Local raw materials for production of fish feed for aquaculture (38840)

  • Larsen, Bodil Katrine (Project Participant)

Project Details

Description

The aquaculture industry is the fastest growing food production industry in the world and approximately 50 % of all fish consumed by humans comes from aquaculture. The main cost factor in aquaculture is the cost of feed. Furthermore, high amounts of feed ingredients from marine sources have been of concern both environmentally and economically. Thus, it is of importance for the aquaculture industry to aim for the development of new locally-produced, cost-effective, beneficial and eco-friendly ingredients for innovative practical feed production. Food production, not least in the marine sector and aquaculture, is one of the main fundamental industries in the Nordic countries. Wild fisheries have stagnated or even declined and the aquaculture in other continents has been increasing substantially. It is therefore essential for these industries to implement innovative solutions to maintain the competitiveness of the region in this field. New opportunities for sustainable aquaculture production are emerging providing the tools.

The main objectives of the project were to test new local raw materials for aquaculture feed and to implement those into the production chain, with the purpose to:
- Move the Nordic aquaculture industry towards a more competitive and sustainable production with focus on efficient and responsible use of local feed sources.
- Lowering carbon footprint of aquaculture production
- Identify novel fish feed ingredients and optimizing use of marine raw materials
- Create added-value of feed sources like seaweed, microalgae and mussel meal.
- Decrease dependency of fish meal and fish oil as fish feed ingredients
- Establish a user driven diversified “green growth” aquaculture production of high quality fish products.

The specific role of DTU Aqua in the project was to evaluate mussel meal as a protein source in fish feed. For this purpose a series of digestibility and growth trials at different inclusion levels of mussel meal, with fishmeal based diets as reference, were successfully performed. DTU Aqua also examined potential environmental effects (nitrogen excretion) of replacing fishmeal with mussel meal. Furthermore, the trials provided tissue and blood-samples for closer examination of physiological effects of mussel meal on gut epithelia as well as effects on various hormones. The latter was performed by partners from University of Gothenburg.

The project was coordinated by Islensk Matorka ehf, Iceland and funded by Nordforsk, Nordic Council of Ministers.

Research area: Aquaculture
StatusFinished
Effective start/end date01/01/201131/08/2014