Roel Maas

Roel Maas is an Assistant Professor in Aquaculture and Fisheries at Wageningen University. His research focuses on optimizing feed formulation, nutrient digestibility, and waste management in aquaculture systems, particularly for species like yellowtail kingfish (Seriola lalandi), rainbow trout (Oncorhynchus mykiss), and Nile tilapia (Oreochromis niloticus). He investigates the effects of dietary components such as starch, non-starch polysaccharides, enzymes, and bile acids on fish health and environmental sustainability.

Key research areas include the interplay between dietary ingredients and nutrient utilization, mechanisms behind faecal waste production, and the application of exogenous enzymes to enhance feed efficiency. Collaborations span international institutions, with projects funded by initiatives like Skretting and the Dutch Science Foundation.

• PhD supervision includes topics like dietary phosphorus in yellowtail kingfish, net energy systems for carnivorous fish, and faecal management in recirculating aquaculture systems.
• Publications emphasize practical solutions for aquaculture challenges, including waste reduction and feed optimization.

His work bridges fundamental nutrition science with applied aquaculture practices, aiming to improve both fish productivity and ecological sustainability.