Table 9. Oxidative stress markers of broilers fed phytogenic supplement in a hot dry climate

Variable	B1	B2	B3	B4	SEM	p-value
Total antioxidant activity (mmol/L)	0.62b	2.23a	2.85a	2.98a	0.26	0.01
Lipid peroxidation (×10−5MDA/mg protein)	3.26a	1.66b	0.75b	0.95b	0.59	0.02
Superoxide dismutase (U/min/mg protein)	1.78b	10.61a	1.33b	3.06b	2.05	0.02
Glutathione peroxidase (mg GSH/min/mg protein)	19.74b	20.34ab	23.68a	24.15a	3.93	0.00
Catalase (nm H2O2/min/mg protein)	0.36b	0.41ab	0.57a	0.71a	0.16	0.00

B1, diet without leaf meal; B2, diet with Moringa oleifera; B3, diet with Phyllanthus amarus; B4, diet with Viscum album.
Means with different superscripts in the same row significantly differ at p < 0.05.