Table 2 Serum oxidative stress markers of WAD goats at different physiological stages

Total antioxidant activity (mmol/L)

10.34^ab

9.61^b

14.77^a

2.71^c

1.67^c

1.98

0.03

Lipid peroxidation (× 10⁻³ MDA/mg protein)

0.13^b

0.04^c

0.11^b

0.32^a

0.44^a

0.00

0.00

Glutathione peroxidase (μg GSH/min/mg protein)

10.40^a

13.10^a

4.48^b

4.67^b

1.70^c

0.81

0.00

Catalase (nm H₂O₂/min/mg protein)

33.58^a

42.27^a

14.63^b

15.27^b

5.56^c

2.62

0.00

Superoxide dismutase (U/min/mg protein)

0.02^b

0.28^a

0.02^b

0.01^b

0.01^b

0.06

0.02