Table 3.

Effect of breed on the fatty acid composition (g/100 g of fatty acids) and fatty acid content (mg/g yolk DM) of eggs.

Fatty acid	Genotype/breed1					Significance
	Hybrid2	Amarela	Branca	Pedrês	Preta	RSD	P(F)
14:0	0.28	0.30	0.32	0.33	0.31	0.008	0.554
14:1 cis-9	0.06	0.05	0.06	0.06	0.05	0.004	0.460
15:0	0.07	0.05	0.05	0.06	0.06	0.003	0.825
16:0	24.3	24.2b	25.3a	24.8a,b	24.1b	0.17	0.044
16:1 cis-9	3.30	3.17	3.35	3.26	3.16	0.071	0.766
17:0	0.19	0.19	0.18	0.19	0.21	0.006	0.424
17:1 cis-9	0.16	0.15	0.12	0.15	0.14	0.005	0.212
18:0	7.97	9.27	9.10	9.38	9.18	0.135	0.914
18:1 cis-9	39.6	45.1	42.9	43.2	43.9	0.43	0.287
18:2 n-6	18.7	12.4	13.5	13.2	13.4	0.43	0.837
18:3 n-3	0.61	0.39	0.39	0.40	0.43	0.032	0.882
20:0	0.03	0.04	0.03	0.03	0.03	0.002	0.795
20:2 n-6	0.22	0.13	0.15	0.13	0.13	0.006	0.676
20:3 n-6	0.19	0.20	0.22	0.22	0.21	0.010	0.924
20:4 n-6	2.12	2.20	2.12	2.29	2.38	0.050	0.297
20:5 n-3	0.00	0.01	0.01	0.01	0.01	0.003	0.986
22:4 n-6	0.23	0.27	0.28	0.28	0.32	0.013	0.489
22:5 n-6	0.73	0.53	0.72	0.57	0.65	0.031	0.122
22:5 n-3	0.16	0.19	0.17	0.20	0.20	0.014	0.830
22:6 n-3	0.92	0.91	0.90	1.04	1.05	0.048	0.574
Sums
SFA	32.8	34.0	35.0	34.8	33.9	0.20	0.141
MUFA	43.4	48.7	46.7	46.9	47.4	0.45	0.378
n-6 PUFA	22.2	15.8	17.0	16.7	17.1	0.42	0.711
n-3 PUFA	1.53	1.31	1.26	1.45	1.48	0.071	0.658
Total PUFA	23.8	17.3	18.4	18.3	18.7	0.43	0.662
FA content	560	546	528	532	532	3.0	0.201

^a,bMeans with no common superscripts are different (P < 0.05).

Abbreviations: FA, fatty acid content (mg/g yolk DM); MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids; RSD, residual standard deviation; SFA, saturated fatty acids.

¹Eggs from Amarela (n = 10), Branca (n = 9), Pedrês Portuguesa (n = 10), and Preta Lusitânica (n = 10) breeds.

²Eggs from commercial hybrid hens, data not used in the statistical analysis (n = 1).