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 7 Effects of different ratios of n-6:n-3 polyunsaturated fatty acids in the sow diet on the concentrations of IgM, IgG, and IgA in milk and piglet plasma

Item, mg/ml	Dietary n-6:n-3 PUFA ratio			SEM	P
	3:1	9:1	13:1
Colsotrum
IgM	3.22	4.18	4.21	0.63	0.47
IgG	27.02^a	41.14^b	36.30^b	2.82	< 0.01
IgA	7.52	9.55	8.23	0.84	0.25
Milk
IgM	0.95^a	1.34^b	1.22^ab	0.10	0.05
IgG	0.32	0.36	0.39	0.02	0.14
IgA	3.37	3.46	3.23	0.38	0.92
Piglet plasma at d 14 of lactation
IgM	0.48^a	0.41^b	0.50^a	0.02	0.01
IgG	6.11^a	5.33^b	6.81^c	0.19	0.02
IgA	0.20^a	0.15^b	0.17^b	0.01	< 0.01
Piglet plasma at d 21 of lactation
IgM	1.20^ab	1.22^a	1.06^b	0.05	0.07
IgG	6.78^a	6.85^a	5.68^b	0.23	0.01
IgA	0.21^a	0.18^ab	0.17^b	0.01	0.05

*Within a row, treatments with unlike superscripts are significantly different (P < 0.05).

ISSN: 2049-1891