Science AI Journal
Agricultural and Biological Sciences · Research topic

Open research questions in Aquaculture Nutrition and Growth

95 unresolved questions extracted from the limitations and future-work sections of 636 Aquaculture Nutrition and Growth papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • The optimal stocking density and density stress mechanism of M. salmoides juveniles of different sizes are not well understood. There is a need for a scientific basis for the precision regulation of stocking density in intensive culture of M. salmoides.

    Optimal Stocking Densities and High-Density Stress Response Mechanisms in Two Size Classes of Juvenile Largemouth Bass (Micropterus salmoides) · 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

  • The sub-optimal concentration of potassium in coupled aquaponic systems. The need to improve the sustainability of aquaponics systems. The challenge of meeting the nutrient concentrations and ratios required by high-yield crops.

    Manipulation of Nile tilapia (Oreochromis niloticus) diets with potassium diformate enhances lettuce (Lactuca sativa L.) yield in aquaponics · 2026 · DOI

  • The narrow safety margin between the nutritional requirement and toxic level of selenium. The adverse effects of excessive selenium on health and metabolic homeostasis. The need to optimize the dietary selenium content in fish feed.

    Selenomethionine optimizes muscle growth and metabolic homeostasis via mTOR and Nrf2 signaling in juvenile Micropterus salmoides · 2026 · DOI

  • The lack of efficient nutritional strategies for aquaculture. The need for more sustainable and environmentally friendly aquaculture practices. The potential toxicity of metal oxide nanoparticles.

    Effects of iron oxide nanoparticles, vitamin C, and vitamin E on growth performance and hematological indices of Cyprinus carpio · 2026 · DOI

  • The distinctive fishy odor of fish limits its acceptance among certain groups of people. The limited processing methods of fish result in underutilization of its nutritional potential. Optimization of hydrolysis methods and fortification levels is necessary to maximize nutritional benefits.

    A Systematic Review of Fish Protein Hydrolysates in Functional Foods: Balancing Nutritional Fortification with Sensory Acceptance · 2026 · DOI

  • Ammonia pollution poses a major threat to aquatic ecosystem integrity. Maintaining optimal dissolved oxygen levels in aquaculture systems is a significant challenge. There is a need to develop strategies for reducing the environmental impacts of aquaculture.

    Dissolved oxygen levels differentially regulate ammonia metabolism plasticity in mandarin fish (Siniperca chuatsi) · 2026 · DOI

  • The lack of understanding of the effects of Schizochytrium limacinum oil on growth performance, reproductive development, and testicular histo-architecture of genetically selected growth-trait Clarias magur males. The need for sustainable alternatives to fish oil in aquaculture.

    Influence of dietary Schizochytrium limacinum oil on growth performance, reproductive development, and testicular histo-architecture of genetically selected growth trait (SGT) Clarias magur male · 2026 · DOI

  • Intensive rearing conditions can compromise immune function and overall fish health. Sustainable nutritional strategies are needed to improve animal welfare and disease resistance. The efficacy of nucleotides can vary according to the source.

    Effects of yeast-derived nucleotides and RNA on growth, nutrient digestibility, hematology and immune response to LPS challenge in Nile tilapia (Oreochromis niloticus) · 2026 · DOI

  • There is a lack of objective intravital diagnostic criteria for metabolic liver pathologies in carp broodstock. The study aims to address this gap by evaluating the morphometric parameters of peripheral blood erythrocytes.

    Morphometric characteristics of peripheral blood erythrocytes in common carp (Cyprinus carpio) broodstock with fatty liver dystrophy · 2026 · DOI

  • The need for natural feed additives in aquaculture. The challenge of improving mineral absorption and utilization in fish.

    Dietary Inclusion of Milkweed (Euphorbia heterophylla) Leaf Meal on the Carcass and Mineral Composition of Nile Tilapia (Oreochromis niloticus) Fingerlings · 2026 · DOI

  • The increasing cost of traditional highly nutritious components of compound feeds. The need to minimize the ecological burden on the environment.

    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 lack of proper treatment of fish waste causes environmental pollution. The need for alternative organic fertilizers to chemical fertilizers.

    A Study on the Preparation of Fish Amino Acid (Faa) From Fish Waste of (Channa Striata) (Preparation of Organic Fertilizer from Fish Waste) · 2026 · DOI

  • The need to examine the effects of adding Sargassum sp. extract to food on the growth and survival of koi carp.

