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  • Title: Effects of glutathione on sperm quality during liquid storage in boars.
    Author: Zhang XG, Liu Q, Wang LQ, Yang GS, Hu JH.
    Journal: Anim Sci J; 2016 Oct; 87(10):1195-1201. PubMed ID: 26804811.
    Abstract:
    The aim of this study was to investigate the effects of different concentrations of glutathione in Modena on boar sperm quality during liquid storage at 17°C. Boar semen samples were collected and diluted with Modena containing different concentrations (0, 1, 5, 10, 15 mmol/L) of glutathione. Sperm motility, effective survival period, plasma membrane integrity, acrosome integrity, total antioxidant capacity (T-AOC) activity, malondialdehyde (MDA) content and hydrogen peroxide (H2 O2 ) content were measured and analyzed. The results showed that Modena supplemented with 1, 5 and 10 mmol/L glutathione improved sperm motility, effective survival period, plasma membrane integrity and T-AOC, and decreased MDA content and H2 O2 content. Meanwhile, the semen sample diluted with Modena containing 1 mmol/L glutathione achieved optimum effect, and effective survival period was 6.1 days. After 5 days preservation, sperm motility, plasma membrane integrity and T-AOC of the group treated with 1 mmol/L glutathione were all higher than that of other groups. Meanwhile, MDA content and H2 O2 content were lower than that of other groups. In conclusion, Modena supplemented with glutathione decreased the oxidative stress and improved the quality of boar semen during liquid storage at 17°C, and 1 mmol/L concentration was the optimum concentration. © 2016 Japanese Society of Animal Science.
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