Angus experts say folk shouldn’t be alarmed by the sight of dead or dying salmon on some of the area’s most popular North and South Esk walks. Esk District Salmon Fishery Board fear hundreds of adult fish will die around Edzell in the coming weeks. They are expected to fall victim to a naturally-occurring infection called Saprolegnia.

And the issue will affect other parts of the North and South Esks. It’s also a killer in other Scottish rivers.

Every year the local situation prompts worried calls to the board, Angus Council and Sepa.

But while research into the problem continues, people have been assured there isn’t a risk to human or pet health.

What causes the deaths?

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