Can Taurine Be the Key to Solving the Low-Fishmeal Feed Challenge?

Shaoxing, China - August 20, 2026 - The aquafeed market has been highly volatile in recent months. With fishmeal prices remaining elevated and supplies increasingly tight, the cost pressures associated with high-fishmeal formulations continue to weigh on both feed manufacturers and aquaculture producers. To mitigate these pressures, the industry has increasingly turned to alternative protein sources-including plant, insect and microbial proteins-and adopted low-fishmeal formulations.

But cutting fishmeal can create a new set of challenges. Feed palatability may decline, reducing feed intake and compromising nutrient digestion and absorption. Aquatic animals may then experience slower growth, weaker antioxidant and immune defenses, reduced stress tolerance, and impaired liver health-all of which can ultimately translate into lower survival rates, slower growth and reduced production.

At the heart of these challenges is often a shortage of key functional nutrients. For low-fishmeal formulations, taurine is a critical nutrient that should not be overlooked.

Taurine is a functional amino acid that plays an important role in aquatic animal nutrition. Most fish and crustaceans have only a limited capacity to synthesize taurine and therefore rely heavily on dietary sources. Fishmeal is naturally rich in taurine, whereas plant proteins and many other alternative ingredients contain little to no taurine. Reducing fishmeal can therefore create a substantial taurine gap, potentially triggering metabolic imbalances, impaired growth and a cascade of related health challenges.

Strategic taurine supplementation can help close this nutritional gap across four key areas:

1.Supporting Feed Intake and Growth

Taurine can enhance olfactory and taste responses in fish, improving feed palatability and encouraging feed intake. It can also enhance the activity of digestive enzymes in the gut, helping address poor feed consumption and inefficient digestion while supporting better weight gain and growth performance.

2.Strengthening Antioxidant and Immune Defenses

Taurine helps counteract reactive oxygen species (ROS) and other harmful oxidative compounds in the body, mitigating oxidative stress and reducing inflammatory responses. By supporting immune function, taurine can help alleviate the suboptimal health status that may arise from low-fishmeal diets.

3.Improving Stress Tolerance and Supporting Survival Rates

Fluctuating water quality, changes in salinity, sudden temperature shifts, handling and transportation, and hypoxia are all common stressors that can reduce aquaculture output. Taurine plays a role in maintaining osmotic balance, helping aquatic animals adapt more effectively to environmental changes. It also helps maintain red blood cell integrity and improves tolerance to low-oxygen conditions, reducing the risk of disease during periods of stress and helping stabilize survival rates.

4.Supporting Lipid Metabolism and Liver Health

High levels of plant-protein replacement can disrupt lipid metabolism and promote fat accumulation in the liver, increasing the risk of fatty liver. Taurine helps regulate the expression of genes involved in lipid metabolism and suppresses excessive fat synthesis. It also conjugates with bile acids to form conjugated bile acids, supporting the emulsification, breakdown and absorption of dietary fats and easing the metabolic burden on the liver. The result can be healthier body condition and greater vitality in fish and shrimp.

Feeding trials have also demonstrated the practical benefits of taurine supplementation. In a 49-day rainbow trout trial conducted in a recirculating aquaculture system, with an initial body weight of 5.24 g, adding 0.5% taurine to the feed effectively alleviated the growth limitations associated with a low-fishmeal formulation. In other words, fishmeal could be reduced without compromising growth performance.

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High-Quality Taurine for Low-Fishmeal Feeds-Without Sacrificing Performance

In an era of elevated fishmeal prices, reducing costs should not come at the expense of productivity. Strategic taurine supplementation is one of the most effective ways to improve the nutritional quality, production stability and cost efficiency of low-fishmeal formulations.

NHU is committed to providing the aquaculture industry with high-quality, highly consistent feed-grade taurine. With reliable product quality and targeted supplementation solutions, NHU helps customers optimize low-fishmeal formulations while addressing practical challenges such as slow growth, poor animal condition, increased susceptibility to stress, and compromised liver and hepatobiliary health.

Driven by market needs and industry challenges, NHU continues to drive the deep integration of technological innovation, manufacturing capabilities and market expertise, delivering high-quality products and tailored solutions to help more customers unlock greater value in animal nutrition. By strengthening customers' competitiveness and supporting the sustainable development of aquaculture, NHU is helping turn gains in production quality and efficiency into a lasting contribution to food safety-so that every step of industry advancement can become another step toward safeguarding human health.

About NUH:

Since its establishment, NHU has always adhered to the concept of innovation-driven development and growing through market competition. The company focuses on the R&D, production, sales, and services of functional chemicals like nutrition products, flavors, and polymer materials. It provides comprehensive solutions for clients in over 100 countries and regions in areas such as nutrition and health, daily care, transportation, environmental protection, and energy. With high-quality, healthy, green, and low-carbon products, NHU continuously improves people's quality of life and creates sustainable value for stakeholders. Currently, the company has successfully ranked among China's Top 100 Fine Chemical Companies and Top 100 Listed Companies, and is moving toward its vision of becoming a leading global functional chemical enterprise.

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