Table 2. Fatty acid compositions (%) of the breast and thigh meat in white semi-broiler (W), and/broiler with two new native chicken strains (A and B) according to slaughter age

Fatty acid	5 wk			SEM¹⁾	12 wk			SEM¹⁾
Fatty acid	W^*	A	B	SEM¹⁾	Broiler^*	A	B	SEM¹⁾
Breast
C12.0	ND	ND	ND		0.06^a	0.00^b	0.00^b	0.00
C14:0	0.42	0.39	0.43	0.03	0.76^a	0.50^b	0.40^c	0.03
C16:1	2.5	2.69	2.43	0.19	4.71^a	2.54^b	2.14^b	0.21
C18:0	10.52	10.12	10.16	0.23	6.87^b	9.30^a	9.84^a	0.23
C18:1	27.97	28.42	27.81	0.80	38.35^a	28.10^b	26.52^b	0.87
C18:2	17.40^b	17.67^ab	17.92^a	0.12	19.19^a	15.49^b	15.28^b	0.31
C18:3	0.36^a	0.29^b	0.30^b	0.01	0.52^a	0.23^b	0.22^b	0.02
C20:2	0.59^a	0.43^b	0.43^b	0.03	0.41^a	0.30^c	0.36^b	0.01
C20:3	1.55	1.38	1.4	0.07	0.68^c	1.00^b	1.19^a	0.05
C20:4	7.67	7.17	7.18	0.36	2.32^b	8.81^a	9.70^a	0.55
C20:5	0.22	0.24	0.23	0.02	0.13^b	0.17^ab	0.18^a	0.01
C22:6	0.86	0.83	0.88	0.05	0.14^b	1.00^a	1.07^a	0.07
C24:1	1.67	1.58	1.59	0.08	0.62^c	2.05^b	2.38^a	0.11
∑SFA	32.40	32.32	32.5	0.14	29.74^b	32.16^a	32.37^a	0.26
∑UFA	60.79	60.69	60.17	0.45	67.05^a	59.68^b	59.03^b	0.54
∑MUFA	32.14	32.69	31.83	0.91	43.67^a	32.69^b	31.04^b	0.96
∑PUFA	28.65	27.99	28.35	0.53	23.38^b	26.99^a	27.99^a	0.51
UFA/SFA	1.88	1.88	1.85	0.01	2.26^a	1.86^b	1.82^b	0.03
P/S	0.88	0.87	0.87	0.01	0.79^b	0.84^a	0.86^a	0.016
∑ω-6	25.66	25.26	25.53	0.43	21.91^a	24.60^a	25.33^b	0.44
∑ω-3	2.99	2.73	2.81	0.12	1.47^b	2.40^a	2.66^a	0.10
ω-6/ω-3	8.59	9.25	9.27	0.33	15.01^a	10.36^b	9.61^b	0.39
Thigh
C12:0	ND	ND	ND		0.06^a	0.05^b	0.04^c	0.00
C18:0	7.79	7.26	7.58	0.16	6.73^b	7.99^a	7.53^a	0.18
C18:1	37.23	38.15	37.10	0.54	38.55^a	35.05^b	35.81^b	0.41
C18:2	18.28	17.97	18.08	0.2	19.74^a	18.02^b	18.00^b	0.25
C18:3	0.34	0.34	0.34	0.01	0.49^a	0.39^b	0.41^b	0.01
C20:2	0.20^a	0.17^b	0.20^a	0.01	0.28^a	0.22^b	0.23^b	0.01
C20:3	0.49	0.40	0.46	0.02	0.50	0.43	0.45	0.02
C20:4	3.15	2.61	3.05	0.19	2.03^b	4.49^a	4.00^a	0.17
C20:5	0.06	0.05	0.04	0.00	0.09^a	0.06^b	0.06^b	0.00
C22:6	0.26	0.23	0.3	0.02	0.11^c	0.44^a	0.34^b	0.01
C24:1	0.7	0.58	0.68	0.04	0.51^b	1.12^a	1.03^a	0.04
∑SFA	30.93	30.88	30.85	0.16	29.65^b	31.01^a	30.75^a	0.19
∑UFA	65.79	65.84	65.26	0.26	67.64^a	65.09^c	65.68^b	0.20
∑MUFA	43.01	44.08	42.79	0.56	44.42^a	41.05^b	42.20^b	0.49
∑PUFA	22.78	21.77	22.47	0.39	23.22	24.04	23.48	0.42
UFA/SFA	2.13	2.13	2.12	0.01	2.28^a	2.10^b	2.14^b	0.02
P/S	0.74	0.71	0.73	0.014	0.78	0.78	0.76	0.015
∑ω-6²⁾	21.63	20.74	21.33	0.36	22.04	22.73	22.22	0.40
∑ω-3³⁾	1.15	1.03	1.14	0.04	1.18^b	1.32^a	1.26^ab	0.03
ω-6/ω-3	18.87	20.26	18.80	0.51	18.75^a	17.30^b	17.64^b	0.34

n=18.
ω-6, Sum of linoleic acid (18:2), arachidonic acid (20:4), and eicosadienoic acid (20:2).
ω-3, Sum of linolenic acid (18:3), EPA (20:5), DHA (22:6), and eicosatrienoic acid (20:3).
Values with different superscripts letters within the same row differ significantly (p<0.05).
indicates a similar weight to native chickens.
ND, not detected; SFA, saturated fatty acid; UFA, unsaturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid; EPA, eicosapentaenoic acid; DHA, docosahexaenoic acid.