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Open research questions in Aquaculture Nutrition and Growth

204 gap statements mined from Aquaculture Nutrition and Growth papers in our 4.5M-paper local library, which holds 1,556 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • Future research should investigate the effects of light on growth in other species. Future research should explore the mechanisms by which light affects growth in aquatic organisms.

    Artificial light including blue-green wavelengths promotes growth of Rachycentron canadum with mRNA upregulation of appetite, growth and lipid synthesis · 2026 · DOI

  • The study aims to address this gap by investigating the effect of light wavelengths on growth performance in cobia.

    Artificial light including blue-green wavelengths promotes growth of Rachycentron canadum with mRNA upregulation of appetite, growth and lipid synthesis · 2026 · DOI

  • The optimal stocking density for the culture of Singhi catfish in RAS is not well established. There is a need to evaluate the growth and physio-metabolic performance of stinging catfish in RAS.

    <p>Evaluation of Growth Performance and Feed Utilization Efficiency of Heteropneustes fossilis Recorded Under Different Stocking Density Regimes in a Recirculatory Aquaculture System (RAS)</p> · 2026 · DOI

  • The lack of sustainable aquafeeds is a major challenge for the aquaculture industry. Limited understanding of the effects of alternative feed ingredients on shrimp growth and health. The need for more research on the development of sustainable aquafeeds.

    Effects of Tributyrin Supplementation in High-Soybean-Meal Diet on Growth Performance, Hemolymph and Hepatopancreas Immune and Antioxidant Parameters, and Intestinal Morphology of Juvenile Pacific White Shrimp (Litopenaeus vannamei) · 2026 · DOI

  • The study aims to address this gap by exploring the role of the bsal gene in medaka.

    Knockout of bsal/cel.2 results in growth retardation, reduced lipid digestion and altered energy metabolism in medaka larvae (oryzias latipes) · 2026 · DOI

  • There is a need to explore alternative lipid sources to replace fish oil in aquafeeds.

    Effects of replacing low level fish oil with Nannochloropsis salina oil on growth, fatty acids, flesh quality, liver antioxidant capacity and liver fat deposition of largemouth bass (Micropterus salmoides) juveniles · 2026 · DOI

  • It highlights the need for further research on the RNA/DNA ratio and its application in assessing metabolic health and growth potential.

    Biochemical Study of DNA and RNA in Liver of Teleost: A Review · 2026 · DOI

  • There is a lack of understanding of the association between bone status and muscle traits in South China carp. The study aims to fill this gap by investigating the differences in muscle texture, nutritional composition, and ultrastructure between low-BMD and normal-BMD fish.

    Coordinated Bone–Muscle Axis Association in South China Carp (Cyprinus carpio rubrofuscus) with Low Bone Mineral Density: An Integrated Analysis of Muscle Texture, Nutrition, Ultrastructure, and Proteomics · 2026 · DOI

  • There is a lack of information on the nutritional value of P. motoro. The study aims to fill this gap by characterizing the physical-chemical parameters and lipid profile of P. motoro.

    CARACTERIZAÇÃO FÍSICO-QUÍMICA E PERFIL LIPÍDICO DE ARRAIA DE ÁGUA DOCE POTAMOTRYGON MOTORO CAPTURADAS EM AMBIENTES LÊNTICO E LÓTICO DA AMAZÔNIA OCIDENTAL · 2026 · DOI

  • The need to reduce antibiotic use and enhance the efficiency of production systems. The importance of maintaining the health of fish and other economically important aquatic organisms.

    Dietary Supplementation in Aquaculture · 2026 · DOI

  • The nutritional and environmental impacts of protein sources in aquaculture need to be considered. The use of abalone viscera hydrolyzed protein as a protein source in aquaculture is a new and developing area.

    DIETARY FISHMEAL REPLACEMENT WITH ABALONE VISCERA HYDROLYZED PROTEIN ON GROWTH PERFORMANCE, HEPATIC ANTIOXIDANT CAPACITY, AND INTESTINAL HEALTH IN SPOTTED SEA BASS (LATEOLABRAX MACULATUS) · 2026 · DOI

  • There is a need to investigate the effects of replacing fishmeal with alternative protein sources on fish growth performance and intestinal health. There is a lack of studies on the use of abalone viscera hydrolyzed protein as a protein source in aquaculture.

    DIETARY FISHMEAL REPLACEMENT WITH ABALONE VISCERA HYDROLYZED PROTEIN ON GROWTH PERFORMANCE, HEPATIC ANTIOXIDANT CAPACITY, AND INTESTINAL HEALTH IN SPOTTED SEA BASS (LATEOLABRAX MACULATUS) · 2026 · DOI

  • There is a need to assess the toxicological effect of Lagenaria breviflora whole fruit extract in juvenile African catfish. There is a need to determine the lethal concentrations (LC50) of the extract.

    Toxicological Assessment of Lagenaria breviflora Whole Fruit Extract in Juvenile African Catfish ( Clarias gariepinus ) · 2026 · DOI

  • The use of microalgae as a replacement for meat-and-bone meal is underexplored.

