Fish Nutrition and Immunology

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

Deadline for manuscript submissions: 30 June 2025 | Viewed by 1075

Special Issue Editor


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Guest Editor
School of Marine Sciences, Ningbo University, Ningbo 315211, China
Interests: amino acids; fatty acids; stress; innate immunity; physiological response; ammonia; antioxidant; apoptosis; autophagy

Special Issue Information

Dear Colleagues,

With the rapid increase in the global demand for aquatic products, there is an urgent need to develop sustainable aquaculture to cope with the decline in wild-caught resources. The rapid growth of modern aquaculture provides a necessary guarantee for global food security.

The aquaculture model that is currently being widely used inevitably has to deal with the risk of sudden disease outbreaks, and nutrition regulation can improve the immunity of fish and reduce the risk of disease outbreak, but the relationship between nutrients and fish immunity must be understood first. Since the 1960s, the research in these fields has made rapid progress in many aspects. It is therefore necessary to integrate the latest information on aquaculture developments.

This Special Issue aims to provide the latest information on fish nutrition and immunology to develop aquatic feed with immune-enhancing effects. Submissions may take the form of original research, full or mini-reviews, and perspectives on topics including, but not limited to, the following:

  • Fish nutrition and physiological metabolism;
  • The regulatory effect of nutrients on fish immunity;
  • Evaluations of functional additives’ ability to improve fish immunity;
  • Practical evaluations of functional immune additives.

Prof. Dr. Ming Li
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fish
  • nutrition
  • immunity
  • immune additives

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Published Papers (1 paper)

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Research

16 pages, 1446 KiB  
Article
A Study on the Dietary Yeast Polysaccharide Supplementation in Growth Performance, Antioxidant Capacity, and Immunity of Juvenile Largemouth Bass (Micropterus salmoides)
by Junjie Qin, Haifeng Mi, Mingchun Ren, Dongyu Huang, Hualiang Liang, Lu Zhang, Tao Teng and Heng Yin
Fishes 2025, 10(1), 26; https://doi.org/10.3390/fishes10010026 - 8 Jan 2025
Viewed by 775
Abstract
The aim of this study was to investigate the effects of dietary yeast polysaccharide (YPS) supplementation on the growth performance, whole-body composition, antioxidant capacity, and immunity of juvenile largemouth bass (Micropterus salmoides). In this study, five diets with YPS levels of [...] Read more.
The aim of this study was to investigate the effects of dietary yeast polysaccharide (YPS) supplementation on the growth performance, whole-body composition, antioxidant capacity, and immunity of juvenile largemouth bass (Micropterus salmoides). In this study, five diets with YPS levels of 0.00% (control), 0.05% (0.05Y), 0.10% (0.10Y), 0.15% (0.15Y), and 0.20% (0.20Y) were designed and prepared. A total of 300 healthy fish (3.20 ± 0.03 g) were randomly divided into 15 floating cages (1 × 1 × 1 m) in five different groups, with three replicates per group, for an 8-week culture experiment. The 0.10Y and 0.20Y groups had significantly higher feed conversion ratios compared with the control group. There was no significant effect on any of the other growth indicators. Plasma biochemical indices showed that the 0.10Y group exhibited the highest plasma alkaline phosphatase content and the 0.20Y group exhibited the highest plasma glucose content. Plasma antioxidant indices (total antioxidant capacity, superoxide dismutase, and glutathione) and antioxidant genes (catalase and superoxide dismutase) were elevated in the 0.05Y or 0.10Y groups, and the malondialdehyde content decreased with increasing YPS concentration. Moreover, the 0.05Y group showed significantly higher immune-related gene (nuclear factor-kappa B, interleukin-8, and interleukin-10) mRNA expression. Altogether, our results indicate that dietary YPS supplementation enhances the antioxidant and immune capacity of M. salmoides, but with no positive effect on their growth. Full article
(This article belongs to the Special Issue Fish Nutrition and Immunology)
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