Table-3.

Oxidative stress parameters (mean±SE) in different seasons.

Parameters	Hot dry (THI1-81.7)	Hot humid (THI2-80.6)	Comfort (THI3-68.72)
GPx (U/ml)	97.24±4.31**	70.97±3.47**	43.42±6.17**
LPO (nmol of MDA/ml of packed cells)	4.83±0.33**	3.57±0.13**	3.16±0.32**
SOD (U)	6.40±0.20**	3.72±0.18**	3.36±0.43**
TAS (mmol/L)	5.28±0.06**	2.92±0.14**	2.01±0.10**

*Significance at p≤0.05;

^**Significance at p≤0.01,

SE=Standard deviation, GPx=Glutathione peroxidase, LPO=Lipid peroxide, SOD=Superoxide dismutase, TAS=Total antioxidant status