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Life
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Lipid Nutrition and Metabolism of Fish
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Lipid Nutrition and Metabolism of Fish

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Animal Science".

Deadline for manuscript submissions: closed (30 January 2023) | Viewed by 5335

Special Issue Editors

Dr. Dizhi Xie

E-Mail Website
Guest Editor
College of Marine Science, South China Agricultural University, Guangzhou, China
Interests: aquatic animal nutrition and feed; fish physiology; lipid metabolism; seafood quality and safety
Dr. Songlin Li

E-Mail Website
Guest Editor
College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China
Interests: aquaculture nutrition; fish physiology; metabolic regulation; intestinal microbiota
Special Issues, Collections and Topics in MDPI journals
Dr. Min Jin

E-Mail Website
Guest Editor
College of Marine Science, Ningbo University, Ningbo, China
Interests: aquatic animal nutrition and feed; lipid nutrition and metabolism of fish

Special Issue Information

Dear Colleagues,

Farmed fish have been considered the main source of Omega-3 (n-3) polyunsaturated fatty acids (PUFA) in human diets. The finite nature of fish meal and fish oil as ideal feed resources for farmed fish, and their high price associated with an increasing demand to satisfy growing aquaculture has resulted in many plant alternatives, such as plant proteins and oils, being extensively used in aquafeeds. However, the increase of plant feed ingredients commonly impairs lipid metabolism, fillet quality and the health status of fish. The focus of this Research Topic is on studies that Lipid Nutrition and Metabolism of Fish aimed at reducing the dependence of aquafeeds on fish meal and fish oil while maintaining the balance of lipid metabolism and the nutritional quality of farmed fish.

This research topic aims to collect studies (including original research, perspectives, reviews, and mini reviews) that potential topics include, but are not limited to:

  • Application of new lipid and protein sources in aquatic feeds, and their influence on lipid metabolism and fillet quality.
  • The underlying regulation mechanism of lipid metabolism in teleost.
  • Application of feed additives and feeding strategies, and their influence on lipid metabolism and fillet quality.
  • Fillet quality affected by dietary protein and/or lipid sources.

Dr. Dizhi Xie
Dr. Songlin Li
Dr. Min Jin
Guest Editors

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. Life is an international peer-reviewed open access monthly 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 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

  • lipid metabolism
  • mechanisms
  • lipid and protein resources
  • fish

Published Papers (1 paper)

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Research

20 pages, 2172 KiB  
Article
Embryonic and Larval Development of Stinging Catfish, Heteropneustes fossilis, in Relation to Climatic and Water Quality Parameters
by Balaram Mahalder, Mohammad Mahfujul Haque, Mohammad Abu Baker Siddique, Neaz A. Hasan, Md. Mehedi Alam, Md. Mahamudun Naby Talukdar, Mobin Hossain Shohan, Nusaifa Ahasan, Md. Mahmudul Hasan and A. K. Shakur Ahammad
Life 2023, 13(2), 583; https://doi.org/10.3390/life13020583 - 19 Feb 2023
Cited by 4 | Viewed by 4921
Abstract
In terms of hatchery-based seed production, one of the most important aquaculture species in Bangladesh is the stinging catfish (Heteropneustes fossilis). Scientific and evidence-based embryonic and larval development research on this fish species in the context of climate change is limited. [...] Read more.
In terms of hatchery-based seed production, one of the most important aquaculture species in Bangladesh is the stinging catfish (Heteropneustes fossilis). Scientific and evidence-based embryonic and larval development research on this fish species in the context of climate change is limited. This experimental study was conducted via induced breeding of stinging catfish using a conventional hatchery system, rearing the larvae in hapas placed in ponds. A series of microscopic observations using a trinocular digital microscope and an analysis of the relationship between larval growth and climate-driven water quality parameters such as temperature, pH, dissolved oxygen, total dissolved solids, alkalinity, and ammonia were performed. During embryonic development, the first cleavage was observed between 30 and 35 min of post-fertilization. Embryonic development (ranging from the 2-cell to the pre-hatching stage) took 21:00 h. Hatching occurred at 22:30 to 23:00 h after fertilization, with an average larvae length of 2.78 ± 0.04 mm. In the post-hatching stage, four pairs of tiny barbels appeared at 36:00 h, and the larvae started feeding exogenously after 72:00 h. These larvae fully absorbed their yolk sacs on the 6th day and attained an average length of 6.44 ± 0.06 mm. Aerial respiration of the larvae was investigated through naked-eye observation on the 10th day of hatching. The average length of the larvae was 32.00 ± 2.0 mm at the end of the 30-day post-hatching observation period. Bivariate correlation analysis showed significant correlations between key climatic variables and water quality parameters under hapa-based larval-rearing conditions. According to canonical correlation analysis, the first canonical function revealed the highest significant correlation between the two sets of variables (r1 = 0.791). The response variable weight of larvae (6.607) was linked to two explanatory variables: pH (0.321) and dissolved oxygen (0.265). For the second canonical correlation function, a positive correlation (0.431) was observed between the two sets of variables. Larval weight (−18.304) was observed to be linked to climatic variables, including air temperature (−0.316) and surface pressure (0.338). Results of this study reveal the subtle correlation between larval growth and water quality driven by climatic variables. Full article
(This article belongs to the Special Issue Lipid Nutrition and Metabolism of Fish)
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