Influence of Maternal and Postweaning Linseed Dietary Supplementation on Growth Rate, Lipid Profile, and Meat Quality Traits of Light Sarda Lambs

Table 5

Effect of maternal or lamb postweaning diet on the fatty acid composition of light lamb meat (g/100 g of fatty acids methyl esters).

Item	Maternal diet (M)			SEM	Lamb postweaning diet (PW)			SEM	P
	CTR	EL-10	EL-20		CTR	EL-10	EL-20		M × PW
C10:0	0.109	0.137	0.108	0.021	0.145	0.115	0.095	0.026	0.181
C12:0	0.463	0.333	0.335	0.021	0.435	0.401	0.296	0.023	<0.001
C14:0	4.240	3.449	3.648	0.012	4.296	3.680	3.360	0.148	<0.001
C14:1	0.091	0.042	0.050	0.018	0.100	0.055	0.027	0.022	0.048
C15:0	0.559	0.554	0.515	0.023	0.535	0.543	0.549	0.028	0.188
C16:0	21.618	20.413	20.076	0.031	22.220	20.446	19.441	0.375	0.068
C16:1	1.890	1.313	1.460	0.067	1.837	1.454	1.372	0.082	0.127
C17:0	1.026	1.001	1.008	0.019	1.073	1.040	0.921	0.025	0.769
C17:1	0.033	0.182	0.078	0.031	0.155	0.091	0.047	0.038	0.311
C18:0	12.708	13.950	13.478	0.262	12.531	13.673	13.932	0.321	0.284
C18:1 t n-9	0.161	0.073	0.124	0.043	0.076	0.206	0.077	0.055	0.256
C18:1 c n-9	26.703	26.160	27.854	0.512	28.701	26.678	25.337	0.653	0.379
C18:1 t 11	3.027	3.716	4.040	0.165	3.050	3.810	3.921	2.211	0.217
C18:2 t n-6	0.020	0.018	0.061	0.011	0.034	0.009	0.055	0.014	0.199
C18:2 c n-6	10.613	11.115	10.221	0.399	9.210	10.877	11.862	0.510	0.053
C18:2 c9,t11	1.034	1.238	1.456	0.071	1.139	1.293	1.296	0.090	0.829
C18:3 n-3	2.422	2.759	2.669	0.087	2.041	2.714	3.096	0.107	0.066
C20:0	tr.	tr.	0.003	0.003	0.003	tr.	tr.	0.003	0.883
C21:0	tr.	0.006	0.021	0.008	0.021	0.006	tr.	0.007	0.088
C22:0	tr.	tr.	0.021	0.011	0.009	0.012	tr.	0.014	0.916
C20:4 n-6	4.347	3.774	3.333	0.171	4.053	3.529	3.872	0.210	0.036
C20:3 n-6	0.189	0.273	0.222	0.015	0.188	0.233	0.263	0.019	0.107
C23:0	0.171	0.207	0.121	0.017	0.161	0.133	0.203	0.020	0.001
C20:5 n-3	0.793	0.963	0.945	0.071	0.718	0.957	1.026	0.087	0.539
C22:5 n-3	1.211	1.312	1.103	0.068	1.009	1.270	1.346	0.083	0.553
C22:6 n-3	0.307	0.420	0.354	0.019	0.324	0.362	0.395	0.023	0.008
SFA	40.893	40.051	39.333	0.446	41.429	40.049	38.799	0.546	0.035
MUFA	31.905	31.486	33.605	0.614	33.920	32.294	30.782	0.752	0.395
Other MUFA	2.014	1.537	1.588	0.081	2.092	1.600	1.446	0.111	0.205
PUFA	20.936	21.873	20.363	0.719	18.717	21.244	23.212	0.914	0.104
n-6	15.169	15.180	13.836	0.550	13.485	14.647	16.053	0.674	0.081
n-3	4.733	5.454	5.071	0.219	4.093	5.304	5.863	0.268	0.246
n-3 LC-PUFA	2.311	2.695	2.403	0.145	2.052	2.590	2.767	0.178	0.391
n-6/n-3	3.419	2.798	2.759	0.076	3.380	2.813	2.783	0.097	0.026
IDCLA	26.591	25.140	26.268	0.570	27.927	25.599	24.473	0.698	0.212
ATH	0.763	0.665	0.669	0.021	0.777	0.687	0.634	0.022	0.001
THR	1.045	0.954	0.955	0.025	1.088	0.969	0.898	0.031	0.054

CTR: diet without extruded linseed; EL-10: diet containing 100 g/kg of extruded linseed; EL-20: diet containing 200 g/kg of extruded linseed.
SFA: saturated fatty acids.
MUFA: monounsaturated fatty acids.
PUFA: polyunsaturated fatty acids.
n-3 LC-PUFA: n-3 long chain-polyunsaturated fatty acids.
IDCLA: index of the Δ9-desaturase activity = C18:2 cis 9, trans-11 × 100/C18:1 trans-11 + C18:2 cis-9, trans-11.
ATH: atherogenicity index = C12:0 + (4 × C14:0 + C16:0)/MUFA + PUFA.
THR: thrombogenicity index = C14:0 + C16:0 + C18:0/(0.5 × MUFA + 0.5 × n-6 PUFA + 3 × n-3 PUFA + n-3 PUFA/n-6 PUFA).
Tr: traces, under the detectable limits.
Means with different superscript within the same row differ. ; ; .