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A comprehensive review of macroalgae and microalgae synergies: Impacts on growth, development, and immune functions in aquatic animals
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R. Nahavandi *   |
| Animal Science Research Institute of Iran (ASRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran |
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Abstract: (29 Views) |
Integrating macro and micro algae into aquaculture has emerged as a promising strategy for increasing the growth, development and safety of aquatic animals. This review provides a detailed analysis of the benefits and challenges of using both macro and micro algae in aquaculture and animal health. The emphasis is on their nutritional value, their impact on the environment and their potential for improving disease resistance and water quality. In addition, the review examines current research trends, future directions and possible applications of algal aquaculture systems. The use of algae in aquaculture is not new, but recent advances in cultivation techniques and nutritional composition have made them viable as a food supplement. Macro-algae, such as seaweed, are traditionally used as food and feed in coastal communities, while microalgae are gaining attention for their high nutritional value and bioactive compounds. Combining the two types of algae offers a holistic approach for improving the aquaculture process. In addition, the environmental benefits of algal-based systems are considerable. By using algae to take up nutrients and purify water, aquaculture can reduce its environmental footprint. This is particularly important in a sector under increasing pressure to adopt sustainable practices. The review will look at the details of how macro and micro algae contribute to these objectives and examine case studies where their integration has resulted in better results. Moreover, the economic advantages of algal aquaculture should not be neglected. By reducing reliance on traditional feed sources and minimizing waste, algae-based systems can provide aquaculture operations with cost-effective solutions. This aspect is of key importance for small farmers, who often face financial constraints when it comes to adopting new technologies. In addition to these benefits, algal-based systems can also contribute to food security by providing a sustainable source of protein for the human diet. As global demand for seafood continues to grow, the aquaculture industry needs to find ways of meeting this demand without jeopardizing the environmental sustainability of the sector. Systems based on algae offer a promising solution to this problem.
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| Keywords: Macro and micro algae, Water quality, Disease resistance, Food security. |
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Full-Text [PDF 218 kb]
(39 Downloads)
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Type of Study: Research |
Subject:
General
Received: 2025/04/9 | Published: 2025/04/9
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