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<p>Dietary vitamin supplementation has been widely used to improve fish growth and alleviate oxidative stress in aquaculture. The present study examined the impacts of vitamins A and E in the diet on the growth performance and health of <i>Cirrhinus mrigala</i>, an important aquaculture fish species. Five distinct diet treatments were administered over six months with varying levels of vitamins A and E (200 and 500&#xa0;mg/kg). Fish were also monitored periodically for weight gain, feed conversion ratio (FCR), specific growth rate (SGR), and gill, liver, and kidney antioxidant enzymes (catalase, peroxidase, and superoxide dismutase (SOD)). The best results in terms of weight gain, FCR, and SGR were observed in fish groups that were fed with 500&#xa0;mg/kg of vitamin E, which showed a 31.2% increase in weight gain, a 33.3% reduction in FCR, and a 27.6% rise in SGR compared to the control. Vitamin A at 500&#xa0;mg/kg also enhanced performance to a lesser extent. Catalase and peroxidase activities increased significantly (<i>p</i> &lt; 0.05) across tissues in supplemented groups, while SOD activity decreased, indicating a shift toward more efficient oxidative stress management. These findings showed that vitamins A and E promote growth and resistance to oxidative stress in <i>C. mrigala</i> and demonstrate the capacity to bolster fish health and productivity within aquaculture systems. </p>

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Dietary vitamins A and E enhance growth and oxidative defense in Mrigal (Cirrhinus mrigala)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月18日

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  • Ali Hassan,
  • Mehmood A. H. Hashmi,
  • Sidra Mumtaz,
  • Shafiq Ur Rahman

摘要

Dietary vitamin supplementation has been widely used to improve fish growth and alleviate oxidative stress in aquaculture. The present study examined the impacts of vitamins A and E in the diet on the growth performance and health of Cirrhinus mrigala, an important aquaculture fish species. Five distinct diet treatments were administered over six months with varying levels of vitamins A and E (200 and 500 mg/kg). Fish were also monitored periodically for weight gain, feed conversion ratio (FCR), specific growth rate (SGR), and gill, liver, and kidney antioxidant enzymes (catalase, peroxidase, and superoxide dismutase (SOD)). The best results in terms of weight gain, FCR, and SGR were observed in fish groups that were fed with 500 mg/kg of vitamin E, which showed a 31.2% increase in weight gain, a 33.3% reduction in FCR, and a 27.6% rise in SGR compared to the control. Vitamin A at 500 mg/kg also enhanced performance to a lesser extent. Catalase and peroxidase activities increased significantly (p < 0.05) across tissues in supplemented groups, while SOD activity decreased, indicating a shift toward more efficient oxidative stress management. These findings showed that vitamins A and E promote growth and resistance to oxidative stress in C. mrigala and demonstrate the capacity to bolster fish health and productivity within aquaculture systems.