This may be of interest to folks.
Multiple stakeholders have, as a result, criticized the aquaculture industry, resulting in consequent regulations in some countries. AM use in aquaculture differs from that in livestock farming due to aquaculture’s greater diversity of species and farming systems, alternative means of AM application, and less consolidated farming practices in many regions. This, together with less research on AM use in aquaculture in general, suggests that large data gaps persist with regards to its overall use, breakdowns by species and system, and how AMs become distributed in, and impact on, the overall social-ecological systems in which they are embedded.
Have you seen this study about the impact of fish farm nets made from alternative materials?
Results included reductions in feed inputs, on-site energy use, application of antibiotics, and labor hours.
https://www.fishfarmingexpert.com/news/copper-nets-deemed-more-eco-friendly/
Will take a look