Here we go again.  Yet another big fish farm project seemingly to receive the go ahead despite the huge amount of information there is regarding the damage they do to the environment and salmon populations

https://www.shetnews.co.uk/2021/12/08/competition-regulator-paves-way-for-salmon-farm-deal-to-go-ahead/ns.

Another huge one also proposed in an Irish river estuary which will almost certainly affect several rivers.  And so it goes on and on.

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Seems that cases of bird flu are on the rise with cases reported in Powys/  Perhaps this might thin bird populations out for a while but no doubt there are Insurances or subsidies that will bale the farmers out in the short/medium  term.