Stronger fish health and resilience
Better stress tolerance and performance
Measurable impact on farming results
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.
Skin → Gut → Gills → Heart → Immune response
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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.
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.
Bacterial infections caused by Photobacterium damselae subsp. piscicida (PDP) continue to…
Efficient nutrient transfer from feed to fillet remains a key goal in sustainable aquaculture, particularly for micronutrients like vitamin D3 that…
Mechanical delousing and other handling procedures are known to trigger acute stress in Atlantic salmon (Salmo salar), leading to reduced appetite,…
Fish protein hydrolysates (FPH) are known to improve nutrient availability and immune function in early-stage fish. Their high content and mix of…
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