Table 2. Effects of chitosan oligosaccharide supplementation on the amniotic fluid immune responses of sows^a.

Items	Treatmentsb		P-value
	CON	COS
IL-1c (pg/mL)	163.33 ± 20.82	190.06 ± 49.46	0.250
IL-6d (pg/mL)	34.19 ± 6.46	30.79 ± 5.36	0.345
IL-10e (pg/mL)	109.67 ± 10.33	136.42 ± 15.36**	0.005
TNF-αf (pg/mL)	142.36 ± 22.36	155.72 ± 15.78	0.259
IgGg (μg/mL)	92.75 ± 21.92	152.17 ± 8.82**	<0.001
IgAh (μg/mL)	64.23 ± 9.03	70.83 ± 10.40	0.268
IgMi (μg/mL)	76.26 ± 19.60	98.94 ± 12.98*	0.040

^*P < 0.05 versus the CON group. ^**P < 0.01 versus the CON group.

^aValues are means of six replications per treatment.

^bCON: A corn-soybean basal diet; COS: Chitosan oligosaccharide (the basal diet supplemented with 100 mg/kg chitosan oligosaccharide).

^cIL-1: Interleukin 1.

^dIL-6, Interleukin 6.

^eIL-10: Interleukin 10.

^fTNF-α: Tumour necrosis factor α.

^gIgG: Immunoglobulin G.

^gIgA: Immunoglobulin A.

ⁱIgM: Immunoglobulin M.