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Animals
Special Issues
Research Progress in Growth, Health and Metabolism of Fishes
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Research Progress in Growth, Health and Metabolism of Fishes

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

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1780

Special Issue Editor

Dr. Rafael Lazzari

E-Mail Website
Guest Editor
Department of Animal Science, Federal University of Santa Maria, Santa Maria, Brazil
Interests: nutrition; additives; fish farming; production systens; food quality; feed management

Special Issue Information

Dear Colleagues,

The production of marine and freshwater fish has been growing worldwide. The different production systems that are used have specific characteristics and require different management. Important aspects of nutrition affect the growth, metabolism, and health of fish at different stages of life, for example, diet quality, water conditions, additives, nutrients, and feed management. Furthermore, several alternative ingredients are being tested in fish diets aiming for greater sustainability and lower costs.

This Special Issue will collect original research findings and reviews on nutritional, environmental, and management aspects that affect the growth, metabolism, and health conditions of farmed fish. Work involving genomics, food quality and additives, micronutrients, as well as the impact of production systems are welcome.

Dr. Rafael Lazzari
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 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

  • nutrition
  • additives
  • fish farming
  • production systems
  • food quality
  • feed management

Published Papers (2 papers)

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13 pages, 2018 KiB  
Article
The Effects of Short-Chain Fatty Acids in Gut Immune and Oxidative Responses of European Sea Bass (Dicentrarchus labrax): An Ex Vivo Approach
by Filipa Fontinha, Nicole Martins, Gabriel Campos, Helena Peres and Aires Oliva-Teles
Animals 2024, 14(9), 1360; https://doi.org/10.3390/ani14091360 - 30 Apr 2024
Viewed by 499
Abstract
This study aimed to evaluate the intestinal interactions between three short-chain fatty acids (SCFA), namely, acetate, propionate, and butyrate, and pathogenic bacteria (Vibrio anguillarum) in intestinal explants of European sea bass (Dicentrarchus labrax) juveniles. The anterior intestine of 12 [...] Read more.
This study aimed to evaluate the intestinal interactions between three short-chain fatty acids (SCFA), namely, acetate, propionate, and butyrate, and pathogenic bacteria (Vibrio anguillarum) in intestinal explants of European sea bass (Dicentrarchus labrax) juveniles. The anterior intestine of 12 fish with an average weight of 100 g (killed by excess anesthesia with 2-phenoxyethanol) were sampled and placed in 24-well plates. The experimental treatments consisted of a control medium and a control plus 1 mM or 10 mM of sodium acetate (SA), sodium butyrate (SB), and sodium propionate (SP). After 2 h of incubation, the explants were challenged with Vibrio anguillarum at 1 × 107 CFU/mL for 2 h. After the bacterial challenge, and regardless of the SCFA treatment, the oxidative stress-related genus catalase (cat) and superoxide dismutase (sod) were down-regulated and glutathione peroxidase (gpx) was up-regulated. Furthermore, the immune-related genes, i.e., the tumor necrosis factor (TNF-α), interleukin 8 (IL-8), transforming growth factor (TGF-β), and nuclear factor (NF-Kβ) were also up-regulated, and interleukin 10 (IL-10) was down-regulated. During the pre-challenge, sodium propionate and sodium butyrate seemed to bind the G-protein coupled receptor (grp40L), increasing its expression. During the challenge, citrate synthase (cs) was down-regulated, indicating that the SCFAs were used as an energy source to increase the immune and oxidative responses. Overall, our results suggest that sodium propionate and sodium butyrate may boost European sea bass immune response at the intestine level. Full article
(This article belongs to the Special Issue Research Progress in Growth, Health and Metabolism of Fishes)
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28 pages, 5477 KiB  
Article
Effects of Five Lipid Sources on Growth, Hematological Parameters, Immunity and Muscle Quality in Juvenile Largemouth Bass (Micropterus salmoides)
by Rui Song, Xinfeng Yao, Futao Jing, Wenxue Yang, Jiaojiao Wu, Hao Zhang, Penghui Zhang, Yuanyuan Xie, Xuewen Pan, Long Zhao and Chenglong Wu
Animals 2024, 14(5), 781; https://doi.org/10.3390/ani14050781 - 1 Mar 2024
Viewed by 956
Abstract
This study investigated the effects of fish oil (FO), soybean oil (SO), rapeseed oil (RO), peanut oil (PO) and lard oil (LO) on growth, immunity and muscle quality in juvenile largemouth bass. After 8 weeks, the results showed that FO and RO could [...] Read more.
This study investigated the effects of fish oil (FO), soybean oil (SO), rapeseed oil (RO), peanut oil (PO) and lard oil (LO) on growth, immunity and muscle quality in juvenile largemouth bass. After 8 weeks, the results showed that FO and RO could increase weight gain and serum alkaline phosphatase and apelin values compared with LO (p < 0.05). Except lower crude lipid contents, higher amounts of n-3 polyunsaturated fatty acids (15.83% and 14.64%) were present in the dorsal muscle of the FO and RO groups. Meanwhile, FO and RO could heighten mRNA levels of immune defense molecules (lysozyme, hepcidin, and transforming growth factor β1) compared with PO (p < 0.05). While SO could increase potential inflammatory risk via rising counts of white blood cells, platelets, neutrophils and monocytes, and mRNA levels of interleukins (IL-1β, IL-8, IL-12 and IL-15), FO and RO could improve hardness, chewiness and springiness through increasing amounts of hydroxyproline, collagen and lysyl oxidase, and mRNA levels of collagen 1α2 and prolyl hydroxylase in the fish dorsal muscle. Moreover, FO and RO could improve firmness through increasing glycogen and glycogen synthase 1 levels when compared with LO (p < 0.05). Therefore, these results could provide dietary lipid source references during the feeding process of adult largemouth bass. Full article
(This article belongs to the Special Issue Research Progress in Growth, Health and Metabolism of Fishes)
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