Synbiotic Supplementation Boosts Growth, Gut Health, and Immunity in Asian Fossil Catfish (Heteropneustes fossilis)

IF 1.9 4区 农林科学 Q2 FISHERIES
Sadia Salam Linda, Md. Jobayer Islam, Sadia Afrin Mou, Md. Hamidul Islam, Md. Shahjahan, M. Sadiqul Islam
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Abstract

This study explores the effects of synbiotics on growth, intestinal health, and immunity in the Asian fossil catfish (Heteropneustes fossilis), a crucial species in Southeast Asian aquaculture. With the rising use of antibiotics in aquaculture, which poses risks to both the environment and consumer health, there is an urgent need for sustainable alternatives. This study investigates how synbiotics—combinations of probiotics and prebiotics—can enhance fish health and performance. Four dietary treatments with varying synbiotic concentrations (0%, 4%, 6%, and 8%) were tested over 45 days. Results indicated that synbiotic supplementation significantly improved growth metrics, including final weight and specific growth rate (SGR), with the highest benefits observed at 8% inclusion. Additionally, dietary synbiotics enhanced intestinal health by increasing villi height and width and crypt depth and positively affected hematological parameters, notably elevating hemoglobin (Hb) levels. Histological analysis revealed improved liver tissue organization and hepatocyte morphology with higher synbiotic concentrations. These findings suggest that synbiotics offer substantial benefits for fish growth, health, and immunity, positioning them as a viable, ecofriendly alternative to antibiotics in aquaculture. Further research should aim to refine synbiotic formulations and investigate their underlying mechanisms to optimize their application in sustainable aquaculture practices.

Abstract Image

合成添加剂促进亚洲鲶鱼化石的生长、肠道健康和免疫力
本研究探讨了合生剂对亚洲鲶鱼化石(Heteropneustes fossilis)生长、肠道健康和免疫的影响,这是东南亚水产养殖的重要物种。随着水产养殖中抗生素使用量的增加,这对环境和消费者健康都构成了风险,因此迫切需要可持续的替代品。本研究探讨了益生菌和益生元的组合如何提高鱼类的健康和性能。四种不同合成菌浓度(0%、4%、6%和8%)的饲粮处理进行了45天的试验。结果表明,添加合成制剂可显著改善生长指标,包括最终体重和特定生长率(SGR),添加量为8%时效果最佳。此外,膳食合成制剂通过增加绒毛高度、宽度和隐窝深度来改善肠道健康,并积极影响血液学参数,特别是提高血红蛋白(Hb)水平。组织学分析显示,较高的合成菌浓度改善了肝组织组织和肝细胞形态。这些发现表明,合成抗生素对鱼类的生长、健康和免疫力有实质性的好处,使其成为水产养殖中抗生素的可行、生态友好的替代品。进一步的研究应旨在改进合成制剂并调查其潜在机制,以优化其在可持续水产养殖实践中的应用。
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来源期刊
Aquaculture Research
Aquaculture Research 农林科学-渔业
CiteScore
4.60
自引率
5.00%
发文量
464
审稿时长
5.3 months
期刊介绍: International in perspective, Aquaculture Research is published 12 times a year and specifically addresses research and reference needs of all working and studying within the many varied areas of aquaculture. The Journal regularly publishes papers on applied or scientific research relevant to freshwater, brackish, and marine aquaculture. It covers all aquatic organisms, floristic and faunistic, related directly or indirectly to human consumption. The journal also includes review articles, short communications and technical papers. Young scientists are particularly encouraged to submit short communications based on their own research.
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