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Animals
Special Issues
Sustainable Feed Ingredients in Freshwater Aquaculture
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Sustainable Feed Ingredients in Freshwater Aquaculture

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

Deadline for manuscript submissions: 30 November 2024 | Viewed by 3264

Special Issue Editors

Dr. Zsuzsanna Sandor

E-Mail Website1 Website2 Website3
Guest Editor
Research Centre for Aquaculture and Fisheries, Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, Godollo, Hungary
Interests: chromatography; extraction; mass spectrometry; sample preparation; liquid chromatography
Prof. Dr. Csaba Hancz

E-Mail Website
Guest Editor
Faculty of Agricultural and Environmental Sciences, Hungarian University of Agriculture and Life Sciences (MATE), Kaposvár Campus, H-7400 Kaposvár, Hungary
Interests: aquaculture; ecology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The cost of aquafeeds represents about 50–70% of the total production cost in intensive and semi-intensive freshwater aquaculture systems, and this has implications for the sustainable development of aquaculture. The decreasing proportion of fishmeal and fish oil in aquafeeds has coincided with an increase in the introduction of alternative protein meals and oils from a variety of sources, including plant, animal, microalgae, and insect sources. There is growing interest in incorporating agro-industrial by-products, agri-food wastes, or products from circular economic chains into aquafeeds. However, these new resources cause several adverse effects on the physiology and metabolism of fish. On the other hand, some benefits can be obtained if we consider, for example, the increased digestibility or the presence of several bioactive compounds in these new resources.

This Special Issue will publish research papers and reviews on nutritional studies of freshwater fish, including:

(1) the influence of diet on fish performance and nutrient utilization;

(2) the influence of diet on the antioxidant defense system of fish;

(3) the relationship and interaction between dietary ingredients and gut microbiota.

In summary, this Special Issue aims to publish original, state-of-the-art research and reviews related to all aspects of new sustainable feed ingredients in freshwater aquaculture.

Dr. Zsuzsanna Sandor
Prof. Dr. Csaba Hancz
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

  • agro-industrial by-product
  • plants
  • algae
  • single-cell organism
  • insects
  • fish health
  • probiotics
  • microbiota

Published Papers (3 papers)

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Research

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15 pages, 2678 KiB  
Article
Effect of Substituting Soybean Meal in Oreochromis niloticus Diets with Pumpkin (Cucurbita maxima) Seed Cake on Water Quality, Growth, Antioxidant Capacity, Immunity, and Carcass Composition
by Hossam A. M. Mounes, Zeinab M. A. Abd-El Azeem, Dena. A. Abd El-Bary, Adham A. Al-Sagheer, Yasmina M. Abd-Elhakim, Bayan A. Hassan, Sherif S. Sadek and Kareem. M. Ahmed
Animals 2024, 14(2), 195; https://doi.org/10.3390/ani14020195 - 07 Jan 2024
Cited by 1 | Viewed by 974
Abstract
A 10-week feeding experiment was performed to determine the impacts of partial substitution of soybean meal (SB) with pumpkin seed cake (PSC) in Oreochromis niloticus diets on water quality, growth rate, antioxidant capacity, immunity, and carcass composition. One hundred and fifty tilapia fish [...] Read more.
A 10-week feeding experiment was performed to determine the impacts of partial substitution of soybean meal (SB) with pumpkin seed cake (PSC) in Oreochromis niloticus diets on water quality, growth rate, antioxidant capacity, immunity, and carcass composition. One hundred and fifty tilapia fish (average weight, 11.93 ± 0.17 g) were randomly allocated to five diets. The first diet (the basal diet) contained 420 g of SB per kg of feed. The remaining four diets, namely, D1, D2, D3, and D4, had SB partially replaced by PSC at 10%, 20%, 30%, and 40%, respectively. The results revealed that D4 and D1 significantly improved dissolved oxygen levels, while water temperature, pH, total ammonia, and nitrate levels were not significantly affected. Replacing SB with PSC significantly improved specific growth performance indicators and feed conversion compared to the control, with the D4 group showing the best values. Increasing PSC levels decreased serum glucose, aspartate aminotransferase, alanine aminotransferase, cholesterol, and triglyceride levels. In contrast, the D4 group had higher globulin, albumin, total protein, and lysozyme serum levels. Moreover, fish-fed PSC had significantly increased superoxide dismutase, glutathione peroxidase, and catalase activities and significantly decreased malondialdehyde levels. Increasing PSC substitution levels in fish diets increased the ash and crude lipid contents in the bodies of the fish, while crude protein and moisture decreased. In conclusion, replacing SB with PSC in fish diets significantly enhances growth performance, feed conversion, and fish health. Moreover, the findings suggest that PSC can be a promising alternative protein source for sustainable aquaculture practices. Full article
(This article belongs to the Special Issue Sustainable Feed Ingredients in Freshwater Aquaculture)
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Review

