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IF 2.8 2区生物学 Q1 MARINE & FRESHWATER BIOLOGY

Frontiers in Marine Science Pub Date : 2025-02-21 DOI:10.3389/fmars.2025.1555994

Hairui Yu, Maida Mushtaq, Saira Razzaq, Umar Ali, Muhammad Khan, Abdur Rahman, Guobo Quan, Mehroze Fatima, Saima Naveed, Muhammad Hammad Zafar, Muhammad Aziz ur Rahman

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引用次数: 0

摘要

该研究旨在评估膳食补充硒（Se）、维生素 C 和维生素 E 对鳙鱼幼鱼生长性能、肉质和抗氧化状态的影响。将 480 尾幼鱼（平均体重：20 ± 0.29 克）随机分配到 24 个水族箱中（每 100 升水族箱中有 20 尾鱼），并按照完全随机设计将其分配到 8 个饮食处理中（每个处理有 3 个水族箱）。饮食处理包括(1)不添加补充剂的基础日粮（对照组）；(2)硒补充剂（S）；(3)维生素 C 补充剂（C）；(4)维生素 E 补充剂（E）；(5)硒和维生素 C 补充剂（SC）；(6)硒和维生素 E 补充剂（SE）；(7)维生素 C 和维生素 E 补充剂（EC）；(8)硒、维生素 C 和维生素 E 补充剂（SCE）。补充量分别为 0.9 毫克/千克硒、300 毫克/千克维生素 C 和 100 毫克/千克维生素 E。经过一周的适应期后，进行了为期 10 周的生长试验。与其他处理相比，喂食 SCE 日粮的鱼的最终增重、体长、增重百分比和特定生长率都明显更高（p< 0.05）。与对照组和单一添加剂组相比，SCE、SC、SE 和 EC 组的肾脏、肝脏、胰腺和肌肉中的硒浓度明显更高（p< 0.05）。与所有其他组相比，SCE 组的血液学参数，包括白细胞、红细胞、血红蛋白、血细胞压积和 MCHC，均明显升高（p< 0.05）。同样，SCE 组的 ALT、AST 和 ALP 的血清活性也明显低于其他处理组（p< 0.05），而血糖水平则不受饮食处理的影响（p> 0.05）。补充 Se、维生素 C 和 E 的鱼类全身和肌肉组织中的超氧化物歧化酶 (SOD)、过氧化氢酶 (CAT) 和谷胱甘肽过氧化物酶 (GPx) 等抗氧化酶活性显著提高（p< 0.05）。与所有补充组相比，对照组肌肉和血清中硫代巴比妥酸活性物质（TBARS）水平明显升高（p< 0.05）。肉的近似组成，包括干物质、脂肪、灰分和蛋白质含量，没有受到日粮处理的明显影响（p> 0.05）。总之，硒、维生素 C 和维生素 E 的膳食补充能明显改善鳙鱼幼鱼的生长性能、组织中的硒沉积和抗氧化状态，而不会对肉的化学成分产生不利影响。

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Effects of dietary organic selenium, vitamin C, and vitamin E supplementation on growth performance, serum biochemistry, and antioxidant status in juvenile Hypophthalmichthys molitrix

The study aimed to evaluate the effects of dietary supplementation of selenium (Se), vitamin C, and vitamin E on growth performance, meat quality, and antioxidant status in Hypophthalmichthys molitrix juveniles. A total of 480 juveniles (mean weight: 20 ± 0.29 g) were randomly assigned to 24 aquaria (20 fish per 100 L), which were allocated to eight dietary treatments (three aquaria per treatment) following a completely randomized design. The dietary treatments included: (1) a basal diet without supplementation (Control), (2) selenium supplementation (S), (3) vitamin C supplementation (C), (4) vitamin E supplementation (E), (5) selenium and vitamin C supplementation (SC), (6) selenium and vitamin E supplementation (SE), (7) vitamin C and vitamin E supplementation (EC), and (8) selenium, vitamin C, and vitamin E supplementation (SCE). The supplementation levels were 0.9 mg/kg Se, 300 mg/kg vitamin C, and 100 mg/kg vitamin E, respectively. After a one-week acclimatization period, a 10-week growth trial was conducted. Fish fed the SCE diet exhibited significantly higher (p< 0.05) final weight gain, body length gain, body weight gain percentage, and specific growth rates compared to other treatments. Selenium concentrations in the kidney, liver, pancreas, and muscle were significantly higher (p< 0.05) in the SCE, SC, SE, and EC groups compared to the Control and single-supplement groups. Hematological parameters, including WBC, RBC, HGB, HCT, and MCHC, were significantly higher (p< 0.05) in the SCE group compared to all other groups. Similarly, serum activities of ALT, AST, and ALP were significantly lower (p< 0.05) in the SCE group than in other treatments, while blood glucose levels were unaffected (p > 0.05) by dietary treatments. Antioxidant enzyme activities, including superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx), were significantly enhanced (p< 0.05) in the whole body and muscle tissues of fish receiving Se, vitamin C, and E supplementation. Thiobarbituric acid reactive substances (TBARS) levels in muscle and serum were significantly higher (p< 0.05) in the Control group compared to all supplemented groups. The proximate composition of meat, including dry matter, fat, ash, and protein contents, was not significantly affected (p > 0.05) by the dietary treatments. In conclusion, dietary supplementation of selenium, vitamin C, and vitamin E significantly improved growth performance, selenium deposition in tissues, and antioxidant status of Hypophthalmichthys molitrix juveniles, without adversely affecting meat chemical composition.

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来源期刊

Frontiers in Marine Science Agricultural and Biological Sciences-Aquatic Science

CiteScore

5.10

自引率

16.20%

发文量

2443

审稿时长

14 weeks

期刊介绍： Frontiers in Marine Science publishes rigorously peer-reviewed research that advances our understanding of all aspects of the environment, biology, ecosystem functioning and human interactions with the oceans. Field Chief Editor Carlos M. Duarte at King Abdullah University of Science and Technology Thuwal is supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, policy makers and the public worldwide. With the human population predicted to reach 9 billion people by 2050, it is clear that traditional land resources will not suffice to meet the demand for food or energy, required to support high-quality livelihoods. As a result, the oceans are emerging as a source of untapped assets, with new innovative industries, such as aquaculture, marine biotechnology, marine energy and deep-sea mining growing rapidly under a new era characterized by rapid growth of a blue, ocean-based economy. The sustainability of the blue economy is closely dependent on our knowledge about how to mitigate the impacts of the multiple pressures on the ocean ecosystem associated with the increased scale and diversification of industry operations in the ocean and global human pressures on the environment. Therefore, Frontiers in Marine Science particularly welcomes the communication of research outcomes addressing ocean-based solutions for the emerging challenges, including improved forecasting and observational capacities, understanding biodiversity and ecosystem problems, locally and globally, effective management strategies to maintain ocean health, and an improved capacity to sustainably derive resources from the oceans.