By Kenneth Marcos 
In fish farms across the country, every small improvement can mean better harvests and stronger income for families. For many Filipino fish growers, keeping stocks healthy is one of the biggest daily challenges.
Two Filipino researchers have taken a step forward in addressing this issue through science. Niko A. Macaraeg of the National Fisheries Research and Development Institute (NFRDI) and Dr. Casiano H. Choresca Jr. of the Department of Agriculture’s Fisheries Biotechnology Center recently published their study in the International Journal of Design & Nature and Ecodynamics.
The research, released in January 2026, focuses on developing Vitamin C-loaded microcapsules designed to improve the immune system of aquatic species. The study explores how these tiny capsules can be used in aquaculture feeds to help fish and other farmed species better resist diseases.
Aquaculture is a major source of food and livelihood in the Philippines. It contributes significantly to the country’s fish supply, especially as wild fish catches face pressure from overfishing and environmental changes. However, disease outbreaks remain a common problem in fish farms, often leading to losses for small-scale producers.
The researchers used natural materials such as chitosan and alginate to create the microcapsules. These materials help protect Vitamin C as it passes through water and digestion, ensuring that more nutrients reach the fish. Vitamin C is known to support immune function, growth, and overall health in aquatic species.
By improving how nutrients are delivered, the technology aims to make feeds more effective. This could reduce the need for frequent treatments and lower the risk of disease spread in fish farms. Healthier fish also mean better quality products for consumers and more stable income for farmers.
Experts note that innovations like this are important as the aquaculture sector continues to grow. According to global and local studies, improving feed efficiency and fish health can significantly boost production without increasing costs. This is especially important for small farmers who have limited resources.
The involvement of Filipino scientists in international research publications also highlights the country’s growing role in fisheries science. It shows that local expertise can contribute to global solutions while addressing domestic challenges in food production.
The Department of Agriculture continues to support research and development as part of its strategy to strengthen the fisheries sector. Programs focused on biotechnology, sustainable practices, and innovation aim to improve productivity while protecting the environment.
For fish farmers, the potential benefits of this research go beyond science. It offers practical solutions that can help them protect their livelihood and meet the rising demand for safe and affordable fish.
As the country works to ensure food security, investments in research remain a key pillar. Supporting local scientists and applying their findings in real-world settings can help build a more resilient and sustainable aquaculture industry.
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