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Advances in Nutrition, Sustainability and Ecology of Salmonids

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Aquatic Animals".

Deadline for manuscript submissions: closed (30 January 2026) | Viewed by 849

Special Issue Editor


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Guest Editor
Aker BioMarine Antarctic ASA, 1366 Lysaker, Norway
Interests: aquaculture; nutrition; krill; salmon; marine fish

Special Issue Information

Dear Colleagues,

This Special Issue will explore the latest advancements in nutrition, sustainability, and ecological management in salmonids, highlighting their critical role in both natural ecosystems and aquaculture. Recent research has revealed novel dietary strategies that enhance growth and health in salmonids while reducing their environmental impact. Innovations in feed formulation and nutrient optimization are paving the way for more sustainable aquaculture practices. Concurrently, advancements in ecological studies are providing deeper insights into the intricate relationships between salmonids and their habitats, including the effects of climate change and habitat degradation. Together, these contributions offer a comprehensive perspective on managing salmonid species sustainably, emphasizing the need for integrated approaches to nutrition, environmental stewardship, and ecological balance.

Dr. Kiranpreet Kaur
Guest Editor

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Keywords

  • salmonidae
  • nutrition
  • feed
  • sustainable aquaculture
  • fish ecology
  • climate change
  • habitat degradation

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Published Papers (1 paper)

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Research

19 pages, 1099 KB  
Article
Growth, Health and Physiological Responses of Freshwater-Reared Atlantic Salmon (Salmo salar) Fed Graded Dietary Lipid Levels
by Byoungyoon Lee, Junoh Lee, Saeyeon Lim, Gwanghyeok Kim, Minjae Seong, Dahyun Jeong, Sijun Han, Byung-Hwa Min, Kang-Woong Kim, Seong-Mok Jeong, Mun Chang Park, Woo Seok Hong, Se Ryun Kwon and Youngjin Park
Animals 2026, 16(3), 356; https://doi.org/10.3390/ani16030356 - 23 Jan 2026
Viewed by 330
Abstract
This study evaluated the optimal dietary lipid level for Atlantic salmon (Salmo salar) reared in freshwater, aiming to provide foundational knowledge for the development of cost-effective and nutritionally balanced aquafeeds. Four experimental diets were formulated to contain comparable crude protein levels [...] Read more.
This study evaluated the optimal dietary lipid level for Atlantic salmon (Salmo salar) reared in freshwater, aiming to provide foundational knowledge for the development of cost-effective and nutritionally balanced aquafeeds. Four experimental diets were formulated to contain comparable crude protein levels (47%) but graded lipid levels of 14% (L14), 16% (L16), 18% (L18), and 20% (L20), and were fed to salmon with an initial mean body weight of 241.5 ± 9.7 g during a 12-week feeding trial. Fish in the L16 group exhibited the highest weight gain (WG) and feed efficiency (FE), whereas those in the L14 group showed significantly reduced growth performance. Antioxidant analysis revealed that glutathione peroxidase (GPx) activity was lowest in the L14 group (p < 0.05), while plasma glucose concentration was minimized in the L16 group (p < 0.05). Transcriptomic profiling of liver tissue from the L14 and L16 groups identified 2117 differentially expressed genes (DEGs). Genes associated with lipid metabolism were more highly expressed in the L16 group, whereas immune- and inflammation-related genes were upregulated in the L14 group. These findings suggest that a dietary lipid level of approximately 16% is most favorable for promoting growth, metabolic stability, and overall health in freshwater-reared Atlantic salmon, thereby providing practical guidance for optimizing feed formulation and improving the economic efficiency of freshwater salmon aquaculture. Full article
(This article belongs to the Special Issue Advances in Nutrition, Sustainability and Ecology of Salmonids)
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