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 5 Effects of different ratios of n-6:n-3 PUFA in the sow diet on the fatty acid composition of milk at d 21 of lactation

Item	Dietary n-6:n-3 PUFA ratio			SEM	P
	3:1	9:1	13:1
Fatty acid composition (mg/g)
C14:0	1.86	2.04	1.93	0.25	0.88
C16:0	17.30	18.39	17.25	2.22	0.92
C18:0	2.77	2.55	2.34	0.30	0.60
SFA	21.94	22.98	21.53	2.66	0.92
C16:1n-7	4.46	4.40	3.64	0.67	0.64
C18:1n-9	15.82^a	15.83^a	11.89^b	1.05	0.03
C18:1n-7	0.92^ab	1.04^aa	0.62^bb	0.10	0.04
MUFA	21.20	21.26	16.16	1.58	0.07
C18:2n-6	12.84	11.60	12.06	1.65	0.87
C20:4n-6	0.24	0.27	0.24	0.03	0.78
N-6 PUFA	13.08	11.87	12.30	1.68	0.88
C18:3n-3	3.97^a	1.08^b	1.00^b	0.58	< 0.01
C20:5n-3	0.07^a	0.03^b	0.04^b	0.01	0.02
C22:6n-3	0.04	0.04	0.04	0.01	0.74
N-3 PUFA	4.08^a	1.15^b	1.07^b	0.58	< 0.01
Ratio of n-6:n-3 PUFA	3.21^a	10.33^b	11.48^c	0.33	< 0.01

ISSN: 2049-1891