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 6 Effects of dietary ratio of n-6:n-3 PUFA on the fatty acid composition of piglet plasma at d 21 of lactation

Item	Dietary n-6:n-3 PUFA			SEM	P
	3:1	9:1	13:1
Fatty acid composition, mg/g
C14:0	0.02	0.02	0.02	0.004	0.71
C16:0	0.70	0.46	0.47	0.11	0.28
C18:0	0.39^a	0.22^b	0.22^b	0.05	0.04
SFA	1.11	0.70	0.71	0.16	0.17
C16:1	0.07	0.05	0.06	0.01	0.83
C18:1n-9	0.34	0.23	0.22	0.06	0.36
C18:1n-7	0.04	0.03	0.03	0.007	0.48
MUFA	0.44	0.32	0.30	0.08	0.43
C18:2n-6	0.48	0.49	0.60	0.05	0.22
C20:4n-6	0.12	0.11	0.12	0.03	0.96
N-6 PUFA	0.59	0.6	0.71	0.07	0.39
C18:3n-3	0.05^a	0.02^b	0.02^b	0.005	<0.01
C20:5n-3	-	-	-	-	-
C22:6n-3	0.04^a	0.03^b	0.03^b	0.003	0.04
N-3 PUFA	0.09^a	0.04^b	0.05^b	0.02	<0.01
Ratio of n-6:n-3 PUFA	6.78^a	13.57^b	15.49^c	0.72	<0.01

ISSN: 2049-1891