    Dose-Dependent Effects of Dietary Sargassum Extract on Growth and Feed Utilization of Juvenile Koi Carp · 2026 · DOI

  • Live and decapsulated Artemia are widely used as Artemia forms in Litopenaeus vannamei hatcheries, yet their comparative effects on postlarval (PL) physiology remain incompletely characterized.

    Live versus decapsulated Artemia feeding regimes shape growth, gut microbiota, and hepatopancreatic health in Litopenaeus vannamei postlarvae · 2026 · DOI

  • The Mediterranean mussel ( Mytilus galloprovincialis ) is among the most farmed and consumed bivalves in Europe, yet the role of sex in its nutritional profile at marketed-product level is poorly documented.

    Sex-related differences in the lipid and micronutrient profile, but not the proximate composition, of the Mediterranean mussel Mytilus galloprovincialis: a pilot study with implications for sex-targeted aquaculture · 2026 · DOI

  • These data suggest that sex-targeted aquaculture could be explored as a route to differentiated, n-3 LC-PUFA and vitamin B 12 -enriched mussel products, providing a quantitative basis for properly replicated, season-resolved follow-up studies, and for breeding programs aimed at strengthening the nutritional and socio-economic value of mussel farming.

    Sex-related differences in the lipid and micronutrient profile, but not the proximate composition, of the Mediterranean mussel Mytilus galloprovincialis: a pilot study with implications for sex-targeted aquaculture · 2026 · DOI

  • The molecular mechanisms underlying the improvements in muscle crispness and firmness are not yet fully understood. Species-specific responses to dietary faba bean inclusion are highly variable.

    Faba bean (Vicia faba L.) in aquafeeds: impacts on fish muscle quality, molecular mechanisms, and crispness attributes. · 2026 · DOI

  • 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 identifies a gap in our understanding of the effects of light on growth in cobia. 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 <em>Heteropneustes fossilis</em> Recorded Under Different Stocking Density Regimes in a Recirculatory Aquaculture System (RAS)</p> · 2026 · DOI

  • Escalating costs and environmental concerns associated with traditional fishmeal production. The need for sustainable aquaculture practices. The lack of research on alternative protein sources for ornamental fish species.

    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

  • Investigating the long-term effects of GCKP on goldfish growth and health. Examining the effects of GCKP on other life stages of goldfish. Exploring the use of GCKP in feed formulations for other ornamental fish species.

    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 our understanding of the role of bile salt-activated lipase in lipid digestion and metabolism in fish. 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

  • The increasing demand for fish oil poses a bottleneck to sustainable aquaculture development. 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

Most-cited papers in Aquaculture Nutrition and Growth

Most recent work

Find a gap in your own Aquaculture Nutrition and Growth sub-topic

This page shows what the Aquaculture Nutrition and Growth literature already flags as unresolved. To narrow it to your specific question, run the guided finder — it searches the gap library on demand and checks candidates against 250M+ OpenAlex works.

Open the Research Gap Finder →

Related topics in Agricultural and Biological Sciences

Agricultural Development and Management
515 open questions
Smart Agriculture and AI
433 open questions
Agricultural Innovations and Practices
303 open questions
Plant-Microbe Interactions and Immunity
201 open questions
Soil Carbon and Nitrogen Dynamics
198 open questions
Plant Molecular Biology Research
187 open questions
Climate change impacts on agriculture
174 open questions
Animal Nutrition and Physiology
173 open questions
95 open questions have been extracted from the limitations and future-work passages of 636 Aquaculture Nutrition and Growth papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

Tools for your next paper

Gaps & Literature SearchFind open questions in any field — 120,000+ open gaps mined from our own library.Pre-CheckIs your paper ready? A Tier 1–5 acceptance probability in seconds.Journal FinderA ranked shortlist of target journals from a 17,500-venue index.Duplicate Publication CheckerCheck prior-publication & salami-slicing risk across 8 sources.Citation GeneratorFreeA DOI or title → APA, MLA, Vancouver, Chicago, BibTeX, RIS. No signup.Graphical Abstract MakerFreeTurn your findings into a colorblind-safe graphical abstract.

Compare the category — Honest roundups of the AI research tools, ours listed alongside the alternatives.

Command palette

Jump anywhere, run any action.