Parameters/Governments Assiut Kafr el- Sheikh Alexandria Beheira TAC (μM/L) 1.006  ±  0.030 0.959  ±  0.029 0.846  ±  0.031 0.794  ±  0.102* MDA (nmol/ml) 4.082  ±  1.201 4.393  ±  2.845 5.734  ±  1.422 5.630  ±  2.013 TPX (μM/L) 1.520  ±  0.050 1.625  ±  0.049 1.759  ±  0.083** 1.531  ±  0.054 OSI (%) 151.715  ±  5.193 171.160  ±  8.888 210.042  ±  11.983 250.854  ±  59.894*

Table 2: Impact of methyltestosterone supplementation on serum total antioxidant capacity (TAC), malondialdhyde (MDA), total peroxide (TPX), and oxidative stress index (OSI) of fish collected from Assiut farms as control, and three farms of Beheira, Alexandria, and Kafr el-Sheikh as monosex farms.