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Arsenic (As) is a heavy metal and aquatic pollutant and adversely impacts the reproduction of male fish. As a chain-breaking antioxidant, ascorbic acid (AA) has high water solubility and low toxicity. In this context, the current study was performed to assess the protective role of AA (1 mM) on the sperm cells of the rainbow trout ( Oncorhynchus mykiss ) exposed to sublethal concentrations of As (8, 16 and 32 mg/L). Sperm quality parameters were analyzed using a sperm class analyzer system. Lipid peroxidation and antioxidant enzyme levels were used as indicators of oxidative stress. The fertilization, eyeing and hatching rates were determined as gamete markers. Reduced sperm quality parameters and fertility capacity resulted from  in vitro  exposure to As (P &lt; 0.05). The oxidative stress in sperm cells increased after As exposure (P &lt; 0.05). The presence of AA improved sperm movement parameters and fertility potential (P &lt; 0.05). Overall, AA had a positive effect on oxidative stress and fertility ability against As toxicity and AA supplementation ameliorated detrimental effects of As in sperm cells.

journal of environmental science and health, part c

Ascorbic acid ameliorated the sperm quality of rainbow trout ( Oncorhynchus mykiss ) against arsenic toxicity: Impact on oxidative stress, fertility ability and embryo development