    Results of growing age-1+ common carp (Cyprinus carpio Linnaeus, 1758) in ponds with the introduction of microalgae to their feed composition · 2026 · DOI

  • The question of optimizing feeding for juveniles of the giant freshwater prawn remains open. Prior work has not compared different feeding types in a controlled laboratory setting.

    Growth rates of giant freshwater prawn (Macrobrachium rosenbergii de Man, 1879) on different diets · 2026 · DOI

  • The paper suggests further research on the use of probiotics and biofloc technology in European catfish cultivation. The review highlights the need for research on digital monitoring and automated control of production processes.

    Modern approaches to cultivation of European catfish (Silurus glanis Linnaeus, 1758) (a review) · 2026 · DOI

  • The review highlights the need for further research on modern technological approaches to European catfish cultivation.

    Modern approaches to cultivation of European catfish (Silurus glanis Linnaeus, 1758) (a review) · 2026 · DOI

  • There is a need to investigate the histopathological changes in the liver of Nile tilapia from different aquatic habitats. There is a lack of understanding of the influence of environmental conditions on liver integrity and fishes’ health.

    Comparative Histological Changes in the Liver of Nile Tilapia (Oreochromis niloticus) from Different Aquatic Habitats in Kerbala Governorate, Iraq · 2026 · DOI

  • Introduction Chloramine T (CLT) is utilised in aquaculture for its disinfectant and antiseptic properties, yet its physiological effects on fish health remain underexplored, particularly in emerging species like pikeperch ( Sander lucioperca).

    Chloramine T in pikeperch ( Sander lucioperca ) aquaculture. Safeguard or hidden threat? Evaluating its effect on fish growth, immune response and liver function · 2026 · DOI

  • There is a need for alternative live feed sources that can provide the necessary nutrients for aquatic larvae. The development of formulated diets remains insufficient for larviculture.

    Effects of rotifer (Brachionus plicatilis) density on the ingestion rate, population growth, and nutritional composition of the copepod Tigriopus japonicus in a rotifer-copepod co-culture system · 2026 · DOI

  • The chemical composition and bioactive properties of certain fish species are not well understood. There is a need for more information on the nutritional value of fish species.

    Chemical Composition and Bioactive Properties of Certain Commercially Important Fish Species · 2026 · DOI

  • No metabolomic studies have been reported to reveal the intrinsic mechanisms underlying nutritional quality differences in Procambarus clarkii under diverse culture modes.

    The Effects of Different Culture Modes on the Nutritional Quality of Procambarus clarkii and Mechanistic Insights: A Metabolomic Perspective · 2026 · DOI

  • The study only evaluated the effects of tributyrin supplementation in a high-soybean-meal diet, - The study was conducted in a controlled environment, - The sample size was limited to 300 shrimp, - The study only lasted for 8…

    Effects of Tributyrin Supplementation in High-Soybean-Meal Diet on Growth Performance, Hemolymph and Hepatopancreas Immune and Antioxidant Parameters, and Intestinal Morphology of Juvenile Pacific White Shrimp (Litopenaeus vannamei) · 2026 · DOI

  • This study not only demonstrates the viability of GCKP in goldfish diets but also establishes a precedent for further research into alternative feed sources for other aquaculture species, thereby contributing to the global effort in sustainable aquaculture practices.

    Effects of dietary glandless cottonseed kernel powder as a partial fishmeal substitute on growth performance and feed efficiency of juvenile goldfish, Carassius auratus (Actinopterygii, Cypriniformes, Cyprinidae) · 2026 · DOI

  • The study identifies a gap in the understanding of the nutritional composition of S. wangchiachii. The study aims to fill this gap by providing a comprehensive analysis of the muscle nutritional components of S. wangchiachii with different sizes.

    Analysis and evaluation of nutritional composition of Schizothorax wangchiachii with three different sizes · 2026 · DOI

Most-cited papers in Aquaculture Nutrition and Growth

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Open questions raised by papers listed on this page include: (1) Future research should investigate the effects of light on growth in other species (“Artificial light including blue-green wavelengths promotes growth of…”, 2026); (2) The optimal stocking density for the culture of Singhi catfish in RAS is not well established (“<p>Evaluation of Growth Performance and Feed Utilization Efficiency of…”, 2026); (3) The lack of sustainable aquafeeds is a major challenge for the aquaculture industry (“Effects of Tributyrin Supplementation in High-Soybean-Meal Diet on Growth…”, 2026); (4) There is a need to explore alternative lipid sources to replace fish oil in aquafeeds (“Effects of replacing low level fish oil with Nannochloropsis salina oil on…”, 2026); (5) There is a lack of understanding of the association between bone status and muscle traits in South China carp (“Coordinated Bone–Muscle Axis Association in South China Carp (Cyprinus carpio…”, 2026). 204 gap statements have been mined from Aquaculture Nutrition and Growth papers in our 4.5M-paper local library, which holds 1,556 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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