- R&D
Advancing the future of aquafeed development
BioMar’s Tech Centre is a unique pilot-scale feed production facility that services our entire global R&D and production network, ensuring the…
The power of nutrition
Nutrition it’s a powerful tool that shapes fish health, resilience, and performance. From managing stress to improving feed efficiency, the right nutritional strategy can make all the difference in aquaculture outcomes.
How much do you really know about the role of nutrition under farming conditions?
Take our quick quiz to test your knowledge, learn something new, and discover how nutrition can unlock better results. Ready to put your knowledge to the test?
Fish Nutrition Quiz
Test your knowledge on fish health and nutrition
Nutrition doesn’t act in isolation - it supports critical biological systems that determine how fish respond to stress, resist disease, and convert feed into growth. From protective barriers to internal systems, every function is connected and every nutritional decision has an impact. Explore the topics below to see how targeted nutrition strengthens fish from the outside in.
Fish skin health is your first warning system but also the first barrier of defence
Skin lesions, scale loss, and parasite attachment are more than surface injuries, they are early indicators of compromised fish health. Effective prevention depends on strengthening barrier function, supporting immune response, and maintaining conditions that allow fish to resist external challenges.
The gut is the largest immune organ in fish.
It is responsible for nutrient absorption, feed efficiency, and plays a central role in regulating inflammation. At the same time, it is highly sensitive to stress and environmental challenges. When gut integrity declines, the consequences are immediate and measurable. Feed conversion worsens. Growth slows. Immune response weakens. Susceptibility to disease increases. Maintaining gut integrity is therefore not optional it is fundamental to performance, resilience, and profitability.
Gills are in constant contact with the surrounding water
They are continuously exposed to changes in oxygen levels, temperature shifts, water quality challenges, parasites, and other environmental stressors. This makes them highly sensitive and vulnerable to irritation or damage. When gill function is compromised, oxygen uptake becomes less efficient, stress levels increase, appetite can decline, growth slows, and the fish becomes more susceptible to disease. Supporting gill health is fundamental to maintaining resilience, efficient growth, and overall performance.
The heart is the engine that keeps everything moving in the fish’s body
A strong and efficient heart supports steady growth, good stamina, and the ability to cope with everyday challenges. However, stress, poor water quality, and disease can place extra strain on the cardiovascular system. When heart function is compromised, oxygen delivery decreases, energy levels drop, recovery from stress slows, and overall performance suffers. Supporting heart health is therefore essential for maintaining endurance, resilience, and consistent production results.
The immune system protects the fish
It works constantly to recognize threats and respond before infections can spread. A strong immune system helps fish stay healthy, recover faster from stress, and maintain steady growth. However, immunity requires energy and can be weakened by poor nutrition, environmental stress, handling, or changes in water conditions, and then fish become more vulnerable to disease, recovery takes longer, and overall performance declines. Supporting immune function is therefore essential to maintaining resilient, productive fish in challenging production environments.
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Results (31)
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Read more -
- R&D
- Novel Ingredients
Read moreNovel Ingredients are delivering more than sustainability
Research coming out of BioMar’s R&D department which was showcased at the Global Seafood Conference in Scotland yesterday, shows that many of the…
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- R&D
- Novel Ingredients
- Nutrition
Read moreThe Evolution of Nutrients in Aquafeeds
Aquatic animals are highly adaptable, requiring around 40 essential nutrients that can be sourced from various raw materials, including marine…
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- R&D
Read moreASC Feed Standard
The Aquaculture Stewardship Council (ASC) is a not-for-profit organization that operates a certification and labeling program based on scientifically…
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- Novel Ingredients
- R&D
Read moreThe Next Generation of Insect Meals
In partnership with Agronutris, we are developing the next generation of Black Soldier Fly (BSF) meals specifically designed for the aquaculture…
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- Climate Action
- Novel Ingredients
- R&D
Read moreSmart Upcycling: Reducing Nutrient Waste to Improve Our Carbon Footprint
In BioMar, we are innovating within circular marine supply chains to create a more sustainable future. By continuously reducing the use of wild-caught…
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- R&D
- Novel Ingredients
Read moreNavigating the complexity: Challenges and solutions in implementing sustainable raw materials in commercial aquafeeds
The global aquafeed industry has undergone a significant transformation over the past two decades, shifting from marine-based ingredients to…
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- R&D
- Nutrition
Read moreA novel krill meal ingredient enhances feed intake following high-temperature lice treatment stress in Atlantic salmon
Managing sea lice infestations in Atlantic salmon (Salmo salar L.) aquaculture often involves mechanical treatments that can cause acute stress,…
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- R&D
- Nutrition
Read moreDoes iron supplementation improve post-smolts Atlantic salmon performance and health in today’s practical diets?
Iron (Fe) is a crucial trace mineral involved in various biochemical processes in fish. For Atlantic salmon (Salmo salar L.), the dietary iron…
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- R&D
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Read moreEffect of different crude protein and lipid levels on growth and feed conversion in Yellowtail Kingfish
Yellowtail kingfish (Seriola lalandi) is a highly valued marine species known for its rapid growth and high market price. Predominantly farmed in sea…
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- R&D
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Read moreBacillus supplementation boost Whiteleg Shrimp performance and resistance to osmotic shock and Vibrio parahaemolyticus
The shrimp aquaculture industry faces significant challenges due to suboptimal culture conditions and susceptibility to opportunistic pathogens like…
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- R&D
- Nutrition
Read moreImproved heat stress tolerance for Largemouth Bass fed with natural antioxidant
Largemouth bass (Micropterus salmoides) are one of the most important freshwater aquaculture species in China, facing challenges like high water…
