Aquaculture Nutrition: Prebiotics and their Applications

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

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 3430

Special Issue Editors


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Guest Editor
CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, 4450-208 Matosinhos, Portugal
Interests: aquaculture, fish physiology; fish nutrition; feed intake regulation; alternative ingredients; functional ingredients; prebiotics; probiotics; fish health and welfare
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CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, 4450-208 Matosinhos, Portugal
Interests: aquaculture; fish nutrition; dietary carbohydrates; fish physiology; alternative ingredients; functional ingredients; prebiotics; probiotics; fish health and welfare; nutrition and gut microbiota

Special Issue Information

Dear Colleagues,

In the last few years, with the increased demand for aquaculture-derived food, the ban on the use of antibiotics as prophylactic agents and growth promoters, and consumer pressure for healthier and sustainable aquaculture production, the use of functional ingredients has begun to be increasingly explored. In this scenario, prebiotics have appeared as a sustainable and appealing alternative. Thus, recently, great efforts have been made in the study of prebiotic use in aquaculture fish and shellfish production. While some topics such as the effects on growth and disease resistance are better studied, other topics, such as the effects on glucose or lipid metabolism or on oxidative stress, are less studied. The knowledge provided by mammalian studies shows us the importance of further exploring these topics. Moreover, factors such as the age and size response, timing and duration of prebiotic administration, rearing temperature effect (of great importance in those animals due to the surrounding environment where they are reared) or prebiotic dosages remain to be further explored.

The interactive effect of prebiotics and probiotics is also a matter of interest that deserves to be better explored in fish and shellfish, since prebiotics potentiate probiotics’ effects.

This Special Issue welcomes contributions on these topics as literature reviews, original research manuscripts or short communications. Topics of special interest include manuscripts on the combination of prebiotics and species that have not yet been studied, the mechanisms of prebiotics’ action, or the above-mentioned understudied topics.

Dr. Inês Guerreiro
Dr. Paula Enes
Guest Editors

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Keywords

  • fish
  • functional ingredients
  • growth performance
  • gut microbiota
  • health
  • immune response
  • shellfish
  • symbiotic

Published Papers (1 paper)

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Research

13 pages, 1378 KiB  
Article
Mannan Oligosaccharide Enhanced the Growth Rate, Digestive Enzyme Activity, Carcass Composition, and Blood Chemistry of Thinlip Grey Mullet (Liza ramada)
by Fawzy I. Magouz, Mohamed I. Bassuini, Malik M. Khalafalla, Ramy Abbas, Hani Sewilam, Salama Mostafa Aboelenin, Mohamed Mohamed Soliman, Asem A. Amer, Ali A. Soliman, Hien Van Doan and Mahmoud A. O. Dawood
Animals 2021, 11(12), 3559; https://doi.org/10.3390/ani11123559 - 14 Dec 2021
Cited by 13 | Viewed by 2677
Abstract
Mannan oligosaccharide (MOS) is prebiotic with high functionality in aquaculture. The current study investigated the potential roles of MOS on the growth performance, digestive enzyme activity, carcass composition, and blood chemistry of Thinlip grey mullet (Liza ramada). Four tested diets with [...] Read more.
Mannan oligosaccharide (MOS) is prebiotic with high functionality in aquaculture. The current study investigated the potential roles of MOS on the growth performance, digestive enzyme activity, carcass composition, and blood chemistry of Thinlip grey mullet (Liza ramada). Four tested diets with 34.49% crude protein and 6.29% of total lipids were prepared and fortified with 0, 0.5, 1, and 2% MOS. Fish of initial weight = 5.14 ± 0.11 g/fish were distributed in 12 hapas (0.5 × 0.5 × 1 m) at 15 fish per hapa (triplicates) and fed the test diets to the satiation level two times a day (08:00 and 15:00) for eight weeks. At the end of the trial, all fish were weighed individually for growth performance calculation. Blood was collected to check blood chemistry traits, and intestines were dissected for digestive enzyme analysis. Fish treated with MOS had marked enhancement in the final body weight, feed conversion ratio, protein gain, and protein retention regardless of inclusion dose (p < 0.05). The weight gain, specific growth rate, and protein efficiency ratio were meaningfully enhanced by including MOS at 0.5 and 1%, followed by fish fed with 2% MOS, while the lowest values were in the control group (p < 0.05). Insignificant influences of MOS were seen on the chemical composition of carcass components (moisture, crude protein, total lipids, and ash) (p > 0.05). Fish treated with MOS at 0.5 and 1% had marked enhancement in the amylase, lipase, and protease activities regardless of inclusion dose (p < 0.05). The blood total protein and albumin levels were meaningfully enhanced by including MOS at 0.5 and 1%, followed by fish fed with 2% MOS, while the lowest values were in the control group (p < 0.05). The blood globulin was significantly enhanced in fish fed 1% MOS than fish treated with 0, 0.5, and 2% of MOS (p < 0.05). The blood lysozyme activity was meaningfully enhanced by including MOS at 1%, followed by fish treated with 0.5 and 2%, while the lowest values were in the control group (p < 0.05). Phagocytic activity and phagocytic index were markedly improved in fish treated with 1 and 2% MOS, followed by those fed 0.5% compared with fish fed MOS-free diet (p < 0.05). Superoxide dismutase and glutathione peroxidase were markedly improved in fish treated with 1, and 2% MOS, followed by those fed 0.5% compared with fish fed MOS-free diet (p < 0.05). Dietary MOS (0.5, 1, and 2%) meaningfully enhanced catalase activity while decreased the malondialdehyde concentration (p < 0.05). In summary, dietary MOS is required at 0.5–1% for enhancing the growth rate, feed efficiency, digestive enzyme activity, blood chemistry, and antioxidative capacity of grey mullet. Full article
(This article belongs to the Special Issue Aquaculture Nutrition: Prebiotics and their Applications)
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