Effects of Enteromorpha prolifera polysaccharides on growth performance, intestinal barrier function and cecal microbiota in yellow-feathered broilers under heat stress

Table 4 Effects of Enteromorpha prolifera polysaccharides on antioxidant capacity and sIgA level of ileal mucosa in yellow-feathered broilers under heat stress

Items	TN	HS	HSE	SEM	P-value
T-AOC, mmol/mg protein	57.70^a	41.03^b	37.42^b	3.22	0.022
T-SOD, U/mg protein	295.41	315.60	282.52	26.04	0.689
GSH-Px, U/mg protein	78.83	73.12	86.57	17.86	0.871
CAT, U/mg protein	2.43	3.66	1.85	0.79	0.352
GST, U/mg protein	15.50	17.28	15.30	2.19	0.753
MDA, nmol/mg protein	2.08	2.58	2.46	0.17	0.219
sIgA, ng/mg protein	57.68^a	48.11^b	52.90^ab	2.28	0.016

TN Thermal neutral zone, HS Heat stress, HSE Heat stress group supplemented 0.1% Enteromorpha prolifera polysaccharides, SEM Standard error of the mean, T-AOC Total antioxidant capacity, T-SOD Total superoxide dismutase, GSH-Px Glutathione peroxidase, CAT Catalase, GST Glutathione S-transferase, MDA Malondialdehyde, sIgA Secretory immunoglobulin A, P P value for analysis of variance (ANOVA)
^a,bDifferent superscripts in the same row indicate a significant difference between groups (P < 0.05)

ISSN: 2049-1891