Rainbow Trout — Seafish
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  1. Introduction
  2. Sources, Quantities and Cultivation Methods
  3. Governance and Outlook
  4. Farm Siting
  5. Nutrient Pollution
  6. Feed
  7. Disease, Medicines and Chemicals
  8. Escapes and Introductions
  9. Certification
Profile last updated: 09 September 2020

Rainbow Trout

Oncorhynchus mykiss

Rainbow trout was one of the first species whose life cycle was fully replicated to enable it to be farmed.

It is reared in a variety of systems, in both freshwater and seawater, in many areas around the world making it one of the most popular species in aquaculture.

Globally some 848,051 tonnes of rainbow trout were produced in 2018. Of this, 77% was reared in freshwater and with Iran and Turkey accounting for 42%, predominantly using systems such as flow-through ponds. Most (77%) of the 189,497 tonnes of sea-grown trout came from net-pens in Chile and Norway.

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