10.66	0.017	0.076	<0.001
C18:1 t6-8-9-10	0.34	0.29	0.43	0.21	0.055	0.630	0.079
C18:1 t11	3.03	3.01	2.97	3.07	0.005	0.086	<0.001
C18:1 c9	19.38	19.26	19.76	18.88	0.030	0.075	<0.001
C18:1 t15	0.22	0.15	0.17	0.20	0.017	0.104	0.360
C18:1 c11	0.50	0.59	0.67	0.42	0.034	0.106	0.007
C18:1 c12	0.20	0.25	0.25	0.20	0.005	0.001	0.002
C18:1 c14 + t16	0.55	0.19	0.37	0.37	0.041	0.002	0.945
C18:1 t12 + t13 + t14	0.04	0.13	0.05	0.12	0.016	0.025	0.074
C18:2 t11,c15	0.81	0.79	0.68	0.92	0.028	0.792	0.002
C18:2 c9,c12	2.00	2.02	1.90	2.13	0.063	0.948	0.104
C20:0	0.23	0.35	0.26	0.31	0.011	<0.001	0.048
C18:3 c9,c12,c15	1.09	1.08	1.03	1.15	0.002	0.096	<0.001
C18:2 c9,t11	1.36	1.35	1.35	1.36	0.002	0.082	0.039
C18:2 CLA 2	0.46	0.64	0.44	0.66	0.042	0.059	0.029
C20:4 c5,c8,c11,c14	0.07	0.08	0.05	0.10	0.003	0.133	<0.001
Phytanic SRR/RRR 3	0.428	0.433	0.401	0.460	0.019	0.893	0.158
SFA	66.86	66.98	66.82	67.02	0.073	0.433	0.219
MUFA	27.13	26.79	27.51	26.41	0.041	0.003	<0.001
PUFA	6.02	6.23	5.67	6.58	0.052	0.066	<0.001

SEM: standard error of the mean; P: pasture type; S: supplement level; CLA: conjugated linoleic acid; SFA: saturated FA; MUFA: monounsaturated FA; PUFA: polyunsaturated FA; c: cis; t: trans. ¹ Fatty acids detected at <0.1% of total lipids are not reported; ² This peak can include t7,c9 and t8,c10 according to Collomb et al. [40] and Kramer et al. [41], C18:2 c9,t11 is excluded; ³ Ratio between diastereomers of phytanic, 3S,7R,11R,15 and 3R,7R,11R,15.