Table 3.

Effect of dietary tannin extract on fatty acid profile of milk in wet season experiment.

Itema	Treatmentb (T)		SEM	P valuec
	CON	TAN		T	Day (D)	T × D
C4:0	1.871	1.860	0.038	ns	ns	ns
C6:0	1.643	1.626	0.031	ns	ns	ns
C8:0	1.257	1.238	0.027	ns	*	*
C10:0	3.218	3.127	0.078	ns	***	**
C11:0	0.370	0.380	0.010	ns	***	ns
C12:0	3.943	3.823	0.098	ns	***	*
C13:0	0.255	0.250	0.008	ns	***	ns
C14:0	10.99	11.06	0.137	ns	***	†
C14:0 iso	0.159	0.154	0.005	ns	***	ns
C14:1 c9	0.843	0.907	0.024	ns	***	ns
C15:0	1.324	1.304	0.020	ns	***	ns
C15:0 iso	0.308	0.309	0.005	ns	***	ns
C15:0 anteiso	0.648	0.638	0.014	ns	***	ns
C16:0	24.83	24.54	0.271	ns	ns	ns
C16:0 iso	0.325	0.320	0.008	ns	**	ns
C16:1 t9	0.157	0.158	0.007	ns	**	ns
C16:1 c9	1.223	1.214	0.024	ns	***	ns
C17:0	0.577	0.560	0.010	ns	**	ns
C17:0 iso	0.412	0.419	0.009	ns	**	ns
C17:0 anteiso	0.605	0.575	0.015	ns	***	ns
C18:0	10.18	9.73	0.155	ns	***	ns
C18:1 t6 + t7 + t8	0.186	0.188	0.005	ns	*	ns
C18:1 t9	0.277	0.272	0.005	ns	***	***
C18:1 t10	0.266	0.271	0.014	ns	ns	ns
C18:1 t11	2.870	2.980	0.082	ns	ns	ns
C18:1 c6	0.722	0.729	0.024	ns	†	ns
C18:1 c9	19.86	20.24	0.329	ns	†	*
C18:1 c11	0.523	0.527	0.012	ns	***	*
C18:1 c12	0.202	0.193	0.005	ns	**	ns
C18:1 c13	0.061	0.059	0.002	ns	ns	ns
C18:1 c14	0.357	0.362	0.011	ns	†	ns
C18:2 t8c13	0.268	0.260	0.010	ns	***	ns
C18:2 t9c13	0.501	0.498	0.016	ns	**	ns
C18:2 c9c12 (LA)	2.306	2.389	0.061	ns	***	ns
C18:2 c9t11 (RA)	1.444	1.523	0.047	ns	**	ns
C18:3 c9c12c15	1.114	1.134	0.025	ns	***	ns
C20:0	0.173	0.161	0.004	ns	***	ns
C20:3 n-6	0.099	0.093	0.004	ns	*	ns
C20:4 n-6	0.152	0.155	0.005	ns	***	ns
C20:5 n-3	0.062	0.057	0.001	ns	***	ns
C22:0	0.129	0.122	0.003	ns	***	ns
C22:5 n-3	0.138	0.129	0.005	ns	*	ns
C23:0	0.045	0.040	0.002	ns	**	ns
C24:0	0.091	0.087	0.003	ns	***	ns
Σ de novo FA < 16C	22.97	22.70	0.368	ns	***	*
Σ SFA	58.56	57.10	0.554	ns	ns	ns
Σ MUFA	27.27	28.04	0.397	ns	ns	*
Σ PUFA	6.24	6.43	0.119	ns	†	ns
Σ OCFA	2.937	2.922	0.042	ns	***	ns
Σ BCFA	2.469	2.405	0.053	ns	***	ns
Σ iso-FA	1.214	1.192	0.026	ns	***	ns
Σ anteiso-FA	1.255	1.211	0.028	ns	***	ns
SFA/PUFA	9.56	9.05	0.245	ns	†	ns
n-6/n-3 PUFA	2.017	2.073	0.046	ns	***	ns
C18:1 t10/t11	0.100	0.097	0.007	ns	ns	ns
BHI	7.76	7.96	0.194	ns	*	ns
RA / LA	0.649	0.660	0.022	ns	***	ns
DSI C14	0.072	0.076	0.002	ns	***	ns

^aDe novo FA < 16C sum of C4:0, C6:0, C8:0, C10:0, C12:0 and C14:0, SFA saturated fatty acids, MUFA monounsaturated fatty acids, PUFA polyunsaturated fatty acids, OCFA odd-chain fatty acids, BCFA branched-chain fatty acids, BHI biohydrogenation intermediates, DSI C14 desaturation index, calculated as C14:1 c9/(C14:0 + C14:1 c9).

^bCON control group, TAN group receiving 150 g/head × day of tannin extract.

^cns ≥ 0.100; ^†< 0.100; *< 0.050; **< 0.010; ***< 0.001.