Effects of dietary ratio of n-6 to n-3 polyunsaturated fatty acids on immunoglobulins, cytokines, fatty acid composition, and performance of lactating sows and suckling piglets

Table 4 Effects of different ratios of n-6:n-3 PUFA in the sow diet on the fatty acid composition of colostrum

Item	Dietary n-6:n-3 PUFA ratio			SEM	P
	3:1	9:1	13:1
Fatty acid composition (mg/g)
C14:0	0.51	0.52	0.41	0.10	0.71
C16:0	6.99	7.46	6.46	0.94	0.76
C18:0	1.99	2.02	1.65	0.53	0.86
SFA	9.50	9.99	8.51	1.42	0.76
C16:1n-7	0.71	0.72	0.63	0.17	0.92
C18:1n-9	8.72	9.74	9.12	1.06	0.79
C18:1n-7	0.65	0.73	0.66	0.08	0.72
MUFA	10.08	11.20	10.40	1.20	0.80
C18:2n-6	10.89	11.43	11.90	1.32	0.87
C20:4n-6	0.33	0.32	0.35	0.17	0.95
N-6 PUFA	11.23	11.75	12.25	1.52	0.89
C18:3n-3	1.75^a	1.03^b	0.88^b	0.14	< 0.01
C20:5n-3	0.06	0.05	0.04	0.01	0.32
C22:6n-3	0.05	0.04	0.04	0.01	0.72
N-3 PUFA	1.85^a	1.12^b	0.95^b	0.16	< 0.01
Ratio of n6:n3 PUFA	5.93^a	10.56^b	13.84^b	1.22	< 0.01

ISSN: 2049-1891