Table 9.

Effect strain (S) and diet (D) on total lipid and cholesterol contents, and fatty acid profile of breast meats from Fully Feathered (FF) and Naked Neck (NN) broilers fed Control (C) or Spirulina (SP) diets.

	FF		NN			P-value
	C	SP	C	SP
Parameter	n = 10	n = 9	n = 9	n = 10	RSD	Strain	Diet	S×D
Total lipids, g/100 g	0.921	0.961	0.921	0.865	0.208	0.4842	0.9140	0.4831
Cholesterol, mg/g	0.324	0.372	0.265	0.359	0.068	0.1135	0.0032	0.2996
Fatty acid composition, g/100 g FA
C12:0	0.056	0.055	0.056	0.056	0.016	0.9335	0.8975	0.9801
C14:0	0.308	0.420	0.353	0.421	0.058	0.2289	<0.0001	0.2488
C14:1c9	0.059	0.109	0.079	0.112	0.025	0.1605	<0.0001	0.2947
C15:0	0.088	0.102	0.081	0.107	0.030	0.8860	0.0499	0.5187
C16:0	18.659c	24.019a	20.311b	24.116a	0.925	0.0063	<0.0001	0.0141
C16:1c7	0.289	0.329	0.261	0.332	0.038	0.3078	<0.0001	0.2242
C16:1c9	1.378	3.259	2.086	3.318	0.695	0.0987	<0.0001	0.1598
C17:0	0.183	0.220	0.176	0.224	0.056	0.9082	0.0267	0.7694
C17:0c9	0.052	0.097	0.058	0.106	0.031	0.4580	<0.0001	0.8610
C18:0	9.291	9.608	8.887	9.506	0.925	0.4070	0.1285	0.6188
C18:1c9	26.944	26.296	27.078	26.525	2.469	0.8228	0.4594	0.9534
C18:1c11	1.754	2.742	1.728	2.784	0.231	0.9156	<0.0001	0.6522
C18:2n-6	24.215	13.372	23.579	13.315	1.580	0.5037	<0.0001	0.5767
C18:3n-6	0.103	0.059	0.105	0.059	0.018	0.8220	<0.0001	0.9216
C18:3n-3	0.331	0.303	0.310	0.302	0.061	0.5837	0.3792	0.6264
C20:0	0.126	0.118	0.115	0.130	0.032	0.9476	0.7188	0.2800
C20:1c11	0.198	0.213	0.201	0.212	0.044	0.9588	0.3830	0.9060
C20:2n-6	0.416	0.222	0.357	0.219	0.073	0.1995	<0.0001	0.2484
C20:3n-6	0.577	1.222	0.630	1.202	0.196	0.8025	<0.0001	0.5653
C20:4n-6	7.156	7.892	6.766	7.636	1.886	0.6012	0.1987	0.9138
C20:3n-3	0.079	0.067	0.064	0.072	0.025	0.5264	0.8085	0.2263
C20:5n-3	0.087	0.124	0.071	0.125	0.036	0.5262	0.0004	0.4441
C22:0	0.105	0.123	0.117	0.127	0.043	0.5697	0.3247	0.7857
C22:1n-9	0.023	0.035	0.030	0.031	0.061	0.9347	0.7366	0.7982
C22:2n-6	0.145	0.239	0.111	0.234	0.044	0.1779	<0.0001	0.3095
C22:5n-3	0.432	0.714	0.320	0.685	0.189	0.2573	<0.0001	0.5074
C22:6n-3	0.371	0.522	0.275	0.482	0.175	0.2408	0.0033	0.6330
C23:0	0.208	0.306	0.245	0.318	0.094	0.4236	0.0084	0.6887
Others	6.37ab	6.40ab	5.55b	7.25a	0.993	0.9674	0.0115	0.0146
Partial sums of fatty acids
SFA	29.04	34.97	30.34	35.00	1.242	0.1067	<0.0001	0.1246
MUFA	30.70	33.08	31.53	33.42	3.262	0.5828	0.0522	0.8182
PUFA	33.91	24.72	32.59	24.32	2.198	0.2358	<0.0001	0.5242
n-6 PUFA	32.61	23.01	31.56	22.67	1.996	0.2895	<0.0001	0.5859
n-3 PUFA	1.30	1.73	1.04	1.67	0.307	0.1126	<0.0001	0.3353
Nutritional ratios
n-6/n-3 ratio	26.18	13.60	31.30	14.05	4.495	0.0652	<0.0001	0.1198
PUFA/SFA	1.17	0.71	1.07	0.70	0.075	0.0331	<0.0001	0.0945

^a-cDifferent superscripts within a row indicate a significant difference (P < 0.05).

RDS, relative standard deviation.

SFA= 12:0+14:0+15:0+16:0+17:0+18:0+20:0+22:0+23:0.

MUFA= 14:1c9+ 16:1c7+16:1c9+17:1c9+18:1c9+18:1c11+20:1c11+22:1n-9.

PUFA= 18:2n-6+18:3n-6+18:3n-3+20:2n-6+20:3n-6+20:4n-6+20:3n-3+20:5n-3+22:5n-3+22:6n-3.

n-6 PUFA= 18:2n-6+18:3n-6+20:2n-6+20:3n-6+20:4n-6.

n-3 PUFA = 18:3n-3+20:3n-3+20:5n-3+22:5n-3+22:6n-3.