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Animals
Special Issues
The Relationship between Feeds, Feeding and Fish Quality
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The Relationship between Feeds, Feeding and Fish Quality

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

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 3214

Special Issue Editors

Dr. Maciej Kamaszewski

E-Mail Website
Guest Editor
Department of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Sciences, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland
Interests: fisheries; physiology of digestion; histology; enzymes; alternative protein sources
Dr. Robert Kasprzak

E-Mail Website
Guest Editor
Department of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Sciences, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland
Interests: aquaculture; fish nutrition; histology; skeletal development; digestive enzymes; immunology

Special Issue Information

Dear Colleagues,

Global growth in the aquaculture industry is (at least partially) due to the use of innovative strategies and technologies. As a result, fish culture is becoming increasingly more intensified, yielding higher production outputs every year. However, this does not come without a cost, as the quality of the fish produced may deteriorate significantly due to various welfare-related aspects in such practices.

Feeding remains one of the most crucial determinants of successful fish culture, and it is clear that much remains to be done in this particular field of study. Unfortunately, the composition of aquafeeds does not address the nutritional demands of produced fish, while the morpho- and physiological differences that exist between produced species are frequently disregarded. Therefore, the intertwining issues of diet formulation, feeding strategies and the preservation of the healthy body condition of fish need to be studied concurrently in order to promote an ethically sound approach to aquaculture.

We encourage the submission of papers focused on various aspects of fish nutrition, such as: dietary formulations, larviculture, feeding strategy adjustments for different life stages, alternative protein and lipid sources, functional additives, physiology of digestion and others. Studies devoted to ornamental fish species are also welcomed.

Dr. Maciej Kamaszewski
Dr. Robert Kasprzak
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. 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

  • aquaculture
  • fish nutrition
  • aquafeeds
  • nutritional demands
  • dietary composition
  • functional ingredients
  • alternative protein sources
  • alternative lipid sources
  • body condition
  • digestion
  • skeletal development
  • external morphology
  • morphological differences
  • ornamental fish

Published Papers (2 papers)

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Research

16 pages, 1075 KiB  
Article
The Influence of Commercial Feed Supplemented with Carnobacterium maltaromaticum Environmental Probiotic Bacteria on the Rearing Parameters and Microbial Safety of Juvenile Rainbow Trout
by Iwona Gołaś and Jacek Arkadiusz Potorski
Animals 2022, 12(23), 3321; https://doi.org/10.3390/ani12233321 - 28 Nov 2022
Cited by 1 | Viewed by 1149
Abstract
The aim of this study was to determine the effect of commercial feed (CF) supplemented with 0.1% of the Carnobacterium maltaromaticum environmental probiotic strain on the rearing parameters, apparent nutrient digestibility, and microbial safety of juvenile rainbow trout (Oncorhynchus mykiss). The [...] Read more.
The aim of this study was to determine the effect of commercial feed (CF) supplemented with 0.1% of the Carnobacterium maltaromaticum environmental probiotic strain on the rearing parameters, apparent nutrient digestibility, and microbial safety of juvenile rainbow trout (Oncorhynchus mykiss). The fish were fed CF (control group, CG) and experimental feed (EF) supplemented with 0.1% of C. maltaromaticum (experimental group, EG) for 56 days. The final body weight and total body length of the fish were measured. The growth rate, condition factor, feed conversion ratio, viscerosomatic and hepatosomatic indices, and apparent digestibility coefficients of protein (PAD), lipids (LAD), ash (AAD), and nitrogen-free extract (NFEAD) were calculated. The total viable counts of C. maltaromaticum bacteria, mesophilic bacteria, hemolytic mesophilic bacteria, Pseudomonas fluorescens, Aeromonas hydrophila, Staphylococcus sp., and sulfite-reducing anaerobic spore-forming Clostridium sp. were determined in digestive tract contents and the skin of fish. Feed supplementation with C. maltaromaticum significantly affected most rearing parameters, as well as the PAD, LAD, AAD and NFE values, and bacterial counts. The principal component analysis (PCA) revealed significant positive correlations (p < 0.05) between fish growth rates, PAD and LAD values vs. C. maltaromaticum counts in the EF and in the digestive tract contents of the fish. Full article
(This article belongs to the Special Issue The Relationship between Feeds, Feeding and Fish Quality)
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14 pages, 1164 KiB  
Article
Effects of Dietary Supplementation of Peanut Skin Proanthocyanidins on Growth Performance and Lipid Metabolism of the Juvenile American Eel (Anguilla rostrata)
by Yue Wang, Xue-Hao Chen, Xin-Yi Wu, Guo-He Cai and Shao-Wei Zhai
Animals 2022, 12(18), 2375; https://doi.org/10.3390/ani12182375 - 12 Sep 2022
Cited by 6 | Viewed by 1722
Abstract
As a functional feed additive, grape seed proanthocyanidin extract has received a lot of attention due to its biological activity in the health of aquatic animals, but its high cost limits the application of this feed additive in the diet of many fish [...] Read more.
As a functional feed additive, grape seed proanthocyanidin extract has received a lot of attention due to its biological activity in the health of aquatic animals, but its high cost limits the application of this feed additive in the diet of many fish species. It is thus urgent to develop a new resource of proanthocyanidin extract. We aimed to investigate the effects of dietary supplementation with peanut skin proanthocyanidins (PSPc) on growth parameters and lipid metabolism of juvenile American eel (Anguilla rostrata). Four hundred and fifty juvenile eels were randomly divided into five groups fed diets with five PSPc supplementation levels. The trial lasted for 8 weeks. Dietary PSPc supplementation significantly improved weight gain and feed utilization, and the best growth performance was found in the group fed with 900 mg/kg PSPc. PSPc supplementation significantly affected the crude protein level of whole fish and serum lipid parameters, and the best lipid-lowering effect was found in the fish fed with 900 mg/kg PSPc. Dietary PSPc supplementation increased lipolytic enzyme activities and decrease lipid synthase levels in the liver. The lipid metabolites affected by 900 mg/kg PSPc in the liver were mainly upregulated phosphatidylethanolamine in autophagy, downregulated ceramides in sphingolipid metabolism, upregulated phosphatidylcholine and phosphatidylethanolamine, downregulated 2-lysophosphatidylcholine in glycerophospholipid metabolism, and upregulated phosphatidylcholine in linoleic acid metabolism. In conclusion, an appropriate level of PSPc might effectively improve growth performance and regulate the lipid metabolism of the juvenile American eel, and 900 mg/kg PSPc is recommended in the diet of this fish species. Full article
(This article belongs to the Special Issue The Relationship between Feeds, Feeding and Fish Quality)
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