Dietary Supplementation in Aquaculture

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Nutrition and Feeding".

Deadline for manuscript submissions: 15 February 2026 | Viewed by 1597

Special Issue Editors


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Guest Editor
Institute for Research and Development in Aquatic Ecology, Fishing and Aquaculture, 54 Portului Street, 800211 Galati, Romania
Interests: aquaculture; sturgeon technologies; fish farming and engineering technologies; fish pathology; biotechnologies; biodiversity of living aquatic resources—aquaculture technologies; fish nutrition; fish physiology
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute for Research and Development in Aquatic Ecology, Fishing and Aquaculture, 54 Portului Street, 800211 Galati, Romania
Interests: aquaculture; aquaculture technologies; fish nutrition; fish physiology; fish diseases
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Aquaculture and the production of aquatic organisms have expanded significantly in recent decades and are considered to be the most rapidly growing agri-food sectors. Aquaculture production worldwide exceeded commercial fisheries production for the first time in 2022, accounting for about 52% of total production volume. The continuous concern for the maintenance of the health of fish and other aquatic organisms useful to people is a major objective of modern aquaculture, and particular attention is focused on the quality of products from intensive aquaculture where farmers must provide the market with a final product following legislation in alignment with European or international standards. For this reason, the need has emerged to identify and develop viable ecological solutions to ensure the biosecurity of farming systems by using probiotic microorganisms or plant bioactive compounds, especially in farming fish species with high economic value. The research studies collected in this Special Issue, performed to obtain information and data of real importance, both at a technical and technological level, will contribute to the development of knowledge in the field at an international level, where many of the issues approached in this research may provide confirmation or new aspects.

Prof. Dr. Neculai Patriche
Dr. Elena Sîrbu
Guest Editors

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Keywords

  • nutrition
  • physiology
  • feed additives
  • nutrients
  • biochemistry
  • immunity

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Published Papers (2 papers)

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Research

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11 pages, 584 KB  
Article
Effects of Bacillus licheniformis Feeding on the Growth Performance, Blood Parameters and Intestinal Microbiota of Adult Hybrid Sturgeon
by Quansen Xie, Yu Wang, Xinyu Huang, Yiran Liu, Mingjian Yang, Haochun Xing, Caimei Yang, Caihong Hu, Mingzhu Pan and Zhitao Qi
Fishes 2025, 10(5), 189; https://doi.org/10.3390/fishes10050189 - 22 Apr 2025
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Abstract
In this study, we added Bacillus licheniformis to the diet of hybrid sturgeon (Acipenser baeriiAcipenser schrenkii ♂) to determine its effects on growth performance, blood physical and chemical indices and intestinal microflora composition. One hundred and sixty adult hybrid sturgeon [...] Read more.
In this study, we added Bacillus licheniformis to the diet of hybrid sturgeon (Acipenser baeriiAcipenser schrenkii ♂) to determine its effects on growth performance, blood physical and chemical indices and intestinal microflora composition. One hundred and sixty adult hybrid sturgeon were selected and fed with four types of diets (equal nitrogen and fat levels) that were respectively supplemented with 0.00% (control group), 0.10% (Group B), 0.20% (Group C) and 0.40% (Group D) B. licheniformis for 120 days. Results showed that the fish in group C had the highest final body weight, weight gain rate and specific growth rate (p < 0.05). The feed coefficients, crude protein and crude fat of group B, group C and group D were significantly lower than that of group A (p < 0.05). And the crude protein (CP) and crude fat (EE) in groups B, C and D were significantly higher than the control group (p < 0.05). The serum TC and TG, ALP, ALT, AST and GLU contents in the B. licheniformis-added groups were also significantly higher than those of the control group (p < 0.05). In addition, Cetobacterium was the dominant bacterial taxon in each group. With increasing the content of B. licheniformis in the diet, the Cetobacterium content decreased and the Plesiomonas content increased correspondingly. Adding B. licheniformis to the diet greatly decreased the abundance of Streptococcus, Candidatus Competibacter and Lactococcus. Our results indicated that appropriately adding (0.20%) B. licheniformis could increase growth, reduce the feed coefficient and increase the diversity of the intestinal microbiota of hybrid sturgeon. Full article
(This article belongs to the Special Issue Dietary Supplementation in Aquaculture)
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Review

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25 pages, 828 KB  
Review
From Gut to Fillet: Comprehensive Effects of Tenebrio molitor in Fish Nutrition
by Andrada Ihuț, Camelia Răducu, Paul Uiuiu and Camelia Munteanu
Fishes 2025, 10(9), 468; https://doi.org/10.3390/fishes10090468 - 20 Sep 2025
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Abstract
As aquaculture expands, there is a growing demand for sustainable and environmentally friendly feed ingredients that can replace conventional fish meal while maintaining high biological value and digestibility. The use of fishmeal has contributed to overfishing, making it an increasingly limited and unsustainable [...] Read more.
As aquaculture expands, there is a growing demand for sustainable and environmentally friendly feed ingredients that can replace conventional fish meal while maintaining high biological value and digestibility. The use of fishmeal has contributed to overfishing, making it an increasingly limited and unsustainable resource. Tenebrio molitor (TM) is emerging as a sustainable alternative to fishmeal (FM) in aquaculture diets, gaining attention due to its balanced protein composition profile and low environmental footprint. This review critically analyses data from the literature on the use of TM meal as a substitute for fish feed ingredient, focusing on its effects on growth performance, physiological status, and histological changes in the digestive and muscular systems. The influence on the physicochemical and sensory quality of fish meat is also evaluated. The discussion highlights both the benefits and possible adverse effects, such as intestinal inflammation or changes that may occur, depending on the replacement level. The paper presents recommendations and strategies to mitigate these effects, including the use of dietary supplements or partial replacement schemes. Overall, this paper emphasises the promising potential of TM as a sustainable alternative to FM in aquaculture feed, while highlighting the need for further research into the long-term effects, involved metabolic pathways, and standardisation of insect meal production. This review provides valuable insight into the physiological changes that may occur, particularly at high inclusion levels. As TM is utilized in both human nutrition and aquaculture diets, monitoring its physiological effects in fish is essential, since any alterations may have implications for human food safety. Full article
(This article belongs to the Special Issue Dietary Supplementation in Aquaculture)
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