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Both viruses are carried by midges which can be blown in the wind, and the changing climate means Scotland is becoming more exposed to diseases previously reserved to warmer areas.

Hutchison added: "We are looking to shoot next year in the summer, although we will be plagued by actual midges which could be problematic."

It is spread by midges that are often blown over from mainland Europe during spells of warm weather.

The pair, who live in Dundee, battled driving rain, high winds and midges for a pint at the Old Forge in Inverie, on the western coast of Scotland.

Bluetongue is spread by the bites of midges and can cause infertility and breathing problems in sheep, cattle and goats, but does not affect people or food safety.