Trout, Rainbow

Oncorhynchus mykiss

Method of production — Farmed
Production country — Europe
Production method — Open system (pond and raceway)


Picture of Trout, Rainbow

Sustainability rating one info

Sustainability overview

Organic Certification Standards for farmed trout set comprehensive production standards which includes third party auditing and site inspection. These standards led to better overall environmental performance including: reduced stocking densities; limited use of medicines and chemicals in production and feed must be produced from byproducts of human consumption fisheries and organic certified plant raw materials.

Feed Resources

Criterion score: 3


Environmental Impacts

Criterion score: 1


Fish Health and Welfare

Criterion score: 1



Criterion score: 4


Production method

Open system (pond and raceway)

Rainbow trout is the most widely farmed trout species in the UK, It is cultivated in freshwater tanks, ponds and raceways adjacent to a good water supply such as a river. Water is diverted into the farm at a constant flow and treated before being discharged.


A member of the salmonid family, rainbow trout are native to western North America and range from Alaska to Mexico. They can grow up to 120cm in length and live to an average age of 11 years. They prefer freshwater and requires fast flowing water to breed


Soil Association organic standards aquaculture.Revision 16.4 June 2011:

FAO Cultures Species Factsheet:

Scottish Government:

Council Directive 93/53/EC (OJ L 175 of 19/7/1993) measures for the control of certain fish diseases