TABLE 3.

Effects of each treatment¹ on antioxidative parameters of Zhijiang ducks² (1 28 days).

Item	Group I	Group II	Group III	Group IV	SEM	P-value
MDA, nmol/mL	7.00a	5.39b	3.65c	5.76b	0.306	<0.01
GSH, μmol/L	16.46b	17.12b	21.08a	19.81a	0.494	<0.01
SOD, U/mL	65.32b	68.83b	74.31a	76.31a	1.164	<0.01
GSH-Px, U/mL	193.97	189.16	187.39	188.28	2.908	0.878
T-AOC, mmol/mL	0.86	0.97	0.93	1.01	0.032	0.411
CAT, U/mL	1.03	0.92	0.96	0.87	0.029	0.282

MDA, malonaldehyde; GSH, glutathione; SOD, superoxide dismutase; GSH-Px, glutathione peroxidase; T-AOC, total antioxidant capacity; CAT, Catalase.

¹Group I (control group), Group II (150 mg/kg NSPases in basal diet), Group III (25 mg/kg Bacillus probiotics in basal diet), Group IV (150 mg/kg NSPases + 25 mg/kg Bacillus probiotics in basal diet).

²Data is the mean of 10 replicates per treatment.

^a–cDifferent superscript letters in the same row indicate significant differences at P < 0.05.