Reducing the aquaculture industry's nitrogen emissions and climate footprint through an innovative feed concept (113654)

Project Details

Description

This goal of this project is to develop a nitrogen-optimised rainbow trout fish feed that minimizes nitrogen (N) emissions and reduces the environmental impact of the aquaculture industry without compromising fish growth, feed conversion or welfare.

Nitrogen emissions from aquaculture originate from the protein (principally amino acids) in the compound feed that the fish do not incorporate. Protein makes up about 45% of the feed, but due to the typical protein/amino acid composition of compound feed, the fish incorporate/retain less than half while the rest is metabolized and excreted as nitrogen to the water. There is therefore great potential in optimising the protein (amino acid) composition of the feed so that the fish incorporate a larger proportion of the protein nitrogen while excretion is reduced accordingly.

The project consists of four work packages (WP):
- WP1: Raw material characterisation, digestibility, rainbow trout demand model and experimental feed production
- WP2: Controlled mass-balance feeding trials
- WP3: Performance test of amino acid optimized diet on a Model Trout Farm
- WP4: Project administration.

Funding
The project is co-funded by the European Union through the Danish Maritime, Fisheries and Aquaculture Programme (EMFAF).

Research area: Aquaculture
AcronymKVÆLSTOP
StatusActive
Effective start/end date30/08/202312/12/2026

Collaborative partners

Fingerprint

Explore the research topics touched on by this project. These labels are generated based on the underlying awards/grants. Together they form a unique fingerprint.