Reduce fish meal in diet

How is the evidence assessed?
  • Effectiveness
    not assessed
  • Certainty
    not assessed
  • Harms
    not assessed

Study locations

Key messages

  • Two replicated studies in Norway found similar final weights in salmon that were fed diets containing low, medium or high levels of fish meal.


About key messages

Key messages provide a descriptive index to studies we have found that test this intervention.

Studies are not directly comparable or of equal value. When making decisions based on this evidence, you should consider factors such as study size, study design, reported metrics and relevance of the study to your situation, rather than simply counting the number of studies that support a particular interpretation.

Supporting evidence from individual studies

  1. In 2007, a replicated study in Norway (Bendiksen et al., 2011) found similar final weights in salmon, Salmo salar, fed low, medium and high fish meal diets. Final weights of salmon in three groups fed diets containing 10%, 15% and 20% fish meal were 4.59kg, 4.63kg and 4.66kg, respectively. Fish were fed a diet containing 20% fish meal for six weeks before being fed one of the three experimental diets for 9 months. Weights were recorded.

    Study and other actions tested
  2. Between 2007 and 2008, a replicated study in Norway (Johnsen et al., 2011) found similar final weights in salmon, Salmo salar, fed low, medium and high fish meal diets. Weights across all groups increased 4-fold from an average of 1,216g to 4,625g over 275 feeding days. Three experimental feeds were fed to fish; high-fish meal diet (20% of total feed ingredients), medium-fish meal diet (15% of total feed ingredients) and low-fish meal diet (10% of total feed ingredients). Salmon were stocked in 60m circular sea cages and fed using automated feeders for a period of 275 days. Weights were recorded.

    Study and other actions tested
Please cite as:

Jones, A.C., Mead, A., Austen, M.C.V.  & Kaiser, M.J. (2013) Aquaculture: Evidence for the effects of interventions to enhance the sustainability of aquaculture using Atlantic salmon (Salmo salar) as a case study. Bangor University


Where has this evidence come from?

List of journals searched by synopsis

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Sustainable Aquaculture

This Action forms part of the Action Synopsis:

Sustainable Aquaculture
Sustainable Aquaculture

Sustainable Aquaculture - Published 2013

Atlantic salmon Aquaculture Synopsis

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