Carcass traits, meat yield and fatty acid composition of adipose tissues and Supraspinatus muscle in goats fed blend of canola oil and palm oil

Table 10 Least square means for the fatty acid (FA) composition (% of total FA) of mesentery adipose tissue in goats fed graded levels of blend of 80 % canola oil and 20 % palm oil

	Level of BCPO^d (%)				P value
Parameter	0	4	8	SEM	Overall	Linear	Quadratic
C14:0, myristic	6.67^a	5.70^b	5.04^c	0.53	0.048	0.049	0.395
C16:0, palmitic	27.06	27.05	24.22	1.18	0.170	0.334	0.104
C16:1n-7, palmitoleic	3.49	3.44	2.74	0.44	0.409	0.461	0.266
C18:0, stearic	26.10	25.28	24.42	2.56	0.898	0.814	0.693
C18:1n-9, oleic	19.97^b	18.98^b	26.30^a	2.42	0.050	0.044	0.377
C18:1 trans-11 Vaccenic	3.48	4.27	4.87	0.73	0.422	0.569	0.239
CLA cis-9 trans-11	1.30	1.51	1.20	0.22	0.612	0.337	0.841
CLA trans-10 cis-12	1.54	2.08	1.72	0.39	0.618	0.521	0.463
C18:2n-6, linoleic	3.63	3.65	3.53	0.53	0.986	0.878	0.953
C18:3n-3, linolenic	1.56	1.44	1.71	0.23	0.712	0.417	0.952
C20:4n-6, arachidonic	1.89	1.62	2.13	0.52	0.784	0.491	0.980
C20:5n-3, eicosapentaenoic	1.87^c	2.78^b	2.91^c	0.39	0.043	0.011	0.051
C22:5n-3, eicosapentaenoic	1.42	1.67	2.11	0.42	0.501	0.458	0.365
C22:6n-3, docosahexanoic	1.92	1.87	2.29	0.52	0.824	0.574	0.804
Total FA (mg/g of fat)	842.23	925.87	982.87	160.09	0.827	0.804	0.577
FA sums and ratios
∑SFA	59.83	58.03	54.09	3.24	0.402	0.353	0.328
∑MUFA	26.95	26.69	33.90	6.62	0.169	0.113	0.299
∑PUFA	15.12	16.61	17.60	1.61	0.437	0.563	0.606
∑n-3	7.013	7.76	9.028	0.86	0.268	0.307	0.205
∑n-6	6.22	5.27	5.653	0.76	0.696	0.730	0.442
n-6:n-3	0.89	0.68	0.69	0.09	0.195	0.921	0.074
UFA:SFA	0.70	0.91	0.77	0.11	0.411	0.317	0.317
PUFA:SFA	0.23	0.25	0.26	0.03	0.790	0.782	0.535
Desaturase and elongase indices
ID16	11.42	11.28	10.12	0.87	0.711	0.418	0.111
ID18	43.35	42.88	51.85	2.99	0.612	0.234	0.516
Elongation Index (EI)	60.13	59.74	65.29	3.03	0.875	0.324	0.198

^a,b,cmeans having different superscript along the a row are significantly different (P < 0.05). ∑SFA = (C14:0 + C16:0 + C18:0), ∑MUFA = (C16:1+ C18:1+ C18:1 trans-11), ∑UFA = (C16:1+ C18:1+ C18:1 trans-11+ CLA cis-9 trans-11+ CLA cis-12 trans-10 + ∑n-3 + ∑n-6), ∑PUFA = (C18:1 trans-11+ CLA cis-9 trans-11+ CLA cis-12 trans-10 + ∑n-3 + ∑n-6), ∑n-3 = (C18:3n-3 + C20:5n-3 + C22:5n-3 + C22:6n-3), ∑n-6 = (C18:2n-6 + C20:4n-6) n-6:n-3 = (C18:2n-6 + C20:4n-6) ÷ (C18:3n-3 + C20:5n-3 + C22:5n-3 + C22:6n-3), UFA:SFA = (∑UFA)/∑SFA), PUFA:SFA = (∑PUFA/∑SFA). ID16, (Δ 9 desaturase enzyme activity on C16:0) = 100(C16:1)/(C16:0 + C16:1), ID18, (Δ 9 desaturase enzyme activity on C18:0) = 100(C18:1)/C18:0 + C18:1). EI = 100[(C18:0 + C18:1 n-9)/(C18:0 + C18:1n-9 + C16:0 + C16:1)] SEM = standard error of means. Values are least square means for 8 goats per diet. ^dblend of 80 % canola oil and 20 % palm oil

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