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15 pages, 708 KiB  
Review
The Role of Insects in Sustainable Animal Feed Production for Environmentally Friendly Agriculture: A Review
by Csaba Hancz, Sadia Sultana, Zoltán Nagy and Janka Biró
Animals 2024, 14(7), 1009; https://doi.org/10.3390/ani14071009 - 26 Mar 2024
Viewed by 855
Abstract
The growing demand for animal protein, the efficient use of land and water, and the limitations of non-renewable energy sources highlight the global importance of edible insects. This paper provides an overview of the key issues regarding the role of edible insects in [...] Read more.
The growing demand for animal protein, the efficient use of land and water, and the limitations of non-renewable energy sources highlight the global importance of edible insects. This paper provides an overview of the key issues regarding the role of edible insects in sustainable feed production and environmentally friendly agriculture. The indispensable ecological services provided by insects are discussed, as well as the farming, products, and nutritional value of edible insects. A representative selection of the literature reviewing major insect species’ chemical compositions and nutritional value is also presented. The use of insect-derived feeds for animal production is presented in detail and discussed for the major terrestrial livestock and aquaculture groups. Full article
(This article belongs to the Special Issue Sustainable Feed Ingredients in Freshwater Aquaculture)
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19 pages, 346 KiB  
Review
Fish Responses to Alternative Feeding Ingredients under Abiotic Chronic Stress
by Julieta Sánchez-Velázquez, Guillermo Abraham Peña-Herrejón and Humberto Aguirre-Becerra
Animals 2024, 14(5), 765; https://doi.org/10.3390/ani14050765 - 29 Feb 2024
Viewed by 1043
Abstract
Aquaculture has become one of the most attractive food production activities as it provides high-quality protein for the growing human population. However, the abiotic chronic stress of fish in intensive fish farming leads to a detrimental condition that affects their health and somatic [...] Read more.
Aquaculture has become one of the most attractive food production activities as it provides high-quality protein for the growing human population. However, the abiotic chronic stress of fish in intensive fish farming leads to a detrimental condition that affects their health and somatic growth, comprising productive performance. This work aims to comprehensively review the impact of alternative and novel dietary protein sources on fish somatic growth, metabolism, and antioxidative capacity under environmental/abiotic stressors. The documental research indicates that ingredients from rendered animal by-products, insects, bacteria as single-cell proteins, and fungal organisms (e.g., yeast, filamentous fungus, and mushrooms) benefit fish health and performance. A set of responses allows fish growth, health, and survival to remain unaffected by feeding with alternative ingredients during chronic environmental stress. Those ingredients stimulate the production of enzymes such as catalase, glutathione peroxidase, and selenoproteins that counteract ROS effects. In addition, the humoral immune system promotes immunoglobulin production (IgM) and cortisol plasmatic reduction. Further investigation must be carried out to establish the specific effect by species. Additionally, the mixture and the pre-treatment of ingredients such as hydrolysates, solid fermentations, and metabolite extraction potentialize the beneficial effects of diets in chronically stressed fish. Full article
(This article belongs to the Special Issue Sustainable Feed Ingredients in Freshwater Aquaculture